@@ -1,3 +0,0 @@ | |||
cmake_minimum_required(VERSION 3.6) | |||
project(SwiftPR) | |||
add_subdirectory(lpr) |
@@ -3,7 +3,8 @@ project(SwiftPR) | |||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") | |||
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) | |||
find_package(OpenCV 3.3.0 REQUIRED) | |||
find_package(OpenCV REQUIRED) | |||
include_directories( ${OpenCV_INCLUDE_DIRS}) | |||
include_directories(include) | |||
@@ -21,37 +22,34 @@ set(SRC_PIPLINE src/Pipeline.cpp) | |||
set(SRC_SEGMENTATIONFREE src/SegmentationFreeRecognizer.cpp ) | |||
#set(SOURCE_FILES main.cpp) | |||
#add_executable(HyperLPR_cpp ${SOURCE_FILES}) | |||
#TEST_DETECTION | |||
add_executable(TEST_Detection ${SRC_DETECTION} tests/test_detection.cpp) | |||
add_executable(TEST_Detection ${SRC_DETECTION} demos/test_detection.cpp) | |||
target_link_libraries(TEST_Detection ${OpenCV_LIBS}) | |||
#TEST_FINEMAPPING | |||
add_executable(TEST_FINEMAPPING ${SRC_FINEMAPPING} tests/test_finemapping.cpp) | |||
add_executable(TEST_FINEMAPPING ${SRC_FINEMAPPING} demos/test_finemapping.cpp) | |||
target_link_libraries(TEST_FINEMAPPING ${OpenCV_LIBS}) | |||
#TEST_DESKEW | |||
add_executable(TEST_FASTDESKEW ${SRC_FASTDESKEW} tests/test_fastdeskew.cpp) | |||
add_executable(TEST_FASTDESKEW ${SRC_FASTDESKEW} demos/test_fastdeskew.cpp) | |||
target_link_libraries(TEST_FASTDESKEW ${OpenCV_LIBS}) | |||
#TEST_SEGMENTATION | |||
add_executable(TEST_SEGMENTATION ${SRC_SEGMENTATION} ${SRC_RECOGNIZE} tests/test_segmentation.cpp) | |||
add_executable(TEST_SEGMENTATION ${SRC_SEGMENTATION} ${SRC_RECOGNIZE} demos/test_segmentation.cpp) | |||
target_link_libraries(TEST_SEGMENTATION ${OpenCV_LIBS}) | |||
#TEST_RECOGNIZATION | |||
add_executable(TEST_RECOGNIZATION ${SRC_RECOGNIZE} tests/test_recognization.cpp) | |||
add_executable(TEST_RECOGNIZATION ${SRC_RECOGNIZE} demos/test_recognization.cpp) | |||
target_link_libraries(TEST_RECOGNIZATION ${OpenCV_LIBS}) | |||
#TEST_SEGMENTATIONFREE | |||
add_executable(TEST_SEGMENTATIONFREE ${SRC_SEGMENTATIONFREE} tests/test_segmentationFree.cpp) | |||
add_executable(TEST_SEGMENTATIONFREE ${SRC_SEGMENTATIONFREE} demos/test_segmentationFree.cpp) | |||
target_link_libraries(TEST_SEGMENTATIONFREE ${OpenCV_LIBS}) | |||
#TEST_PIPELINE | |||
add_executable(TEST_PIPLINE ${SRC_DETECTION} ${SRC_FINEMAPPING} ${SRC_FASTDESKEW} ${SRC_SEGMENTATION} ${SRC_RECOGNIZE} ${SRC_PIPLINE} ${SRC_SEGMENTATIONFREE} tests/test_pipeline.cpp) | |||
add_executable(TEST_PIPLINE ${SRC_DETECTION} ${SRC_FINEMAPPING} ${SRC_FASTDESKEW} ${SRC_SEGMENTATION} ${SRC_RECOGNIZE} ${SRC_PIPLINE} ${SRC_SEGMENTATIONFREE} demos/test_pipeline.cpp) | |||
target_link_libraries(TEST_PIPLINE ${OpenCV_LIBS}) |
@@ -0,0 +1,21 @@ | |||
// | |||
// Created by Jack Yu on 21/10/2017. | |||
// | |||
#include "../include/CNNRecognizer.h" | |||
namespace pr { | |||
CNNRecognizer::CNNRecognizer(std::string prototxt, std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
label CNNRecognizer::recognizeCharacter(cv::Mat charImage) { | |||
if (charImage.channels() == 3) | |||
cv::cvtColor(charImage, charImage, cv::COLOR_BGR2GRAY); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage( | |||
charImage, 1 / 255.0, cv::Size(CHAR_INPUT_W, CHAR_INPUT_H), | |||
cv::Scalar(0, 0, 0), false); | |||
net.setInput(inputBlob, "data"); | |||
return net.forward(); | |||
} | |||
} // namespace pr |
@@ -0,0 +1,104 @@ | |||
// | |||
// Created by Jack Yu on 02/10/2017. | |||
// | |||
#include <../include/FastDeskew.h> | |||
namespace pr { | |||
const int ANGLE_MIN = 30; | |||
const int ANGLE_MAX = 150; | |||
const int PLATE_H = 36; | |||
const int PLATE_W = 136; | |||
int angle(float x, float y) { return atan2(x, y) * 180 / 3.1415; } | |||
std::vector<float> avgfilter(std::vector<float> angle_list, int windowsSize) { | |||
std::vector<float> angle_list_filtered(angle_list.size() - windowsSize + 1); | |||
for (int i = 0; i < angle_list.size() - windowsSize + 1; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
avg += angle_list[i + j]; | |||
} | |||
avg = avg / windowsSize; | |||
angle_list_filtered[i] = avg; | |||
} | |||
return angle_list_filtered; | |||
} | |||
void drawHist(std::vector<float> seq) { | |||
cv::Mat image(300, seq.size(), CV_8U); | |||
image.setTo(0); | |||
for (int i = 0; i < seq.size(); i++) { | |||
float l = *std::max_element(seq.begin(), seq.end()); | |||
int p = int(float(seq[i]) / l * 300); | |||
cv::line(image, cv::Point(i, 300), cv::Point(i, 300 - p), | |||
cv::Scalar(255, 255, 255)); | |||
} | |||
cv::imshow("vis", image); | |||
} | |||
cv::Mat correctPlateImage(cv::Mat skewPlate, float angle, float maxAngle) { | |||
cv::Mat dst; | |||
cv::Size size_o(skewPlate.cols, skewPlate.rows); | |||
int extend_padding = 0; | |||
extend_padding = | |||
static_cast<int>(skewPlate.rows * tan(cv::abs(angle) / 180 * 3.14)); | |||
cv::Size size(skewPlate.cols + extend_padding, skewPlate.rows); | |||
float interval = abs(sin((angle / 180) * 3.14) * skewPlate.rows); | |||
cv::Point2f pts1[4] = {cv::Point2f(0, 0), cv::Point2f(0, size_o.height), | |||
cv::Point2f(size_o.width, 0), | |||
cv::Point2f(size_o.width, size_o.height)}; | |||
if (angle > 0) { | |||
cv::Point2f pts2[4] = {cv::Point2f(interval, 0), | |||
cv::Point2f(0, size_o.height), | |||
cv::Point2f(size_o.width, 0), | |||
cv::Point2f(size_o.width - interval, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1, pts2); | |||
cv::warpPerspective(skewPlate, dst, M, size); | |||
} else { | |||
cv::Point2f pts2[4] = {cv::Point2f(0, 0), | |||
cv::Point2f(interval, size_o.height), | |||
cv::Point2f(size_o.width - interval, 0), | |||
cv::Point2f(size_o.width, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1, pts2); | |||
cv::warpPerspective(skewPlate, dst, M, size, cv::INTER_CUBIC); | |||
} | |||
return dst; | |||
} | |||
cv::Mat fastdeskew(cv::Mat skewImage, int blockSize) { | |||
const int FILTER_WINDOWS_SIZE = 5; | |||
std::vector<float> angle_list(180); | |||
memset(angle_list.data(), 0, angle_list.size() * sizeof(int)); | |||
cv::Mat bak; | |||
skewImage.copyTo(bak); | |||
if (skewImage.channels() == 3) | |||
cv::cvtColor(skewImage, skewImage, cv::COLOR_RGB2GRAY); | |||
if (skewImage.channels() == 1) { | |||
cv::Mat eigen; | |||
cv::cornerEigenValsAndVecs(skewImage, eigen, blockSize, 5); | |||
for (int j = 0; j < skewImage.rows; j += blockSize) { | |||
for (int i = 0; i < skewImage.cols; i += blockSize) { | |||
float x2 = eigen.at<cv::Vec6f>(j, i)[4]; | |||
float y2 = eigen.at<cv::Vec6f>(j, i)[5]; | |||
int angle_cell = angle(x2, y2); | |||
angle_list[(angle_cell + 180) % 180] += 1.0; | |||
} | |||
} | |||
} | |||
std::vector<float> filtered = avgfilter(angle_list, 5); | |||
int maxPos = std::max_element(filtered.begin(), filtered.end()) - | |||
filtered.begin() + FILTER_WINDOWS_SIZE / 2; | |||
if (maxPos > ANGLE_MAX) | |||
maxPos = (-maxPos + 90 + 180) % 180; | |||
if (maxPos < ANGLE_MIN) | |||
maxPos -= 90; | |||
maxPos = 90 - maxPos; | |||
cv::Mat deskewed = correctPlateImage(bak, static_cast<float>(maxPos), 60.0f); | |||
return deskewed; | |||
} | |||
} // namespace pr |
@@ -0,0 +1,165 @@ | |||
#include "FineMapping.h" | |||
namespace pr { | |||
const int FINEMAPPING_H = 60; | |||
const int FINEMAPPING_W = 140; | |||
const int PADDING_UP_DOWN = 30; | |||
void drawRect(cv::Mat image, cv::Rect rect) { | |||
cv::Point p1(rect.x, rect.y); | |||
cv::Point p2(rect.x + rect.width, rect.y + rect.height); | |||
cv::rectangle(image, p1, p2, cv::Scalar(0, 255, 0), 1); | |||
} | |||
FineMapping::FineMapping(std::string prototxt, std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat FineMapping::FineMappingHorizon(cv::Mat FinedVertical, int leftPadding, | |||
int rightPadding) { | |||
cv::Mat inputBlob = cv::dnn::blobFromImage( | |||
FinedVertical, 1 / 255.0, cv::Size(66, 16), cv::Scalar(0, 0, 0), false); | |||
net.setInput(inputBlob, "data"); | |||
cv::Mat prob = net.forward(); | |||
int front = static_cast<int>(prob.at<float>(0, 0) * FinedVertical.cols); | |||
int back = static_cast<int>(prob.at<float>(0, 1) * FinedVertical.cols); | |||
front -= leftPadding; | |||
if (front < 0) | |||
front = 0; | |||
back += rightPadding; | |||
if (back > FinedVertical.cols - 1) | |||
back = FinedVertical.cols - 1; | |||
cv::Mat cropped = FinedVertical.colRange(front, back).clone(); | |||
return cropped; | |||
} | |||
std::pair<int, int> FitLineRansac(std::vector<cv::Point> pts, int zeroadd = 0) { | |||
std::pair<int, int> res; | |||
if (pts.size() > 2) { | |||
cv::Vec4f line; | |||
cv::fitLine(pts, line, cv::DIST_HUBER, 0, 0.01, 0.01); | |||
float vx = line[0]; | |||
float vy = line[1]; | |||
float x = line[2]; | |||
float y = line[3]; | |||
int lefty = static_cast<int>((-x * vy / vx) + y); | |||
int righty = static_cast<int>(((136 - x) * vy / vx) + y); | |||
res.first = lefty + PADDING_UP_DOWN + zeroadd; | |||
res.second = righty + PADDING_UP_DOWN + zeroadd; | |||
return res; | |||
} | |||
res.first = zeroadd; | |||
res.second = zeroadd; | |||
return res; | |||
} | |||
cv::Mat FineMapping::FineMappingVertical(cv::Mat InputProposal, int sliceNum, | |||
int upper, int lower, | |||
int windows_size) { | |||
cv::Mat PreInputProposal; | |||
cv::Mat proposal; | |||
cv::resize(InputProposal, PreInputProposal, | |||
cv::Size(FINEMAPPING_W, FINEMAPPING_H)); | |||
if (InputProposal.channels() == 3) | |||
cv::cvtColor(PreInputProposal, proposal, cv::COLOR_BGR2GRAY); | |||
else | |||
PreInputProposal.copyTo(proposal); | |||
// this will improve some sen | |||
cv::Mat kernal = cv::getStructuringElement(cv::MORPH_ELLIPSE, cv::Size(1, 3)); | |||
float diff = static_cast<float>(upper - lower); | |||
diff /= static_cast<float>(sliceNum - 1); | |||
cv::Mat binary_adaptive; | |||
std::vector<cv::Point> line_upper; | |||
std::vector<cv::Point> line_lower; | |||
int contours_nums = 0; | |||
for (int i = 0; i < sliceNum; i++) { | |||
std::vector<std::vector<cv::Point>> contours; | |||
float k = lower + i * diff; | |||
cv::adaptiveThreshold(proposal, binary_adaptive, 255, | |||
cv::ADAPTIVE_THRESH_MEAN_C, cv::THRESH_BINARY, | |||
windows_size, k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive, contours, cv::RETR_EXTERNAL, | |||
cv::CHAIN_APPROX_SIMPLE); | |||
for (auto contour : contours) { | |||
cv::Rect bdbox = cv::boundingRect(contour); | |||
float lwRatio = bdbox.height / static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width * bdbox.height; | |||
if ((lwRatio > 0.7 && bdbox.width * bdbox.height > 100 && | |||
bdboxAera < 300) || | |||
(lwRatio > 3.0 && bdboxAera < 100 && bdboxAera > 10)) { | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums += 1; | |||
} | |||
} | |||
} | |||
if (contours_nums < 41) { | |||
cv::bitwise_not(InputProposal, InputProposal); | |||
cv::Mat kernal = | |||
cv::getStructuringElement(cv::MORPH_ELLIPSE, cv::Size(1, 5)); | |||
cv::Mat bak; | |||
cv::resize(InputProposal, bak, cv::Size(FINEMAPPING_W, FINEMAPPING_H)); | |||
cv::erode(bak, bak, kernal); | |||
if (InputProposal.channels() == 3) | |||
cv::cvtColor(bak, proposal, cv::COLOR_BGR2GRAY); | |||
else | |||
proposal = bak; | |||
int contours_nums = 0; | |||
for (int i = 0; i < sliceNum; i++) { | |||
std::vector<std::vector<cv::Point>> contours; | |||
float k = lower + i * diff; | |||
cv::adaptiveThreshold(proposal, binary_adaptive, 255, | |||
cv::ADAPTIVE_THRESH_MEAN_C, cv::THRESH_BINARY, | |||
windows_size, k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive, contours, cv::RETR_EXTERNAL, | |||
cv::CHAIN_APPROX_SIMPLE); | |||
for (auto contour : contours) { | |||
cv::Rect bdbox = cv::boundingRect(contour); | |||
float lwRatio = bdbox.height / static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width * bdbox.height; | |||
if ((lwRatio > 0.7 && bdbox.width * bdbox.height > 120 && | |||
bdboxAera < 300) || | |||
(lwRatio > 3.0 && bdboxAera < 100 && bdboxAera > 10)) { | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums += 1; | |||
} | |||
} | |||
} | |||
} | |||
cv::Mat rgb; | |||
cv::copyMakeBorder(PreInputProposal, rgb, PADDING_UP_DOWN, PADDING_UP_DOWN, 0, | |||
0, cv::BORDER_REPLICATE); | |||
std::pair<int, int> A; | |||
std::pair<int, int> B; | |||
A = FitLineRansac(line_upper, -1); | |||
B = FitLineRansac(line_lower, 1); | |||
int leftyB = A.first; | |||
int rightyB = A.second; | |||
int leftyA = B.first; | |||
int rightyA = B.second; | |||
int cols = rgb.cols; | |||
int rows = rgb.rows; | |||
std::vector<cv::Point2f> corners(4); | |||
corners[0] = cv::Point2f(cols - 1, rightyA); | |||
corners[1] = cv::Point2f(0, leftyA); | |||
corners[2] = cv::Point2f(cols - 1, rightyB); | |||
corners[3] = cv::Point2f(0, leftyB); | |||
std::vector<cv::Point2f> corners_trans(4); | |||
corners_trans[0] = cv::Point2f(136, 36); | |||
corners_trans[1] = cv::Point2f(0, 36); | |||
corners_trans[2] = cv::Point2f(136, 0); | |||
corners_trans[3] = cv::Point2f(0, 0); | |||
cv::Mat transform = cv::getPerspectiveTransform(corners, corners_trans); | |||
cv::Mat quad = cv::Mat::zeros(36, 136, CV_8UC3); | |||
cv::warpPerspective(rgb, quad, transform, quad.size()); | |||
return quad; | |||
} | |||
} // namespace pr |
@@ -0,0 +1,82 @@ | |||
// | |||
// Created by Jack Yu on 23/10/2017. | |||
// | |||
#include "../include/Pipeline.h" | |||
namespace pr { | |||
const int HorizontalPadding = 4; | |||
PipelinePR::PipelinePR(std::string detector_filename, | |||
std::string finemapping_prototxt, | |||
std::string finemapping_caffemodel, | |||
std::string segmentation_prototxt, | |||
std::string segmentation_caffemodel, | |||
std::string charRecognization_proto, | |||
std::string charRecognization_caffemodel, | |||
std::string segmentationfree_proto, | |||
std::string segmentationfree_caffemodel) { | |||
plateDetection = new PlateDetection(detector_filename); | |||
fineMapping = new FineMapping(finemapping_prototxt, finemapping_caffemodel); | |||
plateSegmentation = | |||
new PlateSegmentation(segmentation_prototxt, segmentation_caffemodel); | |||
generalRecognizer = | |||
new CNNRecognizer(charRecognization_proto, charRecognization_caffemodel); | |||
segmentationFreeRecognizer = new SegmentationFreeRecognizer( | |||
segmentationfree_proto, segmentationfree_caffemodel); | |||
} | |||
PipelinePR::~PipelinePR() { | |||
delete plateDetection; | |||
delete fineMapping; | |||
delete plateSegmentation; | |||
delete generalRecognizer; | |||
delete segmentationFreeRecognizer; | |||
} | |||
std::vector<PlateInfo> PipelinePR::RunPiplineAsImage(cv::Mat plateImage, | |||
int method) { | |||
std::vector<PlateInfo> results; | |||
std::vector<pr::PlateInfo> plates; | |||
plateDetection->plateDetectionRough(plateImage, plates, 36, 700); | |||
for (pr::PlateInfo plateinfo : plates) { | |||
cv::Mat image_finemapping = plateinfo.getPlateImage(); | |||
image_finemapping = fineMapping->FineMappingVertical(image_finemapping); | |||
image_finemapping = pr::fastdeskew(image_finemapping, 5); | |||
// Segmentation-based | |||
if (method == SEGMENTATION_BASED_METHOD) { | |||
image_finemapping = fineMapping->FineMappingHorizon(image_finemapping, 2, | |||
HorizontalPadding); | |||
cv::resize(image_finemapping, image_finemapping, | |||
cv::Size(136 + HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::vector<cv::Rect> rects; | |||
plateSegmentation->segmentPlatePipline(plateinfo, 1, rects); | |||
plateSegmentation->ExtractRegions(plateinfo, rects); | |||
cv::copyMakeBorder(image_finemapping, image_finemapping, 0, 0, 0, 20, | |||
cv::BORDER_REPLICATE); | |||
plateinfo.setPlateImage(image_finemapping); | |||
generalRecognizer->SegmentBasedSequenceRecognition(plateinfo); | |||
plateinfo.decodePlateNormal(pr::CH_PLATE_CODE); | |||
} | |||
// Segmentation-free | |||
else if (method == SEGMENTATION_FREE_METHOD) { | |||
image_finemapping = fineMapping->FineMappingHorizon( | |||
image_finemapping, 4, HorizontalPadding + 3); | |||
cv::resize(image_finemapping, image_finemapping, | |||
cv::Size(136 + HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::pair<std::string, float> res = | |||
segmentationFreeRecognizer->SegmentationFreeForSinglePlate( | |||
plateinfo.getPlateImage(), pr::CH_PLATE_CODE); | |||
plateinfo.confidence = res.second; | |||
plateinfo.setPlateName(res.first); | |||
} | |||
results.push_back(plateinfo); | |||
} | |||
return results; | |||
} | |||
} // namespace pr |
@@ -0,0 +1,31 @@ | |||
#include "../include/PlateDetection.h" | |||
#include "util.h" | |||
namespace pr { | |||
PlateDetection::PlateDetection(std::string filename_cascade) { | |||
cascade.load(filename_cascade); | |||
}; | |||
void PlateDetection::plateDetectionRough(cv::Mat InputImage, | |||
std::vector<pr::PlateInfo> &plateInfos, | |||
int min_w, int max_w) { | |||
cv::Mat processImage; | |||
cv::cvtColor(InputImage, processImage, cv::COLOR_BGR2GRAY); | |||
std::vector<cv::Rect> platesRegions; | |||
cv::Size minSize(min_w, min_w / 4); | |||
cv::Size maxSize(max_w, max_w / 4); | |||
cascade.detectMultiScale(processImage, platesRegions, 1.1, 3, | |||
cv::CASCADE_SCALE_IMAGE, minSize, maxSize); | |||
for (auto plate : platesRegions) { | |||
int zeroadd_w = static_cast<int>(plate.width * 0.30); | |||
int zeroadd_h = static_cast<int>(plate.height * 2); | |||
int zeroadd_x = static_cast<int>(plate.width * 0.15); | |||
int zeroadd_y = static_cast<int>(plate.height * 1); | |||
plate.x -= zeroadd_x; | |||
plate.y -= zeroadd_y; | |||
plate.height += zeroadd_h; | |||
plate.width += zeroadd_w; | |||
cv::Mat plateImage = util::cropFromImage(InputImage, plate); | |||
PlateInfo plateInfo(plateImage, plate); | |||
plateInfos.push_back(plateInfo); | |||
} | |||
} | |||
} // namespace pr |
@@ -0,0 +1,305 @@ | |||
// | |||
// Created by Jack Yu on 16/10/2017. | |||
// | |||
#include "../include/PlateSegmentation.h" | |||
#include "../include/niBlackThreshold.h" | |||
namespace pr { | |||
PlateSegmentation::PlateSegmentation(std::string prototxt, | |||
std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat PlateSegmentation::classifyResponse(const cv::Mat &cropped) { | |||
cv::Mat inputBlob = cv::dnn::blobFromImage( | |||
cropped, 1 / 255.0, cv::Size(22, 22), cv::Scalar(0, 0, 0), false); | |||
net.setInput(inputBlob, "data"); | |||
return net.forward(); | |||
} | |||
void drawHist(float *seq, int size, const char *name) { | |||
cv::Mat image(300, size, CV_8U); | |||
image.setTo(0); | |||
float *start = seq; | |||
float *end = seq + size; | |||
float l = *std::max_element(start, end); | |||
for (int i = 0; i < size; i++) { | |||
int p = int(float(seq[i]) / l * 300); | |||
cv::line(image, cv::Point(i, 300), cv::Point(i, 300 - p), | |||
cv::Scalar(255, 255, 255)); | |||
} | |||
cv::resize(image, image, cv::Size(600, 100)); | |||
cv::imshow(name, image); | |||
} | |||
inline void computeSafeMargin(int &val, const int &rows) { | |||
val = std::min(val, rows); | |||
val = std::max(val, 0); | |||
} | |||
cv::Rect boxFromCenter(const cv::Point center, int left, int right, int top, | |||
int bottom, cv::Size bdSize) { | |||
cv::Point p1(center.x - left, center.y - top); | |||
cv::Point p2(center.x + right, center.y + bottom); | |||
p1.x = std::max(0, p1.x); | |||
p1.y = std::max(0, p1.y); | |||
p2.x = std::min(p2.x, bdSize.width - 1); | |||
p2.y = std::min(p2.y, bdSize.height - 1); | |||
cv::Rect rect(p1, p2); | |||
return rect; | |||
} | |||
cv::Rect boxPadding(cv::Rect rect, int left, int right, int top, int bottom, | |||
cv::Size bdSize) { | |||
cv::Point center(rect.x + (rect.width >> 1), rect.y + (rect.height >> 1)); | |||
int rebuildLeft = (rect.width >> 1) + left; | |||
int rebuildRight = (rect.width >> 1) + right; | |||
int rebuildTop = (rect.height >> 1) + top; | |||
int rebuildBottom = (rect.height >> 1) + bottom; | |||
return boxFromCenter(center, rebuildLeft, rebuildRight, rebuildTop, | |||
rebuildBottom, bdSize); | |||
} | |||
void PlateSegmentation::refineRegion(cv::Mat &plateImage, | |||
const std::vector<int> &candidatePts, | |||
const int padding, | |||
std::vector<cv::Rect> &rects) { | |||
int w = candidatePts[5] - candidatePts[4]; | |||
int cols = plateImage.cols; | |||
int rows = plateImage.rows; | |||
for (int i = 0; i < candidatePts.size(); i++) { | |||
int left = 0; | |||
int right = 0; | |||
if (i == 0) { | |||
left = candidatePts[i]; | |||
right = left + w + padding; | |||
} else { | |||
left = candidatePts[i] - padding; | |||
right = left + w + padding * 2; | |||
} | |||
computeSafeMargin(right, cols); | |||
computeSafeMargin(left, cols); | |||
cv::Rect roi(left, 0, right - left, rows - 1); | |||
cv::Mat roiImage; | |||
plateImage(roi).copyTo(roiImage); | |||
if (i >= 1) { | |||
cv::Mat roi_thres; | |||
// cv::threshold(roiImage,roi_thres,0,255,cv::THRESH_OTSU|cv::THRESH_BINARY); | |||
niBlackThreshold(roiImage, roi_thres, 255, cv::THRESH_BINARY, 15, 0.27, | |||
BINARIZATION_NIBLACK); | |||
std::vector<std::vector<cv::Point>> contours; | |||
cv::findContours(roi_thres, contours, cv::RETR_LIST, | |||
cv::CHAIN_APPROX_SIMPLE); | |||
cv::Point boxCenter(roiImage.cols >> 1, roiImage.rows >> 1); | |||
cv::Rect final_bdbox; | |||
cv::Point final_center; | |||
int final_dist = INT_MAX; | |||
for (auto contour : contours) { | |||
cv::Rect bdbox = cv::boundingRect(contour); | |||
cv::Point center(bdbox.x + (bdbox.width >> 1), | |||
bdbox.y + (bdbox.height >> 1)); | |||
int dist = (center.x - boxCenter.x) * (center.x - boxCenter.x); | |||
if (dist < final_dist and bdbox.height > rows >> 1) { | |||
final_dist = dist; | |||
final_center = center; | |||
final_bdbox = bdbox; | |||
} | |||
} | |||
// rebuild box | |||
if (final_bdbox.height / static_cast<float>(final_bdbox.width) > 3.5 && | |||
final_bdbox.width * final_bdbox.height < 10) | |||
final_bdbox = boxFromCenter(final_center, 8, 8, (rows >> 1) - 3, | |||
(rows >> 1) - 2, roiImage.size()); | |||
else { | |||
if (i == candidatePts.size() - 1) | |||
final_bdbox = boxPadding(final_bdbox, padding / 2, padding, | |||
padding / 2, padding / 2, roiImage.size()); | |||
else | |||
final_bdbox = boxPadding(final_bdbox, padding, padding, padding, | |||
padding, roiImage.size()); | |||
// std::cout<<final_bdbox<<std::endl; | |||
// std::cout<<roiImage.size()<<std::endl; | |||
#ifdef DEBUG | |||
cv::imshow("char_thres", roi_thres); | |||
cv::imshow("char", roiImage(final_bdbox)); | |||
cv::waitKey(0); | |||
#endif | |||
} | |||
final_bdbox.x += left; | |||
rects.push_back(final_bdbox); | |||
// | |||
} else { | |||
rects.push_back(roi); | |||
} | |||
// else | |||
// { | |||
// | |||
// } | |||
// cv::GaussianBlur(roiImage,roiImage,cv::Size(7,7),3); | |||
// | |||
// cv::imshow("image",roiImage); | |||
// cv::waitKey(0); | |||
} | |||
} | |||
void avgfilter(float *angle_list, int size, int windowsSize) { | |||
float *filterd = new float[size]; | |||
for (int i = 0; i < size; i++) | |||
filterd[i] = angle_list[i]; | |||
// memcpy(filterd,angle_list,size); | |||
cv::Mat kernal_gaussian = cv::getGaussianKernel(windowsSize, 3, CV_32F); | |||
float *kernal = (float *)kernal_gaussian.data; | |||
// kernal+=windowsSize; | |||
int r = windowsSize / 2; | |||
for (int i = 0; i < size; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
if (i + j - r > 0 && i + j + r < size - 1) | |||
avg += filterd[i + j - r] * kernal[j]; | |||
} | |||
// avg = avg / windowsSize; | |||
angle_list[i] = avg; | |||
} | |||
delete filterd; | |||
} | |||
void PlateSegmentation::templateMatchFinding( | |||
const cv::Mat &respones, int windowsWidth, | |||
std::pair<float, std::vector<int>> &candidatePts) { | |||
int rows = respones.rows; | |||
int cols = respones.cols; | |||
float *data = (float *)respones.data; | |||
float *engNum_prob = data; | |||
float *false_prob = data + cols; | |||
float *ch_prob = data + cols * 2; | |||
avgfilter(engNum_prob, cols, 5); | |||
avgfilter(false_prob, cols, 5); | |||
std::vector<int> candidate_pts(7); | |||
int cp_list[7]; | |||
float loss_selected = -10; | |||
for (int start = 0; start < 20; start += 2) | |||
for (int width = windowsWidth - 5; width < windowsWidth + 5; width++) { | |||
for (int interval = windowsWidth / 2; interval < windowsWidth; | |||
interval++) { | |||
int cp1_ch = start; | |||
int cp2_p0 = cp1_ch + width; | |||
int cp3_p1 = cp2_p0 + width + interval; | |||
int cp4_p2 = cp3_p1 + width; | |||
int cp5_p3 = cp4_p2 + width + 1; | |||
int cp6_p4 = cp5_p3 + width + 2; | |||
int cp7_p5 = cp6_p4 + width + 2; | |||
int md1 = (cp1_ch + cp2_p0) >> 1; | |||
int md2 = (cp2_p0 + cp3_p1) >> 1; | |||
int md3 = (cp3_p1 + cp4_p2) >> 1; | |||
int md4 = (cp4_p2 + cp5_p3) >> 1; | |||
int md5 = (cp5_p3 + cp6_p4) >> 1; | |||
int md6 = (cp6_p4 + cp7_p5) >> 1; | |||
if (cp7_p5 >= cols) | |||
continue; | |||
float loss = | |||
ch_prob[cp1_ch] * 3 - | |||
(false_prob[cp3_p1] + false_prob[cp4_p2] + false_prob[cp5_p3] + | |||
false_prob[cp6_p4] + false_prob[cp7_p5]); | |||
if (loss > loss_selected) { | |||
loss_selected = loss; | |||
cp_list[0] = cp1_ch; | |||
cp_list[1] = cp2_p0; | |||
cp_list[2] = cp3_p1; | |||
cp_list[3] = cp4_p2; | |||
cp_list[4] = cp5_p3; | |||
cp_list[5] = cp6_p4; | |||
cp_list[6] = cp7_p5; | |||
} | |||
} | |||
} | |||
candidate_pts[0] = cp_list[0]; | |||
candidate_pts[1] = cp_list[1]; | |||
candidate_pts[2] = cp_list[2]; | |||
candidate_pts[3] = cp_list[3]; | |||
candidate_pts[4] = cp_list[4]; | |||
candidate_pts[5] = cp_list[5]; | |||
candidate_pts[6] = cp_list[6]; | |||
candidatePts.first = loss_selected; | |||
candidatePts.second = candidate_pts; | |||
}; | |||
void PlateSegmentation::segmentPlateBySlidingWindows(cv::Mat &plateImage, | |||
int windowsWidth, | |||
int stride, | |||
cv::Mat &respones) { | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage, plateImageGray, cv::COLOR_BGR2GRAY); | |||
int padding = plateImage.cols - 136; | |||
int height = plateImage.rows - 1; | |||
int width = plateImage.cols - 1 - padding; | |||
for (int i = 0; i < width - windowsWidth + 1; i += stride) { | |||
cv::Rect roi(i, 0, windowsWidth, height); | |||
cv::Mat roiImage = plateImageGray(roi); | |||
cv::Mat response = classifyResponse(roiImage); | |||
respones.push_back(response); | |||
} | |||
respones = respones.t(); | |||
} | |||
void PlateSegmentation::segmentPlatePipline(PlateInfo &plateInfo, int stride, | |||
std::vector<cv::Rect> &Char_rects) { | |||
cv::Mat plateImage = plateInfo.getPlateImage(); // get src image . | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage, plateImageGray, cv::COLOR_BGR2GRAY); | |||
// do binarzation | |||
std::pair<float, std::vector<int>> sections; // segment points variables . | |||
cv::Mat respones; // three response of every sub region from origin image . | |||
segmentPlateBySlidingWindows(plateImage, DEFAULT_WIDTH, 1, respones); | |||
templateMatchFinding(respones, DEFAULT_WIDTH / stride, sections); | |||
for (int i = 0; i < sections.second.size(); i++) { | |||
sections.second[i] *= stride; | |||
} | |||
refineRegion(plateImageGray, sections.second, 5, Char_rects); | |||
} | |||
void PlateSegmentation::ExtractRegions(PlateInfo &plateInfo, | |||
std::vector<cv::Rect> &rects) { | |||
cv::Mat plateImage = plateInfo.getPlateImage(); | |||
for (int i = 0; i < rects.size(); i++) { | |||
cv::Mat charImage; | |||
plateImage(rects[i]).copyTo(charImage); | |||
if (charImage.channels()) | |||
cv::cvtColor(charImage, charImage, cv::COLOR_BGR2GRAY); | |||
cv::equalizeHist(charImage, charImage); | |||
std::pair<CharType, cv::Mat> char_instance; | |||
if (i == 0) { | |||
char_instance.first = CHINESE; | |||
} else if (i == 1) { | |||
char_instance.first = LETTER; | |||
} else { | |||
char_instance.first = LETTER_NUMS; | |||
} | |||
char_instance.second = charImage; | |||
plateInfo.appendPlateChar(char_instance); | |||
} | |||
} | |||
} // namespace pr |
@@ -0,0 +1,22 @@ | |||
// | |||
// Created by Jack Yu on 22/10/2017. | |||
// | |||
#include "../include/Recognizer.h" | |||
namespace pr { | |||
void GeneralRecognizer::SegmentBasedSequenceRecognition(PlateInfo &plateinfo) { | |||
for (auto char_instance : plateinfo.plateChars) { | |||
std::pair<CharType, cv::Mat> res; | |||
if (char_instance.second.rows * char_instance.second.cols > 40) { | |||
label code_table = recognizeCharacter(char_instance.second); | |||
res.first = char_instance.first; | |||
code_table.copyTo(res.second); | |||
plateinfo.appendPlateCoding(res); | |||
} else { | |||
res.first = INVALID; | |||
plateinfo.appendPlateCoding(res); | |||
} | |||
} | |||
} | |||
} // namespace pr |
@@ -0,0 +1,87 @@ | |||
// | |||
// Created by Jack Yu on 28/11/2017. | |||
// | |||
#include "../include/SegmentationFreeRecognizer.h" | |||
namespace pr { | |||
SegmentationFreeRecognizer::SegmentationFreeRecognizer(std::string prototxt, | |||
std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
inline int judgeCharRange(int id) { return id < 31 || id > 63; } | |||
std::pair<std::string, float> | |||
decodeResults(cv::Mat code_table, std::vector<std::string> mapping_table, | |||
float thres) { | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1, 1).reshape(1, labellength), code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
std::vector<std::pair<int, float>> seq_decode_res; | |||
for (int i = 0; i < sequencelength; i++) { | |||
float *fstart = ((float *)(code_table.data) + i * labellength); | |||
int id = std::max_element(fstart, fstart + labellength) - fstart; | |||
seq[i] = id; | |||
} | |||
float sum_confidence = 0; | |||
int plate_lenghth = 0; | |||
for (int i = 0; i < sequencelength; i++) { | |||
if (seq[i] != labellength - 1 && (i == 0 || seq[i] != seq[i - 1])) { | |||
float *fstart = ((float *)(code_table.data) + i * labellength); | |||
float confidence = *(fstart + seq[i]); | |||
std::pair<int, float> pair_(seq[i], confidence); | |||
seq_decode_res.push_back(pair_); | |||
} | |||
} | |||
int i = 0; | |||
if (seq_decode_res.size() > 1 && judgeCharRange(seq_decode_res[0].first) && | |||
judgeCharRange(seq_decode_res[1].first)) { | |||
i = 2; | |||
int c = seq_decode_res[0].second < seq_decode_res[1].second; | |||
name += mapping_table[seq_decode_res[c].first]; | |||
sum_confidence += seq_decode_res[c].second; | |||
plate_lenghth++; | |||
} | |||
for (; i < seq_decode_res.size(); i++) { | |||
name += mapping_table[seq_decode_res[i].first]; | |||
sum_confidence += seq_decode_res[i].second; | |||
plate_lenghth++; | |||
} | |||
std::pair<std::string, float> res; | |||
res.second = sum_confidence / plate_lenghth; | |||
res.first = name; | |||
return res; | |||
} | |||
std::string decodeResults(cv::Mat code_table, | |||
std::vector<std::string> mapping_table) { | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1, 1).reshape(1, labellength), code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
for (int i = 0; i < sequencelength; i++) { | |||
float *fstart = ((float *)(code_table.data) + i * labellength); | |||
int id = std::max_element(fstart, fstart + labellength) - fstart; | |||
seq[i] = id; | |||
} | |||
for (int i = 0; i < sequencelength; i++) { | |||
if (seq[i] != labellength - 1 && (i == 0 || seq[i] != seq[i - 1])) | |||
name += mapping_table[seq[i]]; | |||
} | |||
return name; | |||
} | |||
std::pair<std::string, float> | |||
SegmentationFreeRecognizer::SegmentationFreeForSinglePlate( | |||
cv::Mat Image, std::vector<std::string> mapping_table) { | |||
cv::transpose(Image, Image); | |||
cv::Mat inputBlob = | |||
cv::dnn::blobFromImage(Image, 1 / 255.0, cv::Size(40, 160)); | |||
net.setInput(inputBlob, "data"); | |||
cv::Mat char_prob_mat = net.forward(); | |||
return decodeResults(char_prob_mat, mapping_table, 0.00); | |||
} | |||
} // namespace pr |
@@ -0,0 +1,62 @@ | |||
// | |||
// Created by Jack Yu on 04/04/2017. | |||
// | |||
#include <opencv2/opencv.hpp> | |||
namespace util { | |||
template <class T> void swap(T &a, T &b) { | |||
T c(a); | |||
a = b; | |||
b = c; | |||
} | |||
template <class T> T min(T &a, T &b) { return a > b ? b : a; } | |||
cv::Mat cropFromImage(const cv::Mat &image, cv::Rect rect) { | |||
int w = image.cols - 1; | |||
int h = image.rows - 1; | |||
rect.x = std::max(rect.x, 0); | |||
rect.y = std::max(rect.y, 0); | |||
rect.height = std::min(rect.height, h - rect.y); | |||
rect.width = std::min(rect.width, w - rect.x); | |||
cv::Mat temp(rect.size(), image.type()); | |||
cv::Mat cropped; | |||
temp = image(rect); | |||
temp.copyTo(cropped); | |||
return cropped; | |||
} | |||
cv::Mat cropBox2dFromImage(const cv::Mat &image, cv::RotatedRect rect) { | |||
cv::Mat M, rotated, cropped; | |||
float angle = rect.angle; | |||
cv::Size rect_size(rect.size.width, rect.size.height); | |||
if (rect.angle < -45.) { | |||
angle += 90.0; | |||
swap(rect_size.width, rect_size.height); | |||
} | |||
M = cv::getRotationMatrix2D(rect.center, angle, 1.0); | |||
cv::warpAffine(image, rotated, M, image.size(), cv::INTER_CUBIC); | |||
cv::getRectSubPix(rotated, rect_size, rect.center, cropped); | |||
return cropped; | |||
} | |||
cv::Mat calcHist(const cv::Mat &image) { | |||
cv::Mat hsv; | |||
std::vector<cv::Mat> hsv_planes; | |||
cv::cvtColor(image, hsv, cv::COLOR_BGR2HSV); | |||
cv::split(hsv, hsv_planes); | |||
cv::Mat hist; | |||
int histSize = 256; | |||
float range[] = {0, 255}; | |||
const float *histRange = {range}; | |||
cv::calcHist(&hsv_planes[0], 1, 0, cv::Mat(), hist, 1, &histSize, &histRange, | |||
true, true); | |||
return hist; | |||
} | |||
float computeSimilir(const cv::Mat &A, const cv::Mat &B) { | |||
cv::Mat histA, histB; | |||
histA = calcHist(A); | |||
histB = calcHist(B); | |||
return cv::compareHist(histA, histB, CV_COMP_CORREL); | |||
} | |||
} // namespace util |
@@ -1,24 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 21/10/2017. | |||
// | |||
#ifndef SWIFTPR_CNNRECOGNIZER_H | |||
#define SWIFTPR_CNNRECOGNIZER_H | |||
#include "Recognizer.h" | |||
namespace pr{ | |||
class CNNRecognizer: public GeneralRecognizer{ | |||
public: | |||
const int CHAR_INPUT_W = 14; | |||
const int CHAR_INPUT_H = 30; | |||
CNNRecognizer(std::string prototxt,std::string caffemodel); | |||
label recognizeCharacter(cv::Mat character); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_CNNRECOGNIZER_H |
@@ -1,18 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/09/2017. | |||
// | |||
#ifndef SWIFTPR_FASTDESKEW_H | |||
#define SWIFTPR_FASTDESKEW_H | |||
#include <math.h> | |||
#include <opencv2/opencv.hpp> | |||
namespace pr{ | |||
cv::Mat fastdeskew(cv::Mat skewImage,int blockSize); | |||
// cv::Mat spatialTransformer(cv::Mat skewImage); | |||
}//namepace pr | |||
#endif //SWIFTPR_FASTDESKEW_H |
@@ -1,32 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/09/2017. | |||
// | |||
#ifndef SWIFTPR_FINEMAPPING_H | |||
#define SWIFTPR_FINEMAPPING_H | |||
#include <opencv2/opencv.hpp> | |||
#include <opencv2/dnn.hpp> | |||
#include <string> | |||
namespace pr{ | |||
class FineMapping{ | |||
public: | |||
FineMapping(); | |||
FineMapping(std::string prototxt,std::string caffemodel); | |||
static cv::Mat FineMappingVertical(cv::Mat InputProposal,int sliceNum=15,int upper=0,int lower=-50,int windows_size=17); | |||
cv::Mat FineMappingHorizon(cv::Mat FinedVertical,int leftPadding,int rightPadding); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_FINEMAPPING_H |
@@ -1,60 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/10/2017. | |||
// | |||
#ifndef SWIFTPR_PIPLINE_H | |||
#define SWIFTPR_PIPLINE_H | |||
#include "PlateDetection.h" | |||
#include "PlateSegmentation.h" | |||
#include "CNNRecognizer.h" | |||
#include "PlateInfo.h" | |||
#include "FastDeskew.h" | |||
#include "FineMapping.h" | |||
#include "Recognizer.h" | |||
#include "SegmentationFreeRecognizer.h" | |||
namespace pr{ | |||
const std::vector<std::string> CH_PLATE_CODE{"京", "沪", "津", "渝", "冀", "晋", "蒙", "辽", "吉", "黑", "苏", "浙", "皖", "闽", "赣", "鲁", "豫", "鄂", "湘", "粤", "桂", | |||
"琼", "川", "贵", "云", "藏", "陕", "甘", "青", "宁", "新", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", | |||
"B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "U", "V", "W", "X", | |||
"Y", "Z","港","学","使","警","澳","挂","军","北","南","广","沈","兰","成","济","海","民","航","空"}; | |||
const int SEGMENTATION_FREE_METHOD = 0; | |||
const int SEGMENTATION_BASED_METHOD = 1; | |||
class PipelinePR{ | |||
public: | |||
GeneralRecognizer *generalRecognizer; | |||
PlateDetection *plateDetection; | |||
PlateSegmentation *plateSegmentation; | |||
FineMapping *fineMapping; | |||
SegmentationFreeRecognizer *segmentationFreeRecognizer; | |||
PipelinePR(std::string detector_filename, | |||
std::string finemapping_prototxt,std::string finemapping_caffemodel, | |||
std::string segmentation_prototxt,std::string segmentation_caffemodel, | |||
std::string charRecognization_proto,std::string charRecognization_caffemodel, | |||
std::string segmentationfree_proto,std::string segmentationfree_caffemodel | |||
); | |||
~PipelinePR(); | |||
std::vector<std::string> plateRes; | |||
std::vector<PlateInfo> RunPiplineAsImage(cv::Mat plateImage,int method); | |||
}; | |||
} | |||
#endif //SWIFTPR_PIPLINE_H |
@@ -1,33 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/09/2017. | |||
// | |||
#ifndef SWIFTPR_PLATEDETECTION_H | |||
#define SWIFTPR_PLATEDETECTION_H | |||
#include <opencv2/opencv.hpp> | |||
#include <PlateInfo.h> | |||
#include <vector> | |||
namespace pr{ | |||
class PlateDetection{ | |||
public: | |||
PlateDetection(std::string filename_cascade); | |||
PlateDetection(); | |||
void LoadModel(std::string filename_cascade); | |||
void plateDetectionRough(cv::Mat InputImage,std::vector<pr::PlateInfo> &plateInfos,int min_w=36,int max_w=800); | |||
// std::vector<pr::PlateInfo> plateDetectionRough(cv::Mat InputImage,int min_w= 60,int max_h = 400); | |||
// std::vector<pr::PlateInfo> plateDetectionRoughByMultiScaleEdge(cv::Mat InputImage); | |||
private: | |||
cv::CascadeClassifier cascade; | |||
}; | |||
}// namespace pr | |||
#endif //SWIFTPR_PLATEDETECTION_H |
@@ -1,126 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/09/2017. | |||
// | |||
#ifndef SWIFTPR_PLATEINFO_H | |||
#define SWIFTPR_PLATEINFO_H | |||
#include <opencv2/opencv.hpp> | |||
namespace pr { | |||
typedef std::vector<cv::Mat> Character; | |||
enum PlateColor { BLUE, YELLOW, WHITE, GREEN, BLACK,UNKNOWN}; | |||
enum CharType {CHINESE,LETTER,LETTER_NUMS,INVALID}; | |||
class PlateInfo { | |||
public: | |||
std::vector<std::pair<CharType,cv::Mat>> plateChars; | |||
std::vector<std::pair<CharType,cv::Mat>> plateCoding; | |||
float confidence = 0; | |||
PlateInfo(const cv::Mat &plateData, std::string plateName, cv::Rect plateRect, PlateColor plateType) { | |||
licensePlate = plateData; | |||
name = plateName; | |||
ROI = plateRect; | |||
Type = plateType; | |||
} | |||
PlateInfo(const cv::Mat &plateData, cv::Rect plateRect, PlateColor plateType) { | |||
licensePlate = plateData; | |||
ROI = plateRect; | |||
Type = plateType; | |||
} | |||
PlateInfo(const cv::Mat &plateData, cv::Rect plateRect) { | |||
licensePlate = plateData; | |||
ROI = plateRect; | |||
} | |||
PlateInfo() { | |||
} | |||
cv::Mat getPlateImage() { | |||
return licensePlate; | |||
} | |||
void setPlateImage(cv::Mat plateImage){ | |||
licensePlate = plateImage; | |||
} | |||
cv::Rect getPlateRect() { | |||
return ROI; | |||
} | |||
void setPlateRect(cv::Rect plateRect) { | |||
ROI = plateRect; | |||
} | |||
cv::String getPlateName() { | |||
return name; | |||
} | |||
void setPlateName(cv::String plateName) { | |||
name = plateName; | |||
} | |||
int getPlateType() { | |||
return Type; | |||
} | |||
void appendPlateChar(const std::pair<CharType,cv::Mat> &plateChar) | |||
{ | |||
plateChars.push_back(plateChar); | |||
} | |||
void appendPlateCoding(const std::pair<CharType,cv::Mat> &charProb){ | |||
plateCoding.push_back(charProb); | |||
} | |||
// cv::Mat getPlateChars(int id) { | |||
// if(id<PlateChars.size()) | |||
// return PlateChars[id]; | |||
// } | |||
std::string decodePlateNormal(std::vector<std::string> mappingTable) { | |||
std::string decode; | |||
for(auto plate:plateCoding) { | |||
float *prob = (float *)plate.second.data; | |||
if(plate.first == CHINESE) { | |||
decode += mappingTable[std::max_element(prob,prob+31) - prob]; | |||
confidence+=*std::max_element(prob,prob+31); | |||
// std::cout<<*std::max_element(prob,prob+31)<<std::endl; | |||
} | |||
else if(plate.first == LETTER) { | |||
decode += mappingTable[std::max_element(prob+41,prob+65)- prob]; | |||
confidence+=*std::max_element(prob+41,prob+65); | |||
} | |||
else if(plate.first == LETTER_NUMS) { | |||
decode += mappingTable[std::max_element(prob+31,prob+65)- prob]; | |||
confidence+=*std::max_element(prob+31,prob+65); | |||
// std::cout<<*std::max_element(prob+31,prob+65)<<std::endl; | |||
} | |||
else if(plate.first == INVALID) | |||
{ | |||
decode+='*'; | |||
} | |||
} | |||
name = decode; | |||
confidence/=7; | |||
return decode; | |||
} | |||
private: | |||
cv::Mat licensePlate; | |||
cv::Rect ROI; | |||
std::string name ; | |||
PlateColor Type; | |||
}; | |||
} | |||
#endif //SWIFTPR_PLATEINFO_H |
@@ -1,35 +0,0 @@ | |||
#ifndef SWIFTPR_PLATESEGMENTATION_H | |||
#define SWIFTPR_PLATESEGMENTATION_H | |||
#include "opencv2/opencv.hpp" | |||
#include <opencv2/dnn.hpp> | |||
#include "PlateInfo.h" | |||
namespace pr{ | |||
class PlateSegmentation{ | |||
public: | |||
const int PLATE_NORMAL = 6; | |||
const int PLATE_NORMAL_GREEN = 7; | |||
const int DEFAULT_WIDTH = 20; | |||
PlateSegmentation(std::string phototxt,std::string caffemodel); | |||
PlateSegmentation(){} | |||
void segmentPlatePipline(PlateInfo &plateInfo,int stride,std::vector<cv::Rect> &Char_rects); | |||
void segmentPlateBySlidingWindows(cv::Mat &plateImage,int windowsWidth,int stride,cv::Mat &respones); | |||
void templateMatchFinding(const cv::Mat &respones,int windowsWidth,std::pair<float,std::vector<int>> &candidatePts); | |||
void refineRegion(cv::Mat &plateImage,const std::vector<int> &candidatePts,const int padding,std::vector<cv::Rect> &rects); | |||
void ExtractRegions(PlateInfo &plateInfo,std::vector<cv::Rect> &rects); | |||
cv::Mat classifyResponse(const cv::Mat &cropped); | |||
private: | |||
cv::dnn::Net net; | |||
// RefineRegion() | |||
}; | |||
}//namespace pr | |||
#endif //SWIFTPR_PLATESEGMENTATION_H |
@@ -1,23 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/10/2017. | |||
// | |||
#ifndef SWIFTPR_RECOGNIZER_H | |||
#define SWIFTPR_RECOGNIZER_H | |||
#include "PlateInfo.h" | |||
#include "opencv2/dnn.hpp" | |||
namespace pr{ | |||
typedef cv::Mat label; | |||
class GeneralRecognizer{ | |||
public: | |||
virtual label recognizeCharacter(cv::Mat character) = 0; | |||
// virtual cv::Mat SegmentationFreeForSinglePlate(cv::Mat plate) = 0; | |||
void SegmentBasedSequenceRecognition(PlateInfo &plateinfo); | |||
void SegmentationFreeSequenceRecognition(PlateInfo &plateInfo); | |||
}; | |||
} | |||
#endif //SWIFTPR_RECOGNIZER_H |
@@ -1,28 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 28/11/2017. | |||
// | |||
#ifndef SWIFTPR_SEGMENTATIONFREERECOGNIZER_H | |||
#define SWIFTPR_SEGMENTATIONFREERECOGNIZER_H | |||
#include "Recognizer.h" | |||
namespace pr{ | |||
class SegmentationFreeRecognizer{ | |||
public: | |||
const int CHAR_INPUT_W = 14; | |||
const int CHAR_INPUT_H = 30; | |||
const int CHAR_LEN = 84; | |||
SegmentationFreeRecognizer(std::string prototxt,std::string caffemodel); | |||
std::pair<std::string,float> SegmentationFreeForSinglePlate(cv::Mat plate,std::vector<std::string> mapping_table); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_SEGMENTATIONFREERECOGNIZER_H |
@@ -1,107 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 26/10/2017. | |||
// | |||
#ifndef SWIFTPR_NIBLACKTHRESHOLD_H | |||
#define SWIFTPR_NIBLACKTHRESHOLD_H | |||
#include <opencv2/opencv.hpp> | |||
using namespace cv; | |||
enum LocalBinarizationMethods{ | |||
BINARIZATION_NIBLACK = 0, //!< Classic Niblack binarization. See @cite Niblack1985 . | |||
BINARIZATION_SAUVOLA = 1, //!< Sauvola's technique. See @cite Sauvola1997 . | |||
BINARIZATION_WOLF = 2, //!< Wolf's technique. See @cite Wolf2004 . | |||
BINARIZATION_NICK = 3 //!< NICK technique. See @cite Khurshid2009 . | |||
}; | |||
void niBlackThreshold( InputArray _src, OutputArray _dst, double maxValue, | |||
int type, int blockSize, double k, int binarizationMethod ) | |||
{ | |||
// Input grayscale image | |||
Mat src = _src.getMat(); | |||
CV_Assert(src.channels() == 1); | |||
CV_Assert(blockSize % 2 == 1 && blockSize > 1); | |||
if (binarizationMethod == BINARIZATION_SAUVOLA) { | |||
CV_Assert(src.depth() == CV_8U); | |||
} | |||
type &= THRESH_MASK; | |||
// Compute local threshold (T = mean + k * stddev) | |||
// using mean and standard deviation in the neighborhood of each pixel | |||
// (intermediate calculations are done with floating-point precision) | |||
Mat test; | |||
Mat thresh; | |||
{ | |||
// note that: Var[X] = E[X^2] - E[X]^2 | |||
Mat mean, sqmean, variance, stddev, sqrtVarianceMeanSum; | |||
double srcMin, stddevMax; | |||
boxFilter(src, mean, CV_32F, Size(blockSize, blockSize), | |||
Point(-1,-1), true, BORDER_REPLICATE); | |||
sqrBoxFilter(src, sqmean, CV_32F, Size(blockSize, blockSize), | |||
Point(-1,-1), true, BORDER_REPLICATE); | |||
variance = sqmean - mean.mul(mean); | |||
sqrt(variance, stddev); | |||
switch (binarizationMethod) | |||
{ | |||
case BINARIZATION_NIBLACK: | |||
thresh = mean + stddev * static_cast<float>(k); | |||
break; | |||
case BINARIZATION_SAUVOLA: | |||
thresh = mean.mul(1. + static_cast<float>(k) * (stddev / 128.0 - 1.)); | |||
break; | |||
case BINARIZATION_WOLF: | |||
minMaxIdx(src, &srcMin,NULL); | |||
minMaxIdx(stddev, NULL, &stddevMax); | |||
thresh = mean - static_cast<float>(k) * (mean - srcMin - stddev.mul(mean - srcMin) / stddevMax); | |||
break; | |||
case BINARIZATION_NICK: | |||
sqrt(variance + sqmean, sqrtVarianceMeanSum); | |||
thresh = mean + static_cast<float>(k) * sqrtVarianceMeanSum; | |||
break; | |||
default: | |||
CV_Error( CV_StsBadArg, "Unknown binarization method" ); | |||
break; | |||
} | |||
thresh.convertTo(thresh, src.depth()); | |||
thresh.convertTo(test, src.depth()); | |||
// | |||
// cv::imshow("imagex",test); | |||
// cv::waitKey(0); | |||
} | |||
// Prepare output image | |||
_dst.create(src.size(), src.type()); | |||
Mat dst = _dst.getMat(); | |||
CV_Assert(src.data != dst.data); // no inplace processing | |||
// Apply thresholding: ( pixel > threshold ) ? foreground : background | |||
Mat mask; | |||
switch (type) | |||
{ | |||
case THRESH_BINARY: // dst = (src > thresh) ? maxval : 0 | |||
case THRESH_BINARY_INV: // dst = (src > thresh) ? 0 : maxval | |||
compare(src, thresh, mask, (type == THRESH_BINARY ? CMP_GT : CMP_LE)); | |||
dst.setTo(0); | |||
dst.setTo(maxValue, mask); | |||
break; | |||
case THRESH_TRUNC: // dst = (src > thresh) ? thresh : src | |||
compare(src, thresh, mask, CMP_GT); | |||
src.copyTo(dst); | |||
thresh.copyTo(dst, mask); | |||
break; | |||
case THRESH_TOZERO: // dst = (src > thresh) ? src : 0 | |||
case THRESH_TOZERO_INV: // dst = (src > thresh) ? 0 : src | |||
compare(src, thresh, mask, (type == THRESH_TOZERO ? CMP_GT : CMP_LE)); | |||
dst.setTo(0); | |||
src.copyTo(dst, mask); | |||
break; | |||
default: | |||
CV_Error( CV_StsBadArg, "Unknown threshold type" ); | |||
break; | |||
} | |||
} | |||
#endif //SWIFTPR_NIBLACKTHRESHOLD_H |
@@ -1,123 +0,0 @@ | |||
input: "data" | |||
input_dim: 1 | |||
input_dim: 1 | |||
input_dim: 30 | |||
input_dim: 14 | |||
layer { | |||
name: "conv2d_1" | |||
type: "Convolution" | |||
bottom: "data" | |||
top: "conv2d_1" | |||
convolution_param { | |||
num_output: 32 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "activation_1" | |||
type: "ReLU" | |||
bottom: "conv2d_1" | |||
top: "activation_1" | |||
} | |||
layer { | |||
name: "max_pooling2d_1" | |||
type: "Pooling" | |||
bottom: "activation_1" | |||
top: "max_pooling2d_1" | |||
pooling_param { | |||
pool: MAX | |||
kernel_size: 2 | |||
stride: 2 | |||
pad: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_2" | |||
type: "Convolution" | |||
bottom: "max_pooling2d_1" | |||
top: "conv2d_2" | |||
convolution_param { | |||
num_output: 64 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "activation_2" | |||
type: "ReLU" | |||
bottom: "conv2d_2" | |||
top: "activation_2" | |||
} | |||
layer { | |||
name: "max_pooling2d_2" | |||
type: "Pooling" | |||
bottom: "activation_2" | |||
top: "max_pooling2d_2" | |||
pooling_param { | |||
pool: MAX | |||
kernel_size: 2 | |||
stride: 2 | |||
pad: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_3" | |||
type: "Convolution" | |||
bottom: "max_pooling2d_2" | |||
top: "conv2d_3" | |||
convolution_param { | |||
num_output: 128 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 2 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "activation_3" | |||
type: "ReLU" | |||
bottom: "conv2d_3" | |||
top: "activation_3" | |||
} | |||
layer { | |||
name: "flatten_1" | |||
type: "Flatten" | |||
bottom: "activation_3" | |||
top: "flatten_1" | |||
} | |||
layer { | |||
name: "dense_1" | |||
type: "InnerProduct" | |||
bottom: "flatten_1" | |||
top: "dense_1" | |||
inner_product_param { | |||
num_output: 256 | |||
} | |||
} | |||
layer { | |||
name: "relu2" | |||
type: "ReLU" | |||
bottom: "dense_1" | |||
top: "relu2" | |||
} | |||
layer { | |||
name: "dense2" | |||
type: "InnerProduct" | |||
bottom: "relu2" | |||
top: "dense2" | |||
inner_product_param { | |||
num_output: 65 | |||
} | |||
} | |||
layer { | |||
name: "prob" | |||
type: "Softmax" | |||
bottom: "dense2" | |||
top: "prob" | |||
} |
@@ -1,95 +0,0 @@ | |||
input: "data" | |||
input_dim: 1 | |||
input_dim: 3 | |||
input_dim: 16 | |||
input_dim: 66 | |||
layer { | |||
name: "conv1" | |||
type: "Convolution" | |||
bottom: "data" | |||
top: "conv1" | |||
convolution_param { | |||
num_output: 10 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "relu1" | |||
type: "ReLU" | |||
bottom: "conv1" | |||
top: "conv1" | |||
} | |||
layer { | |||
name: "max_pooling2d_3" | |||
type: "Pooling" | |||
bottom: "conv1" | |||
top: "max_pooling2d_3" | |||
pooling_param { | |||
pool: MAX | |||
kernel_size: 2 | |||
stride: 2 | |||
pad: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2" | |||
type: "Convolution" | |||
bottom: "max_pooling2d_3" | |||
top: "conv2" | |||
convolution_param { | |||
num_output: 16 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "relu2" | |||
type: "ReLU" | |||
bottom: "conv2" | |||
top: "conv2" | |||
} | |||
layer { | |||
name: "conv3" | |||
type: "Convolution" | |||
bottom: "conv2" | |||
top: "conv3" | |||
convolution_param { | |||
num_output: 32 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "relu3" | |||
type: "ReLU" | |||
bottom: "conv3" | |||
top: "conv3" | |||
} | |||
layer { | |||
name: "flatten_2" | |||
type: "Flatten" | |||
bottom: "conv3" | |||
top: "flatten_2" | |||
} | |||
layer { | |||
name: "dense" | |||
type: "InnerProduct" | |||
bottom: "flatten_2" | |||
top: "dense" | |||
inner_product_param { | |||
num_output: 2 | |||
} | |||
} | |||
layer { | |||
name: "relu4" | |||
type: "ReLU" | |||
bottom: "dense" | |||
top: "dense" | |||
} |
@@ -1,454 +0,0 @@ | |||
input: "data" | |||
input_dim: 1 | |||
input_dim: 3 | |||
input_dim: 160 | |||
input_dim: 40 | |||
layer { | |||
name: "conv0" | |||
type: "Convolution" | |||
bottom: "data" | |||
top: "conv0" | |||
convolution_param { | |||
num_output: 32 | |||
bias_term: true | |||
pad_h: 1 | |||
pad_w: 1 | |||
kernel_h: 3 | |||
kernel_w: 3 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "bn0" | |||
type: "BatchNorm" | |||
bottom: "conv0" | |||
top: "bn0" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "bn0_scale" | |||
type: "Scale" | |||
bottom: "bn0" | |||
top: "bn0" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "relu0" | |||
type: "ReLU" | |||
bottom: "bn0" | |||
top: "bn0" | |||
} | |||
layer { | |||
name: "pool0" | |||
type: "Pooling" | |||
bottom: "bn0" | |||
top: "pool0" | |||
pooling_param { | |||
pool: MAX | |||
kernel_h: 2 | |||
kernel_w: 2 | |||
stride_h: 2 | |||
stride_w: 2 | |||
pad_h: 0 | |||
pad_w: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv1" | |||
type: "Convolution" | |||
bottom: "pool0" | |||
top: "conv1" | |||
convolution_param { | |||
num_output: 64 | |||
bias_term: true | |||
pad_h: 1 | |||
pad_w: 1 | |||
kernel_h: 3 | |||
kernel_w: 3 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "bn1" | |||
type: "BatchNorm" | |||
bottom: "conv1" | |||
top: "bn1" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "bn1_scale" | |||
type: "Scale" | |||
bottom: "bn1" | |||
top: "bn1" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "relu1" | |||
type: "ReLU" | |||
bottom: "bn1" | |||
top: "bn1" | |||
} | |||
layer { | |||
name: "pool1" | |||
type: "Pooling" | |||
bottom: "bn1" | |||
top: "pool1" | |||
pooling_param { | |||
pool: MAX | |||
kernel_h: 2 | |||
kernel_w: 2 | |||
stride_h: 2 | |||
stride_w: 2 | |||
pad_h: 0 | |||
pad_w: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2" | |||
type: "Convolution" | |||
bottom: "pool1" | |||
top: "conv2" | |||
convolution_param { | |||
num_output: 128 | |||
bias_term: true | |||
pad_h: 1 | |||
pad_w: 1 | |||
kernel_h: 3 | |||
kernel_w: 3 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "bn2" | |||
type: "BatchNorm" | |||
bottom: "conv2" | |||
top: "bn2" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "bn2_scale" | |||
type: "Scale" | |||
bottom: "bn2" | |||
top: "bn2" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "relu2" | |||
type: "ReLU" | |||
bottom: "bn2" | |||
top: "bn2" | |||
} | |||
layer { | |||
name: "pool2" | |||
type: "Pooling" | |||
bottom: "bn2" | |||
top: "pool2" | |||
pooling_param { | |||
pool: MAX | |||
kernel_h: 2 | |||
kernel_w: 2 | |||
stride_h: 2 | |||
stride_w: 2 | |||
pad_h: 0 | |||
pad_w: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_1" | |||
type: "Convolution" | |||
bottom: "pool2" | |||
top: "conv2d_1" | |||
convolution_param { | |||
num_output: 256 | |||
bias_term: true | |||
pad_h: 0 | |||
pad_w: 0 | |||
kernel_h: 1 | |||
kernel_w: 5 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_1" | |||
type: "BatchNorm" | |||
bottom: "conv2d_1" | |||
top: "batch_normalization_1" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_1_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_1" | |||
top: "batch_normalization_1" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "activation_1" | |||
type: "ReLU" | |||
bottom: "batch_normalization_1" | |||
top: "batch_normalization_1" | |||
} | |||
layer { | |||
name: "conv2d_2" | |||
type: "Convolution" | |||
bottom: "batch_normalization_1" | |||
top: "conv2d_2" | |||
convolution_param { | |||
num_output: 256 | |||
bias_term: true | |||
pad_h: 3 | |||
pad_w: 0 | |||
kernel_h: 7 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_3" | |||
type: "Convolution" | |||
bottom: "batch_normalization_1" | |||
top: "conv2d_3" | |||
convolution_param { | |||
num_output: 256 | |||
bias_term: true | |||
pad_h: 2 | |||
pad_w: 0 | |||
kernel_h: 5 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_4" | |||
type: "Convolution" | |||
bottom: "batch_normalization_1" | |||
top: "conv2d_4" | |||
convolution_param { | |||
num_output: 256 | |||
bias_term: true | |||
pad_h: 1 | |||
pad_w: 0 | |||
kernel_h: 3 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_5" | |||
type: "Convolution" | |||
bottom: "batch_normalization_1" | |||
top: "conv2d_5" | |||
convolution_param { | |||
num_output: 256 | |||
bias_term: true | |||
pad_h: 0 | |||
pad_w: 0 | |||
kernel_h: 1 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_2" | |||
type: "BatchNorm" | |||
bottom: "conv2d_2" | |||
top: "batch_normalization_2" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_2_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_2" | |||
top: "batch_normalization_2" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_3" | |||
type: "BatchNorm" | |||
bottom: "conv2d_3" | |||
top: "batch_normalization_3" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_3_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_3" | |||
top: "batch_normalization_3" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_4" | |||
type: "BatchNorm" | |||
bottom: "conv2d_4" | |||
top: "batch_normalization_4" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_4_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_4" | |||
top: "batch_normalization_4" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_5" | |||
type: "BatchNorm" | |||
bottom: "conv2d_5" | |||
top: "batch_normalization_5" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_5_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_5" | |||
top: "batch_normalization_5" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "activation_2" | |||
type: "ReLU" | |||
bottom: "batch_normalization_2" | |||
top: "batch_normalization_2" | |||
} | |||
layer { | |||
name: "activation_3" | |||
type: "ReLU" | |||
bottom: "batch_normalization_3" | |||
top: "batch_normalization_3" | |||
} | |||
layer { | |||
name: "activation_4" | |||
type: "ReLU" | |||
bottom: "batch_normalization_4" | |||
top: "batch_normalization_4" | |||
} | |||
layer { | |||
name: "activation_5" | |||
type: "ReLU" | |||
bottom: "batch_normalization_5" | |||
top: "batch_normalization_5" | |||
} | |||
layer { | |||
name: "concatenate_1" | |||
type: "Concat" | |||
bottom: "batch_normalization_2" | |||
bottom: "batch_normalization_3" | |||
bottom: "batch_normalization_4" | |||
bottom: "batch_normalization_5" | |||
top: "concatenate_1" | |||
concat_param { | |||
axis: 1 | |||
} | |||
} | |||
layer { | |||
name: "conv_1024_11" | |||
type: "Convolution" | |||
bottom: "concatenate_1" | |||
top: "conv_1024_11" | |||
convolution_param { | |||
num_output: 1024 | |||
bias_term: true | |||
pad_h: 0 | |||
pad_w: 0 | |||
kernel_h: 1 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_6" | |||
type: "BatchNorm" | |||
bottom: "conv_1024_11" | |||
top: "batch_normalization_6" | |||
batch_norm_param { | |||
moving_average_fraction: 0.99 | |||
eps: 0.001 | |||
} | |||
} | |||
layer { | |||
name: "batch_normalization_6_scale" | |||
type: "Scale" | |||
bottom: "batch_normalization_6" | |||
top: "batch_normalization_6" | |||
scale_param { | |||
bias_term: true | |||
} | |||
} | |||
layer { | |||
name: "activation_6" | |||
type: "ReLU" | |||
bottom: "batch_normalization_6" | |||
top: "batch_normalization_6" | |||
} | |||
layer { | |||
name: "conv_class_11" | |||
type: "Convolution" | |||
bottom: "batch_normalization_6" | |||
top: "conv_class_11" | |||
convolution_param { | |||
num_output: 84 | |||
bias_term: true | |||
pad_h: 0 | |||
pad_w: 0 | |||
kernel_h: 1 | |||
kernel_w: 1 | |||
stride_h: 1 | |||
stride_w: 1 | |||
} | |||
} | |||
layer { | |||
name: "prob" | |||
type: "Softmax" | |||
bottom: "conv_class_11" | |||
top: "prob" | |||
} | |||
@@ -1,114 +0,0 @@ | |||
input: "data" | |||
input_dim: 1 | |||
input_dim: 1 | |||
input_dim: 22 | |||
input_dim: 22 | |||
layer { | |||
name: "conv2d_12" | |||
type: "Convolution" | |||
bottom: "data" | |||
top: "conv2d_12" | |||
convolution_param { | |||
num_output: 16 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "activation_18" | |||
type: "ReLU" | |||
bottom: "conv2d_12" | |||
top: "activation_18" | |||
} | |||
layer { | |||
name: "max_pooling2d_10" | |||
type: "Pooling" | |||
bottom: "activation_18" | |||
top: "max_pooling2d_10" | |||
pooling_param { | |||
pool: MAX | |||
kernel_size: 2 | |||
stride: 2 | |||
pad: 0 | |||
} | |||
} | |||
layer { | |||
name: "conv2d_13" | |||
type: "Convolution" | |||
bottom: "max_pooling2d_10" | |||
top: "conv2d_13" | |||
convolution_param { | |||
num_output: 16 | |||
bias_term: true | |||
pad: 0 | |||
kernel_size: 3 | |||
stride: 1 | |||
} | |||
} | |||
layer { | |||
name: "activation_19" | |||
type: "ReLU" | |||
bottom: "conv2d_13" | |||
top: "activation_19" | |||
} | |||
layer { | |||
name: "max_pooling2d_11" | |||
type: "Pooling" | |||
bottom: "activation_19" | |||
top: "max_pooling2d_11" | |||
pooling_param { | |||
pool: MAX | |||
kernel_size: 2 | |||
stride: 2 | |||
pad: 0 | |||
} | |||
} | |||
layer { | |||
name: "flatten_6" | |||
type: "Flatten" | |||
bottom: "max_pooling2d_11" | |||
top: "flatten_6" | |||
} | |||
layer { | |||
name: "dense_9" | |||
type: "InnerProduct" | |||
bottom: "flatten_6" | |||
top: "dense_9" | |||
inner_product_param { | |||
num_output: 256 | |||
} | |||
} | |||
layer { | |||
name: "dropout_9" | |||
type: "Dropout" | |||
bottom: "dense_9" | |||
top: "dropout_9" | |||
dropout_param { | |||
dropout_ratio: 0.5 | |||
} | |||
} | |||
layer { | |||
name: "activation_20" | |||
type: "ReLU" | |||
bottom: "dropout_9" | |||
top: "activation_20" | |||
} | |||
layer { | |||
name: "dense_10" | |||
type: "InnerProduct" | |||
bottom: "activation_20" | |||
top: "dense_10" | |||
inner_product_param { | |||
num_output: 3 | |||
} | |||
} | |||
layer { | |||
name: "prob" | |||
type: "Softmax" | |||
bottom: "dense_10" | |||
top: "prob" | |||
} |
@@ -1,19 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 21/10/2017. | |||
// | |||
#include "../include/CNNRecognizer.h" | |||
namespace pr{ | |||
CNNRecognizer::CNNRecognizer(std::string prototxt,std::string caffemodel){ | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
label CNNRecognizer::recognizeCharacter(cv::Mat charImage){ | |||
if(charImage.channels()== 3) | |||
cv::cvtColor(charImage,charImage,cv::COLOR_BGR2GRAY); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(charImage, 1/255.0, cv::Size(CHAR_INPUT_W,CHAR_INPUT_H), cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
return net.forward(); | |||
} | |||
} |
@@ -1,108 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 02/10/2017. | |||
// | |||
#include <../include/FastDeskew.h> | |||
namespace pr{ | |||
const int ANGLE_MIN = 30 ; | |||
const int ANGLE_MAX = 150 ; | |||
const int PLATE_H = 36; | |||
const int PLATE_W = 136; | |||
int angle(float x,float y) | |||
{ | |||
return atan2(x,y)*180/3.1415; | |||
} | |||
std::vector<float> avgfilter(std::vector<float> angle_list,int windowsSize) { | |||
std::vector<float> angle_list_filtered(angle_list.size() - windowsSize + 1); | |||
for (int i = 0; i < angle_list.size() - windowsSize + 1; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
avg += angle_list[i + j]; | |||
} | |||
avg = avg / windowsSize; | |||
angle_list_filtered[i] = avg; | |||
} | |||
return angle_list_filtered; | |||
} | |||
void drawHist(std::vector<float> seq){ | |||
cv::Mat image(300,seq.size(),CV_8U); | |||
image.setTo(0); | |||
for(int i = 0;i<seq.size();i++) | |||
{ | |||
float l = *std::max_element(seq.begin(),seq.end()); | |||
int p = int(float(seq[i])/l*300); | |||
cv::line(image,cv::Point(i,300),cv::Point(i,300-p),cv::Scalar(255,255,255)); | |||
} | |||
cv::imshow("vis",image); | |||
} | |||
cv::Mat correctPlateImage(cv::Mat skewPlate,float angle,float maxAngle) | |||
{ | |||
cv::Mat dst; | |||
cv::Size size_o(skewPlate.cols,skewPlate.rows); | |||
int extend_padding = 0; | |||
extend_padding = static_cast<int>(skewPlate.rows*tan(cv::abs(angle)/180* 3.14) ); | |||
cv::Size size(skewPlate.cols + extend_padding ,skewPlate.rows); | |||
float interval = abs(sin((angle /180) * 3.14)* skewPlate.rows); | |||
cv::Point2f pts1[4] = {cv::Point2f(0,0),cv::Point2f(0,size_o.height),cv::Point2f(size_o.width,0),cv::Point2f(size_o.width,size_o.height)}; | |||
if(angle>0) { | |||
cv::Point2f pts2[4] = {cv::Point2f(interval, 0), cv::Point2f(0, size_o.height), | |||
cv::Point2f(size_o.width, 0), cv::Point2f(size_o.width - interval, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1,pts2); | |||
cv::warpPerspective(skewPlate,dst,M,size); | |||
} | |||
else { | |||
cv::Point2f pts2[4] = {cv::Point2f(0, 0), cv::Point2f(interval, size_o.height), cv::Point2f(size_o.width-interval, 0), | |||
cv::Point2f(size_o.width, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1,pts2); | |||
cv::warpPerspective(skewPlate,dst,M,size,cv::INTER_CUBIC); | |||
} | |||
return dst; | |||
} | |||
cv::Mat fastdeskew(cv::Mat skewImage,int blockSize){ | |||
const int FILTER_WINDOWS_SIZE = 5; | |||
std::vector<float> angle_list(180); | |||
memset(angle_list.data(),0,angle_list.size()*sizeof(int)); | |||
cv::Mat bak; | |||
skewImage.copyTo(bak); | |||
if(skewImage.channels() == 3) | |||
cv::cvtColor(skewImage,skewImage,cv::COLOR_RGB2GRAY); | |||
if(skewImage.channels() == 1) | |||
{ | |||
cv::Mat eigen; | |||
cv::cornerEigenValsAndVecs(skewImage,eigen,blockSize,5); | |||
for( int j = 0; j < skewImage.rows; j+=blockSize ) | |||
{ for( int i = 0; i < skewImage.cols; i+=blockSize ) | |||
{ | |||
float x2 = eigen.at<cv::Vec6f>(j, i)[4]; | |||
float y2 = eigen.at<cv::Vec6f>(j, i)[5]; | |||
int angle_cell = angle(x2,y2); | |||
angle_list[(angle_cell + 180)%180]+=1.0; | |||
} | |||
} | |||
} | |||
std::vector<float> filtered = avgfilter(angle_list,5); | |||
int maxPos = std::max_element(filtered.begin(),filtered.end()) - filtered.begin() + FILTER_WINDOWS_SIZE/2; | |||
if(maxPos>ANGLE_MAX) | |||
maxPos = (-maxPos+90+180)%180; | |||
if(maxPos<ANGLE_MIN) | |||
maxPos-=90; | |||
maxPos=90-maxPos; | |||
cv::Mat deskewed = correctPlateImage(bak, static_cast<float>(maxPos),60.0f); | |||
return deskewed; | |||
} | |||
}//namespace pr |
@@ -1,170 +0,0 @@ | |||
#include "FineMapping.h" | |||
namespace pr{ | |||
const int FINEMAPPING_H = 60 ; | |||
const int FINEMAPPING_W = 140; | |||
const int PADDING_UP_DOWN = 30; | |||
void drawRect(cv::Mat image,cv::Rect rect) | |||
{ | |||
cv::Point p1(rect.x,rect.y); | |||
cv::Point p2(rect.x+rect.width,rect.y+rect.height); | |||
cv::rectangle(image,p1,p2,cv::Scalar(0,255,0),1); | |||
} | |||
FineMapping::FineMapping(std::string prototxt,std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat FineMapping::FineMappingHorizon(cv::Mat FinedVertical,int leftPadding,int rightPadding) | |||
{ | |||
// if(FinedVertical.channels()==1) | |||
// cv::cvtColor(FinedVertical,FinedVertical,cv::COLOR_GRAY2BGR); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(FinedVertical, 1/255.0, cv::Size(66,16), | |||
cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
cv::Mat prob = net.forward(); | |||
int front = static_cast<int>(prob.at<float>(0,0)*FinedVertical.cols); | |||
int back = static_cast<int>(prob.at<float>(0,1)*FinedVertical.cols); | |||
front -= leftPadding ; | |||
if(front<0) front = 0; | |||
back +=rightPadding; | |||
if(back>FinedVertical.cols-1) back=FinedVertical.cols - 1; | |||
cv::Mat cropped = FinedVertical.colRange(front,back).clone(); | |||
return cropped; | |||
} | |||
std::pair<int,int> FitLineRansac(std::vector<cv::Point> pts,int zeroadd = 0 ) | |||
{ | |||
std::pair<int,int> res; | |||
if(pts.size()>2) | |||
{ | |||
cv::Vec4f line; | |||
cv::fitLine(pts,line,cv::DIST_HUBER,0,0.01,0.01); | |||
float vx = line[0]; | |||
float vy = line[1]; | |||
float x = line[2]; | |||
float y = line[3]; | |||
int lefty = static_cast<int>((-x * vy / vx) + y); | |||
int righty = static_cast<int>(((136- x) * vy / vx) + y); | |||
res.first = lefty+PADDING_UP_DOWN+zeroadd; | |||
res.second = righty+PADDING_UP_DOWN+zeroadd; | |||
return res; | |||
} | |||
res.first = zeroadd; | |||
res.second = zeroadd; | |||
return res; | |||
} | |||
cv::Mat FineMapping::FineMappingVertical(cv::Mat InputProposal,int sliceNum,int upper,int lower,int windows_size){ | |||
cv::Mat PreInputProposal; | |||
cv::Mat proposal; | |||
cv::resize(InputProposal,PreInputProposal,cv::Size(FINEMAPPING_W,FINEMAPPING_H)); | |||
if(InputProposal.channels() == 3) | |||
cv::cvtColor(PreInputProposal,proposal,cv::COLOR_BGR2GRAY); | |||
else | |||
PreInputProposal.copyTo(proposal); | |||
// this will improve some sen | |||
cv::Mat kernal = cv::getStructuringElement(cv::MORPH_ELLIPSE,cv::Size(1,3)); | |||
float diff = static_cast<float>(upper-lower); | |||
diff/=static_cast<float>(sliceNum-1); | |||
cv::Mat binary_adaptive; | |||
std::vector<cv::Point> line_upper; | |||
std::vector<cv::Point> line_lower; | |||
int contours_nums=0; | |||
for(int i = 0 ; i < sliceNum ; i++) | |||
{ | |||
std::vector<std::vector<cv::Point> > contours; | |||
float k =lower + i*diff; | |||
cv::adaptiveThreshold(proposal,binary_adaptive,255,cv::ADAPTIVE_THRESH_MEAN_C,cv::THRESH_BINARY,windows_size,k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive,contours,cv::RETR_EXTERNAL,cv::CHAIN_APPROX_SIMPLE); | |||
for(auto contour: contours) | |||
{ | |||
cv::Rect bdbox =cv::boundingRect(contour); | |||
float lwRatio = bdbox.height/static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width*bdbox.height; | |||
if (( lwRatio>0.7&&bdbox.width*bdbox.height>100 && bdboxAera<300) | |||
|| (lwRatio>3.0 && bdboxAera<100 && bdboxAera>10)) | |||
{ | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums+=1; | |||
} | |||
} | |||
} | |||
if(contours_nums<41) | |||
{ | |||
cv::bitwise_not(InputProposal,InputProposal); | |||
cv::Mat kernal = cv::getStructuringElement(cv::MORPH_ELLIPSE,cv::Size(1,5)); | |||
cv::Mat bak; | |||
cv::resize(InputProposal,bak,cv::Size(FINEMAPPING_W,FINEMAPPING_H)); | |||
cv::erode(bak,bak,kernal); | |||
if(InputProposal.channels() == 3) | |||
cv::cvtColor(bak,proposal,cv::COLOR_BGR2GRAY); | |||
else | |||
proposal = bak; | |||
int contours_nums=0; | |||
for(int i = 0 ; i < sliceNum ; i++) | |||
{ | |||
std::vector<std::vector<cv::Point> > contours; | |||
float k =lower + i*diff; | |||
cv::adaptiveThreshold(proposal,binary_adaptive,255,cv::ADAPTIVE_THRESH_MEAN_C,cv::THRESH_BINARY,windows_size,k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive,contours,cv::RETR_EXTERNAL,cv::CHAIN_APPROX_SIMPLE); | |||
for(auto contour: contours) | |||
{ | |||
cv::Rect bdbox =cv::boundingRect(contour); | |||
float lwRatio = bdbox.height/static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width*bdbox.height; | |||
if (( lwRatio>0.7&&bdbox.width*bdbox.height>120 && bdboxAera<300) | |||
|| (lwRatio>3.0 && bdboxAera<100 && bdboxAera>10)) | |||
{ | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums+=1; | |||
} | |||
} | |||
} | |||
} | |||
cv::Mat rgb; | |||
cv::copyMakeBorder(PreInputProposal, rgb, PADDING_UP_DOWN, PADDING_UP_DOWN, 0, 0, cv::BORDER_REPLICATE); | |||
std::pair<int, int> A; | |||
std::pair<int, int> B; | |||
A = FitLineRansac(line_upper, -1); | |||
B = FitLineRansac(line_lower, 1); | |||
int leftyB = A.first; | |||
int rightyB = A.second; | |||
int leftyA = B.first; | |||
int rightyA = B.second; | |||
int cols = rgb.cols; | |||
int rows = rgb.rows; | |||
std::vector<cv::Point2f> corners(4); | |||
corners[0] = cv::Point2f(cols - 1, rightyA); | |||
corners[1] = cv::Point2f(0, leftyA); | |||
corners[2] = cv::Point2f(cols - 1, rightyB); | |||
corners[3] = cv::Point2f(0, leftyB); | |||
std::vector<cv::Point2f> corners_trans(4); | |||
corners_trans[0] = cv::Point2f(136, 36); | |||
corners_trans[1] = cv::Point2f(0, 36); | |||
corners_trans[2] = cv::Point2f(136, 0); | |||
corners_trans[3] = cv::Point2f(0, 0); | |||
cv::Mat transform = cv::getPerspectiveTransform(corners, corners_trans); | |||
cv::Mat quad = cv::Mat::zeros(36, 136, CV_8UC3); | |||
cv::warpPerspective(rgb, quad, transform, quad.size()); | |||
return quad; | |||
} | |||
} | |||
@@ -1,85 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 23/10/2017. | |||
// | |||
#include "../include/Pipeline.h" | |||
namespace pr { | |||
const int HorizontalPadding = 4; | |||
PipelinePR::PipelinePR(std::string detector_filename, | |||
std::string finemapping_prototxt, std::string finemapping_caffemodel, | |||
std::string segmentation_prototxt, std::string segmentation_caffemodel, | |||
std::string charRecognization_proto, std::string charRecognization_caffemodel, | |||
std::string segmentationfree_proto,std::string segmentationfree_caffemodel) { | |||
plateDetection = new PlateDetection(detector_filename); | |||
fineMapping = new FineMapping(finemapping_prototxt, finemapping_caffemodel); | |||
plateSegmentation = new PlateSegmentation(segmentation_prototxt, segmentation_caffemodel); | |||
generalRecognizer = new CNNRecognizer(charRecognization_proto, charRecognization_caffemodel); | |||
segmentationFreeRecognizer = new SegmentationFreeRecognizer(segmentationfree_proto,segmentationfree_caffemodel); | |||
} | |||
PipelinePR::~PipelinePR() { | |||
delete plateDetection; | |||
delete fineMapping; | |||
delete plateSegmentation; | |||
delete generalRecognizer; | |||
delete segmentationFreeRecognizer; | |||
} | |||
std::vector<PlateInfo> PipelinePR:: RunPiplineAsImage(cv::Mat plateImage,int method) { | |||
std::vector<PlateInfo> results; | |||
std::vector<pr::PlateInfo> plates; | |||
plateDetection->plateDetectionRough(plateImage,plates,36,700); | |||
for (pr::PlateInfo plateinfo:plates) { | |||
cv::Mat image_finemapping = plateinfo.getPlateImage(); | |||
image_finemapping = fineMapping->FineMappingVertical(image_finemapping); | |||
image_finemapping = pr::fastdeskew(image_finemapping, 5); | |||
//Segmentation-based | |||
if(method==SEGMENTATION_BASED_METHOD) | |||
{ | |||
image_finemapping = fineMapping->FineMappingHorizon(image_finemapping, 2, HorizontalPadding); | |||
cv::resize(image_finemapping, image_finemapping, cv::Size(136+HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::vector<cv::Rect> rects; | |||
plateSegmentation->segmentPlatePipline(plateinfo, 1, rects); | |||
plateSegmentation->ExtractRegions(plateinfo, rects); | |||
cv::copyMakeBorder(image_finemapping, image_finemapping, 0, 0, 0, 20, cv::BORDER_REPLICATE); | |||
plateinfo.setPlateImage(image_finemapping); | |||
generalRecognizer->SegmentBasedSequenceRecognition(plateinfo); | |||
plateinfo.decodePlateNormal(pr::CH_PLATE_CODE); | |||
} | |||
//Segmentation-free | |||
else if(method==SEGMENTATION_FREE_METHOD) | |||
{ | |||
image_finemapping = fineMapping->FineMappingHorizon(image_finemapping, 4, HorizontalPadding+3); | |||
cv::resize(image_finemapping, image_finemapping, cv::Size(136+HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::pair<std::string,float> res = segmentationFreeRecognizer->SegmentationFreeForSinglePlate(plateinfo.getPlateImage(),pr::CH_PLATE_CODE); | |||
plateinfo.confidence = res.second; | |||
plateinfo.setPlateName(res.first); | |||
} | |||
results.push_back(plateinfo); | |||
} | |||
return results; | |||
}//namespace pr | |||
} |
@@ -1,32 +0,0 @@ | |||
#include "../include/PlateDetection.h" | |||
#include "util.h" | |||
namespace pr{ | |||
PlateDetection::PlateDetection(std::string filename_cascade){ | |||
cascade.load(filename_cascade); | |||
}; | |||
void PlateDetection::plateDetectionRough(cv::Mat InputImage,std::vector<pr::PlateInfo> &plateInfos,int min_w,int max_w){ | |||
cv::Mat processImage; | |||
cv::cvtColor(InputImage,processImage,cv::COLOR_BGR2GRAY); | |||
std::vector<cv::Rect> platesRegions; | |||
cv::Size minSize(min_w,min_w/4); | |||
cv::Size maxSize(max_w,max_w/4); | |||
cascade.detectMultiScale( processImage, platesRegions, | |||
1.1, 3, cv::CASCADE_SCALE_IMAGE,minSize,maxSize); | |||
for(auto plate:platesRegions) | |||
{ | |||
int zeroadd_w = static_cast<int>(plate.width*0.30); | |||
int zeroadd_h = static_cast<int>(plate.height*2); | |||
int zeroadd_x = static_cast<int>(plate.width*0.15); | |||
int zeroadd_y = static_cast<int>(plate.height*1); | |||
plate.x-=zeroadd_x; | |||
plate.y-=zeroadd_y; | |||
plate.height += zeroadd_h; | |||
plate.width += zeroadd_w; | |||
cv::Mat plateImage = util::cropFromImage(InputImage,plate); | |||
PlateInfo plateInfo(plateImage,plate); | |||
plateInfos.push_back(plateInfo); | |||
} | |||
} | |||
}//namespace pr |
@@ -1,404 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 16/10/2017. | |||
// | |||
#include "../include/PlateSegmentation.h" | |||
#include "../include/niBlackThreshold.h" | |||
//#define DEBUG | |||
namespace pr{ | |||
PlateSegmentation::PlateSegmentation(std::string prototxt,std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat PlateSegmentation::classifyResponse(const cv::Mat &cropped){ | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(cropped, 1/255.0, cv::Size(22,22), cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
return net.forward(); | |||
} | |||
void drawHist(float* seq,int size,const char* name){ | |||
cv::Mat image(300,size,CV_8U); | |||
image.setTo(0); | |||
float* start =seq; | |||
float* end = seq+size; | |||
float l = *std::max_element(start,end); | |||
for(int i = 0;i<size;i++) | |||
{ | |||
int p = int(float(seq[i])/l*300); | |||
cv::line(image,cv::Point(i,300),cv::Point(i,300-p),cv::Scalar(255,255,255)); | |||
} | |||
cv::resize(image,image,cv::Size(600,100)); | |||
cv::imshow(name,image); | |||
} | |||
inline void computeSafeMargin(int &val,const int &rows){ | |||
val = std::min(val,rows); | |||
val = std::max(val,0); | |||
} | |||
cv::Rect boxFromCenter(const cv::Point center,int left,int right,int top,int bottom,cv::Size bdSize) | |||
{ | |||
cv::Point p1(center.x - left ,center.y - top); | |||
cv::Point p2( center.x + right, center.y + bottom); | |||
p1.x = std::max(0,p1.x); | |||
p1.y = std::max(0,p1.y); | |||
p2.x = std::min(p2.x,bdSize.width-1); | |||
p2.y = std::min(p2.y,bdSize.height-1); | |||
cv::Rect rect(p1,p2); | |||
return rect; | |||
} | |||
cv::Rect boxPadding(cv::Rect rect,int left,int right,int top,int bottom,cv::Size bdSize) | |||
{ | |||
cv::Point center(rect.x+(rect.width>>1),rect.y + (rect.height>>1)); | |||
int rebuildLeft = (rect.width>>1 )+ left; | |||
int rebuildRight = (rect.width>>1 )+ right; | |||
int rebuildTop = (rect.height>>1 )+ top; | |||
int rebuildBottom = (rect.height>>1 )+ bottom; | |||
return boxFromCenter(center,rebuildLeft,rebuildRight,rebuildTop,rebuildBottom,bdSize); | |||
} | |||
void PlateSegmentation:: refineRegion(cv::Mat &plateImage,const std::vector<int> &candidatePts,const int padding,std::vector<cv::Rect> &rects){ | |||
int w = candidatePts[5] - candidatePts[4]; | |||
int cols = plateImage.cols; | |||
int rows = plateImage.rows; | |||
for(int i = 0 ; i < candidatePts.size() ; i++) | |||
{ | |||
int left = 0; | |||
int right = 0 ; | |||
if(i == 0 ){ | |||
left= candidatePts[i]; | |||
right = left+w+padding; | |||
} | |||
else { | |||
left = candidatePts[i] - padding; | |||
right = left + w + padding * 2; | |||
} | |||
computeSafeMargin(right,cols); | |||
computeSafeMargin(left,cols); | |||
cv::Rect roi(left,0,right - left,rows-1); | |||
cv::Mat roiImage; | |||
plateImage(roi).copyTo(roiImage); | |||
if (i>=1) | |||
{ | |||
cv::Mat roi_thres; | |||
// cv::threshold(roiImage,roi_thres,0,255,cv::THRESH_OTSU|cv::THRESH_BINARY); | |||
niBlackThreshold(roiImage,roi_thres,255,cv::THRESH_BINARY,15,0.27,BINARIZATION_NIBLACK); | |||
std::vector<std::vector<cv::Point>> contours; | |||
cv::findContours(roi_thres,contours,cv::RETR_LIST,cv::CHAIN_APPROX_SIMPLE); | |||
cv::Point boxCenter(roiImage.cols>>1,roiImage.rows>>1); | |||
cv::Rect final_bdbox; | |||
cv::Point final_center; | |||
int final_dist = INT_MAX; | |||
for(auto contour:contours) | |||
{ | |||
cv::Rect bdbox = cv::boundingRect(contour); | |||
cv::Point center(bdbox.x+(bdbox.width>>1),bdbox.y + (bdbox.height>>1)); | |||
int dist = (center.x - boxCenter.x)*(center.x - boxCenter.x); | |||
if(dist<final_dist and bdbox.height > rows>>1) | |||
{ final_dist =dist; | |||
final_center = center; | |||
final_bdbox = bdbox; | |||
} | |||
} | |||
//rebuild box | |||
if(final_bdbox.height/ static_cast<float>(final_bdbox.width) > 3.5 && final_bdbox.width*final_bdbox.height<10) | |||
final_bdbox = boxFromCenter(final_center,8,8,(rows>>1)-3 , (rows>>1) - 2,roiImage.size()); | |||
else { | |||
if(i == candidatePts.size()-1) | |||
final_bdbox = boxPadding(final_bdbox, padding/2, padding, padding/2, padding/2, roiImage.size()); | |||
else | |||
final_bdbox = boxPadding(final_bdbox, padding, padding, padding, padding, roiImage.size()); | |||
// std::cout<<final_bdbox<<std::endl; | |||
// std::cout<<roiImage.size()<<std::endl; | |||
#ifdef DEBUG | |||
cv::imshow("char_thres",roi_thres); | |||
cv::imshow("char",roiImage(final_bdbox)); | |||
cv::waitKey(0); | |||
#endif | |||
} | |||
final_bdbox.x += left; | |||
rects.push_back(final_bdbox); | |||
// | |||
} | |||
else | |||
{ | |||
rects.push_back(roi); | |||
} | |||
// else | |||
// { | |||
// | |||
// } | |||
// cv::GaussianBlur(roiImage,roiImage,cv::Size(7,7),3); | |||
// | |||
// cv::imshow("image",roiImage); | |||
// cv::waitKey(0); | |||
} | |||
} | |||
void avgfilter(float *angle_list,int size,int windowsSize) { | |||
float *filterd = new float[size]; | |||
for(int i = 0 ; i < size ; i++) filterd [i] = angle_list[i]; | |||
// memcpy(filterd,angle_list,size); | |||
cv::Mat kernal_gaussian = cv::getGaussianKernel(windowsSize,3,CV_32F); | |||
float *kernal = (float*)kernal_gaussian.data; | |||
// kernal+=windowsSize; | |||
int r = windowsSize/2; | |||
for (int i = 0; i < size; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
if(i+j-r>0&&i+j+r<size-1) | |||
avg += filterd[i + j-r]*kernal[j]; | |||
} | |||
// avg = avg / windowsSize; | |||
angle_list[i] = avg; | |||
} | |||
delete filterd; | |||
} | |||
void PlateSegmentation::templateMatchFinding(const cv::Mat &respones,int windowsWidth,std::pair<float,std::vector<int>> &candidatePts){ | |||
int rows = respones.rows; | |||
int cols = respones.cols; | |||
float *data = (float*)respones.data; | |||
float *engNum_prob = data; | |||
float *false_prob = data+cols; | |||
float *ch_prob = data+cols*2; | |||
avgfilter(engNum_prob,cols,5); | |||
avgfilter(false_prob,cols,5); | |||
// avgfilter(ch_prob,cols,5); | |||
std::vector<int> candidate_pts(7); | |||
#ifdef DEBUG | |||
drawHist(engNum_prob,cols,"engNum_prob"); | |||
drawHist(false_prob,cols,"false_prob"); | |||
drawHist(ch_prob,cols,"ch_prob"); | |||
cv::waitKey(0); | |||
#endif | |||
int cp_list[7]; | |||
float loss_selected = -10; | |||
for(int start = 0 ; start < 20 ; start+=2) | |||
for(int width = windowsWidth-5; width < windowsWidth+5 ; width++ ){ | |||
for(int interval = windowsWidth/2; interval < windowsWidth; interval++) | |||
{ | |||
int cp1_ch = start; | |||
int cp2_p0 = cp1_ch+ width; | |||
int cp3_p1 = cp2_p0+ width + interval; | |||
int cp4_p2 = cp3_p1 + width; | |||
int cp5_p3 = cp4_p2 + width+1; | |||
int cp6_p4 = cp5_p3 + width+2; | |||
int cp7_p5= cp6_p4+ width+2; | |||
int md1 = (cp1_ch+cp2_p0)>>1; | |||
int md2 = (cp2_p0+cp3_p1)>>1; | |||
int md3 = (cp3_p1+cp4_p2)>>1; | |||
int md4 = (cp4_p2+cp5_p3)>>1; | |||
int md5 = (cp5_p3+cp6_p4)>>1; | |||
int md6 = (cp6_p4+cp7_p5)>>1; | |||
if(cp7_p5>=cols) | |||
continue; | |||
// float loss = ch_prob[cp1_ch]+ | |||
// engNum_prob[cp2_p0] +engNum_prob[cp3_p1]+engNum_prob[cp4_p2]+engNum_prob[cp5_p3]+engNum_prob[cp6_p4] +engNum_prob[cp7_p5] | |||
// + (false_prob[md2]+false_prob[md3]+false_prob[md4]+false_prob[md5]+false_prob[md5] + false_prob[md6]); | |||
float loss = ch_prob[cp1_ch]*3 -(false_prob[cp3_p1]+false_prob[cp4_p2]+false_prob[cp5_p3]+false_prob[cp6_p4]+false_prob[cp7_p5]); | |||
if(loss>loss_selected) | |||
{ | |||
loss_selected = loss; | |||
cp_list[0]= cp1_ch; | |||
cp_list[1]= cp2_p0; | |||
cp_list[2]= cp3_p1; | |||
cp_list[3]= cp4_p2; | |||
cp_list[4]= cp5_p3; | |||
cp_list[5]= cp6_p4; | |||
cp_list[6]= cp7_p5; | |||
} | |||
} | |||
} | |||
candidate_pts[0] = cp_list[0]; | |||
candidate_pts[1] = cp_list[1]; | |||
candidate_pts[2] = cp_list[2]; | |||
candidate_pts[3] = cp_list[3]; | |||
candidate_pts[4] = cp_list[4]; | |||
candidate_pts[5] = cp_list[5]; | |||
candidate_pts[6] = cp_list[6]; | |||
candidatePts.first = loss_selected; | |||
candidatePts.second = candidate_pts; | |||
}; | |||
void PlateSegmentation::segmentPlateBySlidingWindows(cv::Mat &plateImage,int windowsWidth,int stride,cv::Mat &respones){ | |||
// cv::resize(plateImage,plateImage,cv::Size(136,36)); | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage,plateImageGray,cv::COLOR_BGR2GRAY); | |||
int padding = plateImage.cols-136 ; | |||
// int padding = 0 ; | |||
int height = plateImage.rows - 1; | |||
int width = plateImage.cols - 1 - padding; | |||
for(int i = 0 ; i < width - windowsWidth +1 ; i +=stride) | |||
{ | |||
cv::Rect roi(i,0,windowsWidth,height); | |||
cv::Mat roiImage = plateImageGray(roi); | |||
cv::Mat response = classifyResponse(roiImage); | |||
respones.push_back(response); | |||
} | |||
respones = respones.t(); | |||
// std::pair<float,std::vector<int>> images ; | |||
// | |||
// | |||
// std::cout<<images.first<<" "; | |||
// for(int i = 0 ; i < images.second.size() ; i++) | |||
// { | |||
// std::cout<<images.second[i]<<" "; | |||
//// cv::line(plateImageGray,cv::Point(images.second[i],0),cv::Point(images.second[i],36),cv::Scalar(255,255,255),1); //DEBUG | |||
// } | |||
// int w = images.second[5] - images.second[4]; | |||
// cv::line(plateImageGray,cv::Point(images.second[5]+w,0),cv::Point(images.second[5]+w,36),cv::Scalar(255,255,255),1); //DEBUG | |||
// cv::line(plateImageGray,cv::Point(images.second[5]+2*w,0),cv::Point(images.second[5]+2*w,36),cv::Scalar(255,255,255),1); //DEBUG | |||
// RefineRegion(plateImageGray,images.second,5); | |||
// std::cout<<w<<std::endl; | |||
// std::cout<<<<std::endl; | |||
// cv::resize(plateImageGray,plateImageGray,cv::Size(600,100)); | |||
} | |||
// void filterGaussian(cv::Mat &respones,float sigma){ | |||
// | |||
// } | |||
void PlateSegmentation::segmentPlatePipline(PlateInfo &plateInfo,int stride,std::vector<cv::Rect> &Char_rects){ | |||
cv::Mat plateImage = plateInfo.getPlateImage(); // get src image . | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage,plateImageGray,cv::COLOR_BGR2GRAY); | |||
//do binarzation | |||
// | |||
std::pair<float,std::vector<int>> sections ; // segment points variables . | |||
cv::Mat respones; //three response of every sub region from origin image . | |||
segmentPlateBySlidingWindows(plateImage,DEFAULT_WIDTH,1,respones); | |||
templateMatchFinding(respones,DEFAULT_WIDTH/stride,sections); | |||
for(int i = 0; i < sections.second.size() ; i++) | |||
{ | |||
sections.second[i]*=stride; | |||
} | |||
// std::cout<<sections<<std::endl; | |||
refineRegion(plateImageGray,sections.second,5,Char_rects); | |||
#ifdef DEBUG | |||
for(int i = 0 ; i < sections.second.size() ; i++) | |||
{ | |||
std::cout<<sections.second[i]<<" "; | |||
cv::line(plateImageGray,cv::Point(sections.second[i],0),cv::Point(sections.second[i],36),cv::Scalar(255,255,255),1); //DEBUG | |||
} | |||
cv::imshow("plate",plateImageGray); | |||
cv::waitKey(0); | |||
#endif | |||
// cv::waitKey(0); | |||
} | |||
void PlateSegmentation::ExtractRegions(PlateInfo &plateInfo,std::vector<cv::Rect> &rects){ | |||
cv::Mat plateImage = plateInfo.getPlateImage(); | |||
for(int i = 0 ; i < rects.size() ; i++){ | |||
cv::Mat charImage; | |||
plateImage(rects[i]).copyTo(charImage); | |||
if(charImage.channels()) | |||
cv::cvtColor(charImage,charImage,cv::COLOR_BGR2GRAY); | |||
// cv::imshow("image",charImage); | |||
// cv::waitKey(0); | |||
cv::equalizeHist(charImage,charImage); | |||
// | |||
// | |||
std::pair<CharType,cv::Mat> char_instance; | |||
if(i == 0 ){ | |||
char_instance.first = CHINESE; | |||
} else if(i == 1){ | |||
char_instance.first = LETTER; | |||
} | |||
else{ | |||
char_instance.first = LETTER_NUMS; | |||
} | |||
char_instance.second = charImage; | |||
plateInfo.appendPlateChar(char_instance); | |||
} | |||
} | |||
}//namespace pr |
@@ -1,23 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 22/10/2017. | |||
// | |||
#include "../include/Recognizer.h" | |||
namespace pr{ | |||
void GeneralRecognizer::SegmentBasedSequenceRecognition(PlateInfo &plateinfo){ | |||
for(auto char_instance:plateinfo.plateChars) | |||
{ | |||
std::pair<CharType,cv::Mat> res; | |||
if(char_instance.second.rows*char_instance.second.cols>40) { | |||
label code_table = recognizeCharacter(char_instance.second); | |||
res.first = char_instance.first; | |||
code_table.copyTo(res.second); | |||
plateinfo.appendPlateCoding(res); | |||
} else{ | |||
res.first = INVALID; | |||
plateinfo.appendPlateCoding(res); | |||
} | |||
} | |||
} | |||
} |
@@ -1,89 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 28/11/2017. | |||
// | |||
#include "../include/SegmentationFreeRecognizer.h" | |||
namespace pr { | |||
SegmentationFreeRecognizer::SegmentationFreeRecognizer(std::string prototxt, std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
inline int judgeCharRange(int id) | |||
{return id<31 || id>63; | |||
} | |||
std::pair<std::string,float> decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table,float thres) | |||
{ | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
std::vector<std::pair<int,float>> seq_decode_res; | |||
for(int i = 0 ; i < sequencelength; i++) { | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
int id = std::max_element(fstart,fstart+labellength) - fstart; | |||
seq[i] =id; | |||
} | |||
float sum_confidence = 0; | |||
int plate_lenghth = 0 ; | |||
for(int i = 0 ; i< sequencelength ; i++) | |||
{ | |||
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1])) | |||
{ | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
float confidence = *(fstart+seq[i]); | |||
std::pair<int,float> pair_(seq[i],confidence); | |||
seq_decode_res.push_back(pair_); | |||
} | |||
} | |||
int i = 0; | |||
if (seq_decode_res.size()>1 && judgeCharRange(seq_decode_res[0].first) && judgeCharRange(seq_decode_res[1].first)) | |||
{ | |||
i=2; | |||
int c = seq_decode_res[0].second<seq_decode_res[1].second; | |||
name+=mapping_table[seq_decode_res[c].first]; | |||
sum_confidence+=seq_decode_res[c].second; | |||
plate_lenghth++; | |||
} | |||
for(; i < seq_decode_res.size();i++) | |||
{ | |||
name+=mapping_table[seq_decode_res[i].first]; | |||
sum_confidence +=seq_decode_res[i].second; | |||
plate_lenghth++; | |||
} | |||
std::pair<std::string,float> res; | |||
res.second = sum_confidence/plate_lenghth; | |||
res.first = name; | |||
return res; | |||
} | |||
std::string decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table) | |||
{ | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
for(int i = 0 ; i < sequencelength; i++) { | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
int id = std::max_element(fstart,fstart+labellength) - fstart; | |||
seq[i] =id; | |||
} | |||
for(int i = 0 ; i< sequencelength ; i++) | |||
{ | |||
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1])) | |||
name+=mapping_table[seq[i]]; | |||
} | |||
return name; | |||
} | |||
std::pair<std::string,float> SegmentationFreeRecognizer::SegmentationFreeForSinglePlate(cv::Mat Image,std::vector<std::string> mapping_table) { | |||
cv::transpose(Image,Image); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(Image, 1 / 255.0, cv::Size(40,160)); | |||
net.setInput(inputBlob, "data"); | |||
cv::Mat char_prob_mat = net.forward(); | |||
return decodeResults(char_prob_mat,mapping_table,0.00); | |||
} | |||
} |
@@ -1,67 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 04/04/2017. | |||
// | |||
#include <opencv2/opencv.hpp> | |||
namespace util{ | |||
template <class T> void swap ( T& a, T& b ) | |||
{ | |||
T c(a); a=b; b=c; | |||
} | |||
template <class T> T min(T& a,T& b ) | |||
{ | |||
return a>b?b:a; | |||
} | |||
cv::Mat cropFromImage(const cv::Mat &image,cv::Rect rect){ | |||
int w = image.cols-1; | |||
int h = image.rows-1; | |||
rect.x = std::max(rect.x,0); | |||
rect.y = std::max(rect.y,0); | |||
rect.height = std::min(rect.height,h-rect.y); | |||
rect.width = std::min(rect.width,w-rect.x); | |||
cv::Mat temp(rect.size(), image.type()); | |||
cv::Mat cropped; | |||
temp = image(rect); | |||
temp.copyTo(cropped); | |||
return cropped; | |||
} | |||
cv::Mat cropBox2dFromImage(const cv::Mat &image,cv::RotatedRect rect) | |||
{ | |||
cv::Mat M, rotated, cropped; | |||
float angle = rect.angle; | |||
cv::Size rect_size(rect.size.width,rect.size.height); | |||
if (rect.angle < -45.) { | |||
angle += 90.0; | |||
swap(rect_size.width, rect_size.height); | |||
} | |||
M = cv::getRotationMatrix2D(rect.center, angle, 1.0); | |||
cv::warpAffine(image, rotated, M, image.size(), cv::INTER_CUBIC); | |||
cv::getRectSubPix(rotated, rect_size, rect.center, cropped); | |||
return cropped; | |||
} | |||
cv::Mat calcHist(const cv::Mat &image) | |||
{ | |||
cv::Mat hsv; | |||
std::vector<cv::Mat> hsv_planes; | |||
cv::cvtColor(image,hsv,cv::COLOR_BGR2HSV); | |||
cv::split(hsv,hsv_planes); | |||
cv::Mat hist; | |||
int histSize = 256; | |||
float range[] = {0,255}; | |||
const float* histRange = {range}; | |||
cv::calcHist( &hsv_planes[0], 1, 0, cv::Mat(), hist, 1, &histSize, &histRange,true, true); | |||
return hist; | |||
} | |||
float computeSimilir(const cv::Mat &A,const cv::Mat &B) | |||
{ | |||
cv::Mat histA,histB; | |||
histA = calcHist(A); | |||
histB = calcHist(B); | |||
return cv::compareHist(histA,histB,CV_COMP_CORREL); | |||
} | |||
}//namespace util |
@@ -1,28 +0,0 @@ | |||
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EndProject | |||
Global | |||
GlobalSection(SolutionConfigurationPlatforms) = preSolution | |||
Debug|x64 = Debug|x64 | |||
Debug|x86 = Debug|x86 | |||
Release|x64 = Release|x64 | |||
Release|x86 = Release|x86 | |||
EndGlobalSection | |||
GlobalSection(ProjectConfigurationPlatforms) = postSolution | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Debug|x64.ActiveCfg = Debug|x64 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Debug|x64.Build.0 = Debug|x64 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Debug|x86.ActiveCfg = Debug|Win32 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Debug|x86.Build.0 = Debug|Win32 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Release|x64.ActiveCfg = Release|x64 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Release|x64.Build.0 = Release|x64 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Release|x86.ActiveCfg = Release|Win32 | |||
{69FAD143-D7C9-4804-A186-90254BD80549}.Release|x86.Build.0 = Release|Win32 | |||
EndGlobalSection | |||
GlobalSection(SolutionProperties) = preSolution | |||
HideSolutionNode = FALSE | |||
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EndGlobal |
@@ -1,181 +0,0 @@ | |||
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<ClInclude Include="..\lpr\include\PlateSegmentation.h" /> | |||
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<ClInclude Include="..\lpr\include\SegmentationFreeRecognizer.h" /> | |||
<ClInclude Include="..\lpr\src\util.h" /> | |||
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@@ -1,4 +0,0 @@ | |||
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<PropertyGroup /> | |||
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@@ -1,24 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 21/10/2017. | |||
// | |||
#ifndef SWIFTPR_CNNRECOGNIZER_H | |||
#define SWIFTPR_CNNRECOGNIZER_H | |||
#include "Recognizer.h" | |||
namespace pr{ | |||
class CNNRecognizer: public GeneralRecognizer{ | |||
public: | |||
const int CHAR_INPUT_W = 14; | |||
const int CHAR_INPUT_H = 30; | |||
CNNRecognizer(std::string prototxt,std::string caffemodel); | |||
label recognizeCharacter(cv::Mat character); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_CNNRECOGNIZER_H |
@@ -1,18 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/09/2017. | |||
// | |||
#ifndef SWIFTPR_FASTDESKEW_H | |||
#define SWIFTPR_FASTDESKEW_H | |||
#include <math.h> | |||
#include <opencv2/opencv.hpp> | |||
namespace pr{ | |||
cv::Mat fastdeskew(cv::Mat skewImage,int blockSize); | |||
// cv::Mat spatialTransformer(cv::Mat skewImage); | |||
}//namepace pr | |||
#endif //SWIFTPR_FASTDESKEW_H |
@@ -1,32 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/09/2017. | |||
// | |||
#ifndef SWIFTPR_FINEMAPPING_H | |||
#define SWIFTPR_FINEMAPPING_H | |||
#include <opencv2/opencv.hpp> | |||
#include <opencv2/dnn.hpp> | |||
#include <string> | |||
namespace pr{ | |||
class FineMapping{ | |||
public: | |||
FineMapping(); | |||
FineMapping(std::string prototxt,std::string caffemodel); | |||
static cv::Mat FineMappingVertical(cv::Mat InputProposal,int sliceNum=15,int upper=0,int lower=-50,int windows_size=17); | |||
cv::Mat FineMappingHorizon(cv::Mat FinedVertical,int leftPadding,int rightPadding); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_FINEMAPPING_H |
@@ -1,60 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 22/10/2017. | |||
// | |||
#ifndef SWIFTPR_PIPLINE_H | |||
#define SWIFTPR_PIPLINE_H | |||
#include "PlateDetection.h" | |||
#include "PlateSegmentation.h" | |||
#include "CNNRecognizer.h" | |||
#include "PlateInfo.h" | |||
#include "FastDeskew.h" | |||
#include "FineMapping.h" | |||
#include "Recognizer.h" | |||
#include "SegmentationFreeRecognizer.h" | |||
namespace pr{ | |||
const std::vector<std::string> CH_PLATE_CODE{"京", "沪", "津", "渝", "冀", "晋", "蒙", "辽", "吉", "黑", "苏", "浙", "皖", "闽", "赣", "鲁", "豫", "鄂", "湘", "粤", "桂", | |||
"琼", "川", "贵", "云", "藏", "陕", "甘", "青", "宁", "新", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", | |||
"B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "U", "V", "W", "X", | |||
"Y", "Z","港","学","使","警","澳","挂","军","北","南","广","沈","兰","成","济","海","民","航","空"}; | |||
const int SEGMENTATION_FREE_METHOD = 0; | |||
const int SEGMENTATION_BASED_METHOD = 1; | |||
class PipelinePR{ | |||
public: | |||
GeneralRecognizer *generalRecognizer; | |||
PlateDetection *plateDetection; | |||
PlateSegmentation *plateSegmentation; | |||
FineMapping *fineMapping; | |||
SegmentationFreeRecognizer *segmentationFreeRecognizer; | |||
PipelinePR(std::string detector_filename, | |||
std::string finemapping_prototxt,std::string finemapping_caffemodel, | |||
std::string segmentation_prototxt,std::string segmentation_caffemodel, | |||
std::string charRecognization_proto,std::string charRecognization_caffemodel, | |||
std::string segmentationfree_proto,std::string segmentationfree_caffemodel | |||
); | |||
~PipelinePR(); | |||
std::vector<std::string> plateRes; | |||
std::vector<PlateInfo> RunPiplineAsImage(cv::Mat plateImage,int method); | |||
}; | |||
} | |||
#endif //SWIFTPR_PIPLINE_H |
@@ -1,33 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/09/2017. | |||
// | |||
#ifndef SWIFTPR_PLATEDETECTION_H | |||
#define SWIFTPR_PLATEDETECTION_H | |||
#include <opencv2/opencv.hpp> | |||
#include <PlateInfo.h> | |||
#include <vector> | |||
namespace pr{ | |||
class PlateDetection{ | |||
public: | |||
PlateDetection(std::string filename_cascade); | |||
PlateDetection(); | |||
void LoadModel(std::string filename_cascade); | |||
void plateDetectionRough(cv::Mat InputImage,std::vector<pr::PlateInfo> &plateInfos,int min_w=36,int max_w=800); | |||
// std::vector<pr::PlateInfo> plateDetectionRough(cv::Mat InputImage,int min_w= 60,int max_h = 400); | |||
// std::vector<pr::PlateInfo> plateDetectionRoughByMultiScaleEdge(cv::Mat InputImage); | |||
private: | |||
cv::CascadeClassifier cascade; | |||
}; | |||
}// namespace pr | |||
#endif //SWIFTPR_PLATEDETECTION_H |
@@ -1,126 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/09/2017. | |||
// | |||
#ifndef SWIFTPR_PLATEINFO_H | |||
#define SWIFTPR_PLATEINFO_H | |||
#include <opencv2/opencv.hpp> | |||
namespace pr { | |||
typedef std::vector<cv::Mat> Character; | |||
enum PlateColor { BLUE, YELLOW, WHITE, GREEN, BLACK,UNKNOWN}; | |||
enum CharType {CHINESE,LETTER,LETTER_NUMS,INVALID}; | |||
class PlateInfo { | |||
public: | |||
std::vector<std::pair<CharType,cv::Mat>> plateChars; | |||
std::vector<std::pair<CharType,cv::Mat>> plateCoding; | |||
float confidence = 0; | |||
PlateInfo(const cv::Mat &plateData, std::string plateName, cv::Rect plateRect, PlateColor plateType) { | |||
licensePlate = plateData; | |||
name = plateName; | |||
ROI = plateRect; | |||
Type = plateType; | |||
} | |||
PlateInfo(const cv::Mat &plateData, cv::Rect plateRect, PlateColor plateType) { | |||
licensePlate = plateData; | |||
ROI = plateRect; | |||
Type = plateType; | |||
} | |||
PlateInfo(const cv::Mat &plateData, cv::Rect plateRect) { | |||
licensePlate = plateData; | |||
ROI = plateRect; | |||
} | |||
PlateInfo() { | |||
} | |||
cv::Mat getPlateImage() { | |||
return licensePlate; | |||
} | |||
void setPlateImage(cv::Mat plateImage){ | |||
licensePlate = plateImage; | |||
} | |||
cv::Rect getPlateRect() { | |||
return ROI; | |||
} | |||
void setPlateRect(cv::Rect plateRect) { | |||
ROI = plateRect; | |||
} | |||
cv::String getPlateName() { | |||
return name; | |||
} | |||
void setPlateName(cv::String plateName) { | |||
name = plateName; | |||
} | |||
int getPlateType() { | |||
return Type; | |||
} | |||
void appendPlateChar(const std::pair<CharType,cv::Mat> &plateChar) | |||
{ | |||
plateChars.push_back(plateChar); | |||
} | |||
void appendPlateCoding(const std::pair<CharType,cv::Mat> &charProb){ | |||
plateCoding.push_back(charProb); | |||
} | |||
// cv::Mat getPlateChars(int id) { | |||
// if(id<PlateChars.size()) | |||
// return PlateChars[id]; | |||
// } | |||
std::string decodePlateNormal(std::vector<std::string> mappingTable) { | |||
std::string decode; | |||
for(auto plate:plateCoding) { | |||
float *prob = (float *)plate.second.data; | |||
if(plate.first == CHINESE) { | |||
decode += mappingTable[std::max_element(prob,prob+31) - prob]; | |||
confidence+=*std::max_element(prob,prob+31); | |||
// std::cout<<*std::max_element(prob,prob+31)<<std::endl; | |||
} | |||
else if(plate.first == LETTER) { | |||
decode += mappingTable[std::max_element(prob+41,prob+65)- prob]; | |||
confidence+=*std::max_element(prob+41,prob+65); | |||
} | |||
else if(plate.first == LETTER_NUMS) { | |||
decode += mappingTable[std::max_element(prob+31,prob+65)- prob]; | |||
confidence+=*std::max_element(prob+31,prob+65); | |||
// std::cout<<*std::max_element(prob+31,prob+65)<<std::endl; | |||
} | |||
else if(plate.first == INVALID) | |||
{ | |||
decode+='*'; | |||
} | |||
} | |||
name = decode; | |||
confidence/=7; | |||
return decode; | |||
} | |||
private: | |||
cv::Mat licensePlate; | |||
cv::Rect ROI; | |||
std::string name ; | |||
PlateColor Type; | |||
}; | |||
} | |||
#endif //SWIFTPR_PLATEINFO_H |
@@ -1,35 +0,0 @@ | |||
#ifndef SWIFTPR_PLATESEGMENTATION_H | |||
#define SWIFTPR_PLATESEGMENTATION_H | |||
#include "opencv2/opencv.hpp" | |||
#include <opencv2/dnn.hpp> | |||
#include "PlateInfo.h" | |||
namespace pr{ | |||
class PlateSegmentation{ | |||
public: | |||
const int PLATE_NORMAL = 6; | |||
const int PLATE_NORMAL_GREEN = 7; | |||
const int DEFAULT_WIDTH = 20; | |||
PlateSegmentation(std::string phototxt,std::string caffemodel); | |||
PlateSegmentation(){} | |||
void segmentPlatePipline(PlateInfo &plateInfo,int stride,std::vector<cv::Rect> &Char_rects); | |||
void segmentPlateBySlidingWindows(cv::Mat &plateImage,int windowsWidth,int stride,cv::Mat &respones); | |||
void templateMatchFinding(const cv::Mat &respones,int windowsWidth,std::pair<float,std::vector<int>> &candidatePts); | |||
void refineRegion(cv::Mat &plateImage,const std::vector<int> &candidatePts,const int padding,std::vector<cv::Rect> &rects); | |||
void ExtractRegions(PlateInfo &plateInfo,std::vector<cv::Rect> &rects); | |||
cv::Mat classifyResponse(const cv::Mat &cropped); | |||
private: | |||
cv::dnn::Net net; | |||
// RefineRegion() | |||
}; | |||
}//namespace pr | |||
#endif //SWIFTPR_PLATESEGMENTATION_H |
@@ -1,23 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/10/2017. | |||
// | |||
#ifndef SWIFTPR_RECOGNIZER_H | |||
#define SWIFTPR_RECOGNIZER_H | |||
#include "PlateInfo.h" | |||
#include "opencv2/dnn.hpp" | |||
namespace pr{ | |||
typedef cv::Mat label; | |||
class GeneralRecognizer{ | |||
public: | |||
virtual label recognizeCharacter(cv::Mat character) = 0; | |||
// virtual cv::Mat SegmentationFreeForSinglePlate(cv::Mat plate) = 0; | |||
void SegmentBasedSequenceRecognition(PlateInfo &plateinfo); | |||
void SegmentationFreeSequenceRecognition(PlateInfo &plateInfo); | |||
}; | |||
} | |||
#endif //SWIFTPR_RECOGNIZER_H |
@@ -1,28 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 28/11/2017. | |||
// | |||
#ifndef SWIFTPR_SEGMENTATIONFREERECOGNIZER_H | |||
#define SWIFTPR_SEGMENTATIONFREERECOGNIZER_H | |||
#include "Recognizer.h" | |||
namespace pr{ | |||
class SegmentationFreeRecognizer{ | |||
public: | |||
const int CHAR_INPUT_W = 14; | |||
const int CHAR_INPUT_H = 30; | |||
const int CHAR_LEN = 84; | |||
SegmentationFreeRecognizer(std::string prototxt,std::string caffemodel); | |||
std::pair<std::string,float> SegmentationFreeForSinglePlate(cv::Mat plate,std::vector<std::string> mapping_table); | |||
private: | |||
cv::dnn::Net net; | |||
}; | |||
} | |||
#endif //SWIFTPR_SEGMENTATIONFREERECOGNIZER_H |
@@ -1,109 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 26/10/2017. | |||
// | |||
#ifndef SWIFTPR_NIBLACKTHRESHOLD_H | |||
#define SWIFTPR_NIBLACKTHRESHOLD_H | |||
#include <opencv2/opencv.hpp> | |||
using namespace cv; | |||
enum LocalBinarizationMethods{ | |||
BINARIZATION_NIBLACK = 0, //!< Classic Niblack binarization. See @cite Niblack1985 . | |||
BINARIZATION_SAUVOLA = 1, //!< Sauvola's technique. See @cite Sauvola1997 . | |||
BINARIZATION_WOLF = 2, //!< Wolf's technique. See @cite Wolf2004 . | |||
BINARIZATION_NICK = 3 //!< NICK technique. See @cite Khurshid2009 . | |||
}; | |||
void niBlackThreshold( InputArray _src, OutputArray _dst, double maxValue, | |||
int type, int blockSize, double k, int binarizationMethod ) | |||
{ | |||
// Input grayscale image | |||
Mat src = _src.getMat(); | |||
CV_Assert(src.channels() == 1); | |||
CV_Assert(blockSize % 2 == 1 && blockSize > 1); | |||
if (binarizationMethod == BINARIZATION_SAUVOLA) { | |||
CV_Assert(src.depth() == CV_8U); | |||
} | |||
type &= THRESH_MASK; | |||
// Compute local threshold (T = mean + k * stddev) | |||
// using mean and standard deviation in the neighborhood of each pixel | |||
// (intermediate calculations are done with floating-point precision) | |||
Mat test; | |||
Mat thresh; | |||
{ | |||
// note that: Var[X] = E[X^2] - E[X]^2 | |||
Mat mean, sqmean, variance, stddev, sqrtVarianceMeanSum; | |||
double srcMin, stddevMax; | |||
boxFilter(src, mean, CV_32F, Size(blockSize, blockSize), | |||
Point(-1,-1), true, BORDER_REPLICATE); | |||
sqrBoxFilter(src, sqmean, CV_32F, Size(blockSize, blockSize), | |||
Point(-1,-1), true, BORDER_REPLICATE); | |||
variance = sqmean - mean.mul(mean); | |||
sqrt(variance, stddev); | |||
switch (binarizationMethod) | |||
{ | |||
case BINARIZATION_NIBLACK: | |||
thresh = mean + stddev * static_cast<float>(k); | |||
break; | |||
case BINARIZATION_SAUVOLA: | |||
thresh = mean.mul(1. + static_cast<float>(k) * (stddev / 128.0 - 1.)); | |||
break; | |||
case BINARIZATION_WOLF: | |||
minMaxIdx(src, &srcMin,NULL); | |||
minMaxIdx(stddev, NULL, &stddevMax); | |||
thresh = mean - static_cast<float>(k) * (mean - srcMin - stddev.mul(mean - srcMin) / stddevMax); | |||
break; | |||
case BINARIZATION_NICK: | |||
sqrt(variance + sqmean, sqrtVarianceMeanSum); | |||
thresh = mean + static_cast<float>(k) * sqrtVarianceMeanSum; | |||
break; | |||
default: | |||
// CV_Error( CV_StsBadArg, "Unknown binarization method" ); | |||
CV_Error(-5, "Unknown binarization method"); | |||
break; | |||
} | |||
thresh.convertTo(thresh, src.depth()); | |||
thresh.convertTo(test, src.depth()); | |||
// | |||
// cv::imshow("imagex",test); | |||
// cv::waitKey(0); | |||
} | |||
// Prepare output image | |||
_dst.create(src.size(), src.type()); | |||
Mat dst = _dst.getMat(); | |||
CV_Assert(src.data != dst.data); // no inplace processing | |||
// Apply thresholding: ( pixel > threshold ) ? foreground : background | |||
Mat mask; | |||
switch (type) | |||
{ | |||
case THRESH_BINARY: // dst = (src > thresh) ? maxval : 0 | |||
case THRESH_BINARY_INV: // dst = (src > thresh) ? 0 : maxval | |||
compare(src, thresh, mask, (type == THRESH_BINARY ? CMP_GT : CMP_LE)); | |||
dst.setTo(0); | |||
dst.setTo(maxValue, mask); | |||
break; | |||
case THRESH_TRUNC: // dst = (src > thresh) ? thresh : src | |||
compare(src, thresh, mask, CMP_GT); | |||
src.copyTo(dst); | |||
thresh.copyTo(dst, mask); | |||
break; | |||
case THRESH_TOZERO: // dst = (src > thresh) ? src : 0 | |||
case THRESH_TOZERO_INV: // dst = (src > thresh) ? 0 : src | |||
compare(src, thresh, mask, (type == THRESH_TOZERO ? CMP_GT : CMP_LE)); | |||
dst.setTo(0); | |||
src.copyTo(dst, mask); | |||
break; | |||
default: | |||
// CV_Error( CV_StsBadArg, "Unknown threshold type" ); | |||
CV_Error(-5, "Unknown threshold type"); | |||
break; | |||
} | |||
} | |||
#endif //SWIFTPR_NIBLACKTHRESHOLD_H |
@@ -1,17 +0,0 @@ | |||
将/Prj-Linux/lpr/model目录下的 | |||
cascade.xml | |||
CharacterRecognization.caffemodel | |||
CharacterRecognization.prototxt | |||
HorizonalFinemapping.caffemodel | |||
HorizonalFinemapping.prototxt | |||
SegmentationFree.caffemodel | |||
SegmentationFree.prototxt | |||
放置在该目录 |
@@ -1,19 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 21/10/2017. | |||
// | |||
#include "../include/CNNRecognizer.h" | |||
namespace pr{ | |||
CNNRecognizer::CNNRecognizer(std::string prototxt,std::string caffemodel){ | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
label CNNRecognizer::recognizeCharacter(cv::Mat charImage){ | |||
if(charImage.channels()== 3) | |||
cv::cvtColor(charImage,charImage,cv::COLOR_BGR2GRAY); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(charImage, 1/255.0, cv::Size(CHAR_INPUT_W,CHAR_INPUT_H), cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
return net.forward(); | |||
} | |||
} |
@@ -1,108 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 02/10/2017. | |||
// | |||
#include <../include/FastDeskew.h> | |||
namespace pr{ | |||
const int ANGLE_MIN = 30 ; | |||
const int ANGLE_MAX = 150 ; | |||
const int PLATE_H = 36; | |||
const int PLATE_W = 136; | |||
int angle(float x,float y) | |||
{ | |||
return atan2(x,y)*180/3.1415; | |||
} | |||
std::vector<float> avgfilter(std::vector<float> angle_list,int windowsSize) { | |||
std::vector<float> angle_list_filtered(angle_list.size() - windowsSize + 1); | |||
for (int i = 0; i < angle_list.size() - windowsSize + 1; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
avg += angle_list[i + j]; | |||
} | |||
avg = avg / windowsSize; | |||
angle_list_filtered[i] = avg; | |||
} | |||
return angle_list_filtered; | |||
} | |||
void drawHist(std::vector<float> seq){ | |||
cv::Mat image(300,seq.size(),CV_8U); | |||
image.setTo(0); | |||
for(int i = 0;i<seq.size();i++) | |||
{ | |||
float l = *std::max_element(seq.begin(),seq.end()); | |||
int p = int(float(seq[i])/l*300); | |||
cv::line(image,cv::Point(i,300),cv::Point(i,300-p),cv::Scalar(255,255,255)); | |||
} | |||
cv::imshow("vis",image); | |||
} | |||
cv::Mat correctPlateImage(cv::Mat skewPlate,float angle,float maxAngle) | |||
{ | |||
cv::Mat dst; | |||
cv::Size size_o(skewPlate.cols,skewPlate.rows); | |||
int extend_padding = 0; | |||
extend_padding = static_cast<int>(skewPlate.rows*tan(cv::abs(angle)/180* 3.14) ); | |||
cv::Size size(skewPlate.cols + extend_padding ,skewPlate.rows); | |||
float interval = abs(sin((angle /180) * 3.14)* skewPlate.rows); | |||
cv::Point2f pts1[4] = {cv::Point2f(0,0),cv::Point2f(0,size_o.height),cv::Point2f(size_o.width,0),cv::Point2f(size_o.width,size_o.height)}; | |||
if(angle>0) { | |||
cv::Point2f pts2[4] = {cv::Point2f(interval, 0), cv::Point2f(0, size_o.height), | |||
cv::Point2f(size_o.width, 0), cv::Point2f(size_o.width - interval, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1,pts2); | |||
cv::warpPerspective(skewPlate,dst,M,size); | |||
} | |||
else { | |||
cv::Point2f pts2[4] = {cv::Point2f(0, 0), cv::Point2f(interval, size_o.height), cv::Point2f(size_o.width-interval, 0), | |||
cv::Point2f(size_o.width, size_o.height)}; | |||
cv::Mat M = cv::getPerspectiveTransform(pts1,pts2); | |||
cv::warpPerspective(skewPlate,dst,M,size,cv::INTER_CUBIC); | |||
} | |||
return dst; | |||
} | |||
cv::Mat fastdeskew(cv::Mat skewImage,int blockSize){ | |||
const int FILTER_WINDOWS_SIZE = 5; | |||
std::vector<float> angle_list(180); | |||
memset(angle_list.data(),0,angle_list.size()*sizeof(int)); | |||
cv::Mat bak; | |||
skewImage.copyTo(bak); | |||
if(skewImage.channels() == 3) | |||
cv::cvtColor(skewImage,skewImage,cv::COLOR_RGB2GRAY); | |||
if(skewImage.channels() == 1) | |||
{ | |||
cv::Mat eigen; | |||
cv::cornerEigenValsAndVecs(skewImage,eigen,blockSize,5); | |||
for( int j = 0; j < skewImage.rows; j+=blockSize ) | |||
{ for( int i = 0; i < skewImage.cols; i+=blockSize ) | |||
{ | |||
float x2 = eigen.at<cv::Vec6f>(j, i)[4]; | |||
float y2 = eigen.at<cv::Vec6f>(j, i)[5]; | |||
int angle_cell = angle(x2,y2); | |||
angle_list[(angle_cell + 180)%180]+=1.0; | |||
} | |||
} | |||
} | |||
std::vector<float> filtered = avgfilter(angle_list,5); | |||
int maxPos = std::max_element(filtered.begin(),filtered.end()) - filtered.begin() + FILTER_WINDOWS_SIZE/2; | |||
if(maxPos>ANGLE_MAX) | |||
maxPos = (-maxPos+90+180)%180; | |||
if(maxPos<ANGLE_MIN) | |||
maxPos-=90; | |||
maxPos=90-maxPos; | |||
cv::Mat deskewed = correctPlateImage(bak, static_cast<float>(maxPos),60.0f); | |||
return deskewed; | |||
} | |||
}//namespace pr |
@@ -1,170 +0,0 @@ | |||
#include "FineMapping.h" | |||
namespace pr{ | |||
const int FINEMAPPING_H = 60 ; | |||
const int FINEMAPPING_W = 140; | |||
const int PADDING_UP_DOWN = 30; | |||
void drawRect(cv::Mat image,cv::Rect rect) | |||
{ | |||
cv::Point p1(rect.x,rect.y); | |||
cv::Point p2(rect.x+rect.width,rect.y+rect.height); | |||
cv::rectangle(image,p1,p2,cv::Scalar(0,255,0),1); | |||
} | |||
FineMapping::FineMapping(std::string prototxt,std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat FineMapping::FineMappingHorizon(cv::Mat FinedVertical,int leftPadding,int rightPadding) | |||
{ | |||
// if(FinedVertical.channels()==1) | |||
// cv::cvtColor(FinedVertical,FinedVertical,cv::COLOR_GRAY2BGR); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(FinedVertical, 1/255.0, cv::Size(66,16), | |||
cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
cv::Mat prob = net.forward(); | |||
int front = static_cast<int>(prob.at<float>(0,0)*FinedVertical.cols); | |||
int back = static_cast<int>(prob.at<float>(0,1)*FinedVertical.cols); | |||
front -= leftPadding ; | |||
if(front<0) front = 0; | |||
back +=rightPadding; | |||
if(back>FinedVertical.cols-1) back=FinedVertical.cols - 1; | |||
cv::Mat cropped = FinedVertical.colRange(front,back).clone(); | |||
return cropped; | |||
} | |||
std::pair<int,int> FitLineRansac(std::vector<cv::Point> pts,int zeroadd = 0 ) | |||
{ | |||
std::pair<int,int> res; | |||
if(pts.size()>2) | |||
{ | |||
cv::Vec4f line; | |||
cv::fitLine(pts,line,cv::DIST_HUBER,0,0.01,0.01); | |||
float vx = line[0]; | |||
float vy = line[1]; | |||
float x = line[2]; | |||
float y = line[3]; | |||
int lefty = static_cast<int>((-x * vy / vx) + y); | |||
int righty = static_cast<int>(((136- x) * vy / vx) + y); | |||
res.first = lefty+PADDING_UP_DOWN+zeroadd; | |||
res.second = righty+PADDING_UP_DOWN+zeroadd; | |||
return res; | |||
} | |||
res.first = zeroadd; | |||
res.second = zeroadd; | |||
return res; | |||
} | |||
cv::Mat FineMapping::FineMappingVertical(cv::Mat InputProposal,int sliceNum,int upper,int lower,int windows_size){ | |||
cv::Mat PreInputProposal; | |||
cv::Mat proposal; | |||
cv::resize(InputProposal,PreInputProposal,cv::Size(FINEMAPPING_W,FINEMAPPING_H)); | |||
if(InputProposal.channels() == 3) | |||
cv::cvtColor(PreInputProposal,proposal,cv::COLOR_BGR2GRAY); | |||
else | |||
PreInputProposal.copyTo(proposal); | |||
// this will improve some sen | |||
cv::Mat kernal = cv::getStructuringElement(cv::MORPH_ELLIPSE,cv::Size(1,3)); | |||
float diff = static_cast<float>(upper-lower); | |||
diff/=static_cast<float>(sliceNum-1); | |||
cv::Mat binary_adaptive; | |||
std::vector<cv::Point> line_upper; | |||
std::vector<cv::Point> line_lower; | |||
int contours_nums=0; | |||
for(int i = 0 ; i < sliceNum ; i++) | |||
{ | |||
std::vector<std::vector<cv::Point> > contours; | |||
float k =lower + i*diff; | |||
cv::adaptiveThreshold(proposal,binary_adaptive,255,cv::ADAPTIVE_THRESH_MEAN_C,cv::THRESH_BINARY,windows_size,k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive,contours,cv::RETR_EXTERNAL,cv::CHAIN_APPROX_SIMPLE); | |||
for(auto contour: contours) | |||
{ | |||
cv::Rect bdbox =cv::boundingRect(contour); | |||
float lwRatio = bdbox.height/static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width*bdbox.height; | |||
if (( lwRatio>0.7&&bdbox.width*bdbox.height>100 && bdboxAera<300) | |||
|| (lwRatio>3.0 && bdboxAera<100 && bdboxAera>10)) | |||
{ | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums+=1; | |||
} | |||
} | |||
} | |||
if(contours_nums<41) | |||
{ | |||
cv::bitwise_not(InputProposal,InputProposal); | |||
cv::Mat kernal = cv::getStructuringElement(cv::MORPH_ELLIPSE,cv::Size(1,5)); | |||
cv::Mat bak; | |||
cv::resize(InputProposal,bak,cv::Size(FINEMAPPING_W,FINEMAPPING_H)); | |||
cv::erode(bak,bak,kernal); | |||
if(InputProposal.channels() == 3) | |||
cv::cvtColor(bak,proposal,cv::COLOR_BGR2GRAY); | |||
else | |||
proposal = bak; | |||
int contours_nums=0; | |||
for(int i = 0 ; i < sliceNum ; i++) | |||
{ | |||
std::vector<std::vector<cv::Point> > contours; | |||
float k =lower + i*diff; | |||
cv::adaptiveThreshold(proposal,binary_adaptive,255,cv::ADAPTIVE_THRESH_MEAN_C,cv::THRESH_BINARY,windows_size,k); | |||
cv::Mat draw; | |||
binary_adaptive.copyTo(draw); | |||
cv::findContours(binary_adaptive,contours,cv::RETR_EXTERNAL,cv::CHAIN_APPROX_SIMPLE); | |||
for(auto contour: contours) | |||
{ | |||
cv::Rect bdbox =cv::boundingRect(contour); | |||
float lwRatio = bdbox.height/static_cast<float>(bdbox.width); | |||
int bdboxAera = bdbox.width*bdbox.height; | |||
if (( lwRatio>0.7&&bdbox.width*bdbox.height>120 && bdboxAera<300) | |||
|| (lwRatio>3.0 && bdboxAera<100 && bdboxAera>10)) | |||
{ | |||
cv::Point p1(bdbox.x, bdbox.y); | |||
cv::Point p2(bdbox.x + bdbox.width, bdbox.y + bdbox.height); | |||
line_upper.push_back(p1); | |||
line_lower.push_back(p2); | |||
contours_nums+=1; | |||
} | |||
} | |||
} | |||
} | |||
cv::Mat rgb; | |||
cv::copyMakeBorder(PreInputProposal, rgb, PADDING_UP_DOWN, PADDING_UP_DOWN, 0, 0, cv::BORDER_REPLICATE); | |||
std::pair<int, int> A; | |||
std::pair<int, int> B; | |||
A = FitLineRansac(line_upper, -1); | |||
B = FitLineRansac(line_lower, 1); | |||
int leftyB = A.first; | |||
int rightyB = A.second; | |||
int leftyA = B.first; | |||
int rightyA = B.second; | |||
int cols = rgb.cols; | |||
int rows = rgb.rows; | |||
std::vector<cv::Point2f> corners(4); | |||
corners[0] = cv::Point2f(cols - 1, rightyA); | |||
corners[1] = cv::Point2f(0, leftyA); | |||
corners[2] = cv::Point2f(cols - 1, rightyB); | |||
corners[3] = cv::Point2f(0, leftyB); | |||
std::vector<cv::Point2f> corners_trans(4); | |||
corners_trans[0] = cv::Point2f(136, 36); | |||
corners_trans[1] = cv::Point2f(0, 36); | |||
corners_trans[2] = cv::Point2f(136, 0); | |||
corners_trans[3] = cv::Point2f(0, 0); | |||
cv::Mat transform = cv::getPerspectiveTransform(corners, corners_trans); | |||
cv::Mat quad = cv::Mat::zeros(36, 136, CV_8UC3); | |||
cv::warpPerspective(rgb, quad, transform, quad.size()); | |||
return quad; | |||
} | |||
} | |||
@@ -1,85 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 23/10/2017. | |||
// | |||
#include "../include/Pipeline.h" | |||
namespace pr { | |||
const int HorizontalPadding = 4; | |||
PipelinePR::PipelinePR(std::string detector_filename, | |||
std::string finemapping_prototxt, std::string finemapping_caffemodel, | |||
std::string segmentation_prototxt, std::string segmentation_caffemodel, | |||
std::string charRecognization_proto, std::string charRecognization_caffemodel, | |||
std::string segmentationfree_proto,std::string segmentationfree_caffemodel) { | |||
plateDetection = new PlateDetection(detector_filename); | |||
fineMapping = new FineMapping(finemapping_prototxt, finemapping_caffemodel); | |||
plateSegmentation = new PlateSegmentation(segmentation_prototxt, segmentation_caffemodel); | |||
generalRecognizer = new CNNRecognizer(charRecognization_proto, charRecognization_caffemodel); | |||
segmentationFreeRecognizer = new SegmentationFreeRecognizer(segmentationfree_proto,segmentationfree_caffemodel); | |||
} | |||
PipelinePR::~PipelinePR() { | |||
delete plateDetection; | |||
delete fineMapping; | |||
delete plateSegmentation; | |||
delete generalRecognizer; | |||
delete segmentationFreeRecognizer; | |||
} | |||
std::vector<PlateInfo> PipelinePR:: RunPiplineAsImage(cv::Mat plateImage,int method) { | |||
std::vector<PlateInfo> results; | |||
std::vector<pr::PlateInfo> plates; | |||
plateDetection->plateDetectionRough(plateImage,plates,36,700); | |||
for (pr::PlateInfo plateinfo:plates) { | |||
cv::Mat image_finemapping = plateinfo.getPlateImage(); | |||
image_finemapping = fineMapping->FineMappingVertical(image_finemapping); | |||
image_finemapping = pr::fastdeskew(image_finemapping, 5); | |||
//Segmentation-based | |||
if(method==SEGMENTATION_BASED_METHOD) | |||
{ | |||
image_finemapping = fineMapping->FineMappingHorizon(image_finemapping, 2, HorizontalPadding); | |||
cv::resize(image_finemapping, image_finemapping, cv::Size(136+HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::vector<cv::Rect> rects; | |||
plateSegmentation->segmentPlatePipline(plateinfo, 1, rects); | |||
plateSegmentation->ExtractRegions(plateinfo, rects); | |||
cv::copyMakeBorder(image_finemapping, image_finemapping, 0, 0, 0, 20, cv::BORDER_REPLICATE); | |||
plateinfo.setPlateImage(image_finemapping); | |||
generalRecognizer->SegmentBasedSequenceRecognition(plateinfo); | |||
plateinfo.decodePlateNormal(pr::CH_PLATE_CODE); | |||
} | |||
//Segmentation-free | |||
else if(method==SEGMENTATION_FREE_METHOD) | |||
{ | |||
image_finemapping = fineMapping->FineMappingHorizon(image_finemapping, 4, HorizontalPadding+3); | |||
cv::resize(image_finemapping, image_finemapping, cv::Size(136+HorizontalPadding, 36)); | |||
plateinfo.setPlateImage(image_finemapping); | |||
std::pair<std::string,float> res = segmentationFreeRecognizer->SegmentationFreeForSinglePlate(plateinfo.getPlateImage(),pr::CH_PLATE_CODE); | |||
plateinfo.confidence = res.second; | |||
plateinfo.setPlateName(res.first); | |||
} | |||
results.push_back(plateinfo); | |||
} | |||
return results; | |||
}//namespace pr | |||
} |
@@ -1,32 +0,0 @@ | |||
#include "../include/PlateDetection.h" | |||
#include "util.h" | |||
namespace pr{ | |||
PlateDetection::PlateDetection(std::string filename_cascade){ | |||
cascade.load(filename_cascade); | |||
}; | |||
void PlateDetection::plateDetectionRough(cv::Mat InputImage,std::vector<pr::PlateInfo> &plateInfos,int min_w,int max_w){ | |||
cv::Mat processImage; | |||
cv::cvtColor(InputImage,processImage,cv::COLOR_BGR2GRAY); | |||
std::vector<cv::Rect> platesRegions; | |||
cv::Size minSize(min_w,min_w/4); | |||
cv::Size maxSize(max_w,max_w/4); | |||
cascade.detectMultiScale( processImage, platesRegions, | |||
1.1, 3, cv::CASCADE_SCALE_IMAGE,minSize,maxSize); | |||
for(auto plate:platesRegions) | |||
{ | |||
int zeroadd_w = static_cast<int>(plate.width*0.30); | |||
int zeroadd_h = static_cast<int>(plate.height*2); | |||
int zeroadd_x = static_cast<int>(plate.width*0.15); | |||
int zeroadd_y = static_cast<int>(plate.height*1); | |||
plate.x-=zeroadd_x; | |||
plate.y-=zeroadd_y; | |||
plate.height += zeroadd_h; | |||
plate.width += zeroadd_w; | |||
cv::Mat plateImage = util::cropFromImage(InputImage,plate); | |||
PlateInfo plateInfo(plateImage,plate); | |||
plateInfos.push_back(plateInfo); | |||
} | |||
} | |||
}//namespace pr |
@@ -1,404 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 16/10/2017. | |||
// | |||
#include "../include/PlateSegmentation.h" | |||
#include "../include/niBlackThreshold.h" | |||
//#define DEBUG | |||
namespace pr{ | |||
PlateSegmentation::PlateSegmentation(std::string prototxt,std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
cv::Mat PlateSegmentation::classifyResponse(const cv::Mat &cropped){ | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(cropped, 1/255.0, cv::Size(22,22), cv::Scalar(0,0,0),false); | |||
net.setInput(inputBlob,"data"); | |||
return net.forward(); | |||
} | |||
void drawHist(float* seq,int size,const char* name){ | |||
cv::Mat image(300,size,CV_8U); | |||
image.setTo(0); | |||
float* start =seq; | |||
float* end = seq+size; | |||
float l = *std::max_element(start,end); | |||
for(int i = 0;i<size;i++) | |||
{ | |||
int p = int(float(seq[i])/l*300); | |||
cv::line(image,cv::Point(i,300),cv::Point(i,300-p),cv::Scalar(255,255,255)); | |||
} | |||
cv::resize(image,image,cv::Size(600,100)); | |||
cv::imshow(name,image); | |||
} | |||
inline void computeSafeMargin(int &val,const int &rows){ | |||
val = std::min(val,rows); | |||
val = std::max(val,0); | |||
} | |||
cv::Rect boxFromCenter(const cv::Point center,int left,int right,int top,int bottom,cv::Size bdSize) | |||
{ | |||
cv::Point p1(center.x - left ,center.y - top); | |||
cv::Point p2( center.x + right, center.y + bottom); | |||
p1.x = std::max(0,p1.x); | |||
p1.y = std::max(0,p1.y); | |||
p2.x = std::min(p2.x,bdSize.width-1); | |||
p2.y = std::min(p2.y,bdSize.height-1); | |||
cv::Rect rect(p1,p2); | |||
return rect; | |||
} | |||
cv::Rect boxPadding(cv::Rect rect,int left,int right,int top,int bottom,cv::Size bdSize) | |||
{ | |||
cv::Point center(rect.x+(rect.width>>1),rect.y + (rect.height>>1)); | |||
int rebuildLeft = (rect.width>>1 )+ left; | |||
int rebuildRight = (rect.width>>1 )+ right; | |||
int rebuildTop = (rect.height>>1 )+ top; | |||
int rebuildBottom = (rect.height>>1 )+ bottom; | |||
return boxFromCenter(center,rebuildLeft,rebuildRight,rebuildTop,rebuildBottom,bdSize); | |||
} | |||
void PlateSegmentation:: refineRegion(cv::Mat &plateImage,const std::vector<int> &candidatePts,const int padding,std::vector<cv::Rect> &rects){ | |||
int w = candidatePts[5] - candidatePts[4]; | |||
int cols = plateImage.cols; | |||
int rows = plateImage.rows; | |||
for(int i = 0 ; i < candidatePts.size() ; i++) | |||
{ | |||
int left = 0; | |||
int right = 0 ; | |||
if(i == 0 ){ | |||
left= candidatePts[i]; | |||
right = left+w+padding; | |||
} | |||
else { | |||
left = candidatePts[i] - padding; | |||
right = left + w + padding * 2; | |||
} | |||
computeSafeMargin(right,cols); | |||
computeSafeMargin(left,cols); | |||
cv::Rect roi(left,0,right - left,rows-1); | |||
cv::Mat roiImage; | |||
plateImage(roi).copyTo(roiImage); | |||
if (i>=1) | |||
{ | |||
cv::Mat roi_thres; | |||
// cv::threshold(roiImage,roi_thres,0,255,cv::THRESH_OTSU|cv::THRESH_BINARY); | |||
niBlackThreshold(roiImage,roi_thres,255,cv::THRESH_BINARY,15,0.27,BINARIZATION_NIBLACK); | |||
std::vector<std::vector<cv::Point>> contours; | |||
cv::findContours(roi_thres,contours,cv::RETR_LIST,cv::CHAIN_APPROX_SIMPLE); | |||
cv::Point boxCenter(roiImage.cols>>1,roiImage.rows>>1); | |||
cv::Rect final_bdbox; | |||
cv::Point final_center; | |||
int final_dist = INT_MAX; | |||
for(auto contour:contours) | |||
{ | |||
cv::Rect bdbox = cv::boundingRect(contour); | |||
cv::Point center(bdbox.x+(bdbox.width>>1),bdbox.y + (bdbox.height>>1)); | |||
int dist = (center.x - boxCenter.x)*(center.x - boxCenter.x); | |||
if(dist<final_dist && bdbox.height > rows>>1) | |||
{ final_dist =dist; | |||
final_center = center; | |||
final_bdbox = bdbox; | |||
} | |||
} | |||
//rebuild box | |||
if(final_bdbox.height/ static_cast<float>(final_bdbox.width) > 3.5 && final_bdbox.width*final_bdbox.height<10) | |||
final_bdbox = boxFromCenter(final_center,8,8,(rows>>1)-3 , (rows>>1) - 2,roiImage.size()); | |||
else { | |||
if(i == candidatePts.size()-1) | |||
final_bdbox = boxPadding(final_bdbox, padding/2, padding, padding/2, padding/2, roiImage.size()); | |||
else | |||
final_bdbox = boxPadding(final_bdbox, padding, padding, padding, padding, roiImage.size()); | |||
// std::cout<<final_bdbox<<std::endl; | |||
// std::cout<<roiImage.size()<<std::endl; | |||
#ifdef DEBUG | |||
cv::imshow("char_thres",roi_thres); | |||
cv::imshow("char",roiImage(final_bdbox)); | |||
cv::waitKey(0); | |||
#endif | |||
} | |||
final_bdbox.x += left; | |||
rects.push_back(final_bdbox); | |||
// | |||
} | |||
else | |||
{ | |||
rects.push_back(roi); | |||
} | |||
// else | |||
// { | |||
// | |||
// } | |||
// cv::GaussianBlur(roiImage,roiImage,cv::Size(7,7),3); | |||
// | |||
// cv::imshow("image",roiImage); | |||
// cv::waitKey(0); | |||
} | |||
} | |||
void avgfilter(float *angle_list,int size,int windowsSize) { | |||
float *filterd = new float[size]; | |||
for(int i = 0 ; i < size ; i++) filterd [i] = angle_list[i]; | |||
// memcpy(filterd,angle_list,size); | |||
cv::Mat kernal_gaussian = cv::getGaussianKernel(windowsSize,3,CV_32F); | |||
float *kernal = (float*)kernal_gaussian.data; | |||
// kernal+=windowsSize; | |||
int r = windowsSize/2; | |||
for (int i = 0; i < size; i++) { | |||
float avg = 0.00f; | |||
for (int j = 0; j < windowsSize; j++) { | |||
if(i+j-r>0&&i+j+r<size-1) | |||
avg += filterd[i + j-r]*kernal[j]; | |||
} | |||
// avg = avg / windowsSize; | |||
angle_list[i] = avg; | |||
} | |||
delete filterd; | |||
} | |||
void PlateSegmentation::templateMatchFinding(const cv::Mat &respones,int windowsWidth,std::pair<float,std::vector<int>> &candidatePts){ | |||
int rows = respones.rows; | |||
int cols = respones.cols; | |||
float *data = (float*)respones.data; | |||
float *engNum_prob = data; | |||
float *false_prob = data+cols; | |||
float *ch_prob = data+cols*2; | |||
avgfilter(engNum_prob,cols,5); | |||
avgfilter(false_prob,cols,5); | |||
// avgfilter(ch_prob,cols,5); | |||
std::vector<int> candidate_pts(7); | |||
#ifdef DEBUG | |||
drawHist(engNum_prob,cols,"engNum_prob"); | |||
drawHist(false_prob,cols,"false_prob"); | |||
drawHist(ch_prob,cols,"ch_prob"); | |||
cv::waitKey(0); | |||
#endif | |||
int cp_list[7]; | |||
float loss_selected = -10; | |||
for(int start = 0 ; start < 20 ; start+=2) | |||
for(int width = windowsWidth-5; width < windowsWidth+5 ; width++ ){ | |||
for(int interval = windowsWidth/2; interval < windowsWidth; interval++) | |||
{ | |||
int cp1_ch = start; | |||
int cp2_p0 = cp1_ch+ width; | |||
int cp3_p1 = cp2_p0+ width + interval; | |||
int cp4_p2 = cp3_p1 + width; | |||
int cp5_p3 = cp4_p2 + width+1; | |||
int cp6_p4 = cp5_p3 + width+2; | |||
int cp7_p5= cp6_p4+ width+2; | |||
int md1 = (cp1_ch+cp2_p0)>>1; | |||
int md2 = (cp2_p0+cp3_p1)>>1; | |||
int md3 = (cp3_p1+cp4_p2)>>1; | |||
int md4 = (cp4_p2+cp5_p3)>>1; | |||
int md5 = (cp5_p3+cp6_p4)>>1; | |||
int md6 = (cp6_p4+cp7_p5)>>1; | |||
if(cp7_p5>=cols) | |||
continue; | |||
// float loss = ch_prob[cp1_ch]+ | |||
// engNum_prob[cp2_p0] +engNum_prob[cp3_p1]+engNum_prob[cp4_p2]+engNum_prob[cp5_p3]+engNum_prob[cp6_p4] +engNum_prob[cp7_p5] | |||
// + (false_prob[md2]+false_prob[md3]+false_prob[md4]+false_prob[md5]+false_prob[md5] + false_prob[md6]); | |||
float loss = ch_prob[cp1_ch]*3 -(false_prob[cp3_p1]+false_prob[cp4_p2]+false_prob[cp5_p3]+false_prob[cp6_p4]+false_prob[cp7_p5]); | |||
if(loss>loss_selected) | |||
{ | |||
loss_selected = loss; | |||
cp_list[0]= cp1_ch; | |||
cp_list[1]= cp2_p0; | |||
cp_list[2]= cp3_p1; | |||
cp_list[3]= cp4_p2; | |||
cp_list[4]= cp5_p3; | |||
cp_list[5]= cp6_p4; | |||
cp_list[6]= cp7_p5; | |||
} | |||
} | |||
} | |||
candidate_pts[0] = cp_list[0]; | |||
candidate_pts[1] = cp_list[1]; | |||
candidate_pts[2] = cp_list[2]; | |||
candidate_pts[3] = cp_list[3]; | |||
candidate_pts[4] = cp_list[4]; | |||
candidate_pts[5] = cp_list[5]; | |||
candidate_pts[6] = cp_list[6]; | |||
candidatePts.first = loss_selected; | |||
candidatePts.second = candidate_pts; | |||
}; | |||
void PlateSegmentation::segmentPlateBySlidingWindows(cv::Mat &plateImage,int windowsWidth,int stride,cv::Mat &respones){ | |||
// cv::resize(plateImage,plateImage,cv::Size(136,36)); | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage,plateImageGray,cv::COLOR_BGR2GRAY); | |||
int padding = plateImage.cols-136 ; | |||
// int padding = 0 ; | |||
int height = plateImage.rows - 1; | |||
int width = plateImage.cols - 1 - padding; | |||
for(int i = 0 ; i < width - windowsWidth +1 ; i +=stride) | |||
{ | |||
cv::Rect roi(i,0,windowsWidth,height); | |||
cv::Mat roiImage = plateImageGray(roi); | |||
cv::Mat response = classifyResponse(roiImage); | |||
respones.push_back(response); | |||
} | |||
respones = respones.t(); | |||
// std::pair<float,std::vector<int>> images ; | |||
// | |||
// | |||
// std::cout<<images.first<<" "; | |||
// for(int i = 0 ; i < images.second.size() ; i++) | |||
// { | |||
// std::cout<<images.second[i]<<" "; | |||
//// cv::line(plateImageGray,cv::Point(images.second[i],0),cv::Point(images.second[i],36),cv::Scalar(255,255,255),1); //DEBUG | |||
// } | |||
// int w = images.second[5] - images.second[4]; | |||
// cv::line(plateImageGray,cv::Point(images.second[5]+w,0),cv::Point(images.second[5]+w,36),cv::Scalar(255,255,255),1); //DEBUG | |||
// cv::line(plateImageGray,cv::Point(images.second[5]+2*w,0),cv::Point(images.second[5]+2*w,36),cv::Scalar(255,255,255),1); //DEBUG | |||
// RefineRegion(plateImageGray,images.second,5); | |||
// std::cout<<w<<std::endl; | |||
// std::cout<<<<std::endl; | |||
// cv::resize(plateImageGray,plateImageGray,cv::Size(600,100)); | |||
} | |||
// void filterGaussian(cv::Mat &respones,float sigma){ | |||
// | |||
// } | |||
void PlateSegmentation::segmentPlatePipline(PlateInfo &plateInfo,int stride,std::vector<cv::Rect> &Char_rects){ | |||
cv::Mat plateImage = plateInfo.getPlateImage(); // get src image . | |||
cv::Mat plateImageGray; | |||
cv::cvtColor(plateImage,plateImageGray,cv::COLOR_BGR2GRAY); | |||
//do binarzation | |||
// | |||
std::pair<float,std::vector<int>> sections ; // segment points variables . | |||
cv::Mat respones; //three response of every sub region from origin image . | |||
segmentPlateBySlidingWindows(plateImage,DEFAULT_WIDTH,1,respones); | |||
templateMatchFinding(respones,DEFAULT_WIDTH/stride,sections); | |||
for(int i = 0; i < sections.second.size() ; i++) | |||
{ | |||
sections.second[i]*=stride; | |||
} | |||
// std::cout<<sections<<std::endl; | |||
refineRegion(plateImageGray,sections.second,5,Char_rects); | |||
#ifdef DEBUG | |||
for(int i = 0 ; i < sections.second.size() ; i++) | |||
{ | |||
std::cout<<sections.second[i]<<" "; | |||
cv::line(plateImageGray,cv::Point(sections.second[i],0),cv::Point(sections.second[i],36),cv::Scalar(255,255,255),1); //DEBUG | |||
} | |||
cv::imshow("plate",plateImageGray); | |||
cv::waitKey(0); | |||
#endif | |||
// cv::waitKey(0); | |||
} | |||
void PlateSegmentation::ExtractRegions(PlateInfo &plateInfo,std::vector<cv::Rect> &rects){ | |||
cv::Mat plateImage = plateInfo.getPlateImage(); | |||
for(int i = 0 ; i < rects.size() ; i++){ | |||
cv::Mat charImage; | |||
plateImage(rects[i]).copyTo(charImage); | |||
if(charImage.channels()) | |||
cv::cvtColor(charImage,charImage,cv::COLOR_BGR2GRAY); | |||
// cv::imshow("image",charImage); | |||
// cv::waitKey(0); | |||
cv::equalizeHist(charImage,charImage); | |||
// | |||
// | |||
std::pair<CharType,cv::Mat> char_instance; | |||
if(i == 0 ){ | |||
char_instance.first = CHINESE; | |||
} else if(i == 1){ | |||
char_instance.first = LETTER; | |||
} | |||
else{ | |||
char_instance.first = LETTER_NUMS; | |||
} | |||
char_instance.second = charImage; | |||
plateInfo.appendPlateChar(char_instance); | |||
} | |||
} | |||
}//namespace pr |
@@ -1,23 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 22/10/2017. | |||
// | |||
#include "../include/Recognizer.h" | |||
namespace pr{ | |||
void GeneralRecognizer::SegmentBasedSequenceRecognition(PlateInfo &plateinfo){ | |||
for(auto char_instance:plateinfo.plateChars) | |||
{ | |||
std::pair<CharType,cv::Mat> res; | |||
if(char_instance.second.rows*char_instance.second.cols>40) { | |||
label code_table = recognizeCharacter(char_instance.second); | |||
res.first = char_instance.first; | |||
code_table.copyTo(res.second); | |||
plateinfo.appendPlateCoding(res); | |||
} else{ | |||
res.first = INVALID; | |||
plateinfo.appendPlateCoding(res); | |||
} | |||
} | |||
} | |||
} |
@@ -1,89 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 28/11/2017. | |||
// | |||
#include "../include/SegmentationFreeRecognizer.h" | |||
namespace pr { | |||
SegmentationFreeRecognizer::SegmentationFreeRecognizer(std::string prototxt, std::string caffemodel) { | |||
net = cv::dnn::readNetFromCaffe(prototxt, caffemodel); | |||
} | |||
inline int judgeCharRange(int id) | |||
{return id<31 || id>63; | |||
} | |||
std::pair<std::string,float> decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table,float thres) | |||
{ | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
std::vector<std::pair<int,float>> seq_decode_res; | |||
for(int i = 0 ; i < sequencelength; i++) { | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
int id = std::max_element(fstart,fstart+labellength) - fstart; | |||
seq[i] =id; | |||
} | |||
float sum_confidence = 0; | |||
int plate_lenghth = 0 ; | |||
for(int i = 0 ; i< sequencelength ; i++) | |||
{ | |||
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1])) | |||
{ | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
float confidence = *(fstart+seq[i]); | |||
std::pair<int,float> pair_(seq[i],confidence); | |||
seq_decode_res.push_back(pair_); | |||
} | |||
} | |||
int i = 0; | |||
if (seq_decode_res.size()>1 && judgeCharRange(seq_decode_res[0].first) && judgeCharRange(seq_decode_res[1].first)) | |||
{ | |||
i=2; | |||
int c = seq_decode_res[0].second<seq_decode_res[1].second; | |||
name+=mapping_table[seq_decode_res[c].first]; | |||
sum_confidence+=seq_decode_res[c].second; | |||
plate_lenghth++; | |||
} | |||
for(; i < seq_decode_res.size();i++) | |||
{ | |||
name+=mapping_table[seq_decode_res[i].first]; | |||
sum_confidence +=seq_decode_res[i].second; | |||
plate_lenghth++; | |||
} | |||
std::pair<std::string,float> res; | |||
res.second = sum_confidence/plate_lenghth; | |||
res.first = name; | |||
return res; | |||
} | |||
std::string decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table) | |||
{ | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
for(int i = 0 ; i < sequencelength; i++) { | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
int id = std::max_element(fstart,fstart+labellength) - fstart; | |||
seq[i] =id; | |||
} | |||
for(int i = 0 ; i< sequencelength ; i++) | |||
{ | |||
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1])) | |||
name+=mapping_table[seq[i]]; | |||
} | |||
return name; | |||
} | |||
std::pair<std::string,float> SegmentationFreeRecognizer::SegmentationFreeForSinglePlate(cv::Mat Image,std::vector<std::string> mapping_table) { | |||
cv::transpose(Image,Image); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(Image, 1 / 255.0, cv::Size(40,160)); | |||
net.setInput(inputBlob, "data"); | |||
cv::Mat char_prob_mat = net.forward(); | |||
return decodeResults(char_prob_mat,mapping_table,0.00); | |||
} | |||
} |
@@ -1,68 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 04/04/2017. | |||
// | |||
#include <opencv2/opencv.hpp> | |||
namespace util{ | |||
template <class T> void swap ( T& a, T& b ) | |||
{ | |||
T c(a); a=b; b=c; | |||
} | |||
template <class T> T min(T& a,T& b ) | |||
{ | |||
return a>b?b:a; | |||
} | |||
cv::Mat cropFromImage(const cv::Mat &image,cv::Rect rect){ | |||
int w = image.cols-1; | |||
int h = image.rows-1; | |||
rect.x = std::max(rect.x,0); | |||
rect.y = std::max(rect.y,0); | |||
rect.height = std::min(rect.height,h-rect.y); | |||
rect.width = std::min(rect.width,w-rect.x); | |||
cv::Mat temp(rect.size(), image.type()); | |||
cv::Mat cropped; | |||
temp = image(rect); | |||
temp.copyTo(cropped); | |||
return cropped; | |||
} | |||
cv::Mat cropBox2dFromImage(const cv::Mat &image,cv::RotatedRect rect) | |||
{ | |||
cv::Mat M, rotated, cropped; | |||
float angle = rect.angle; | |||
cv::Size rect_size(rect.size.width,rect.size.height); | |||
if (rect.angle < -45.) { | |||
angle += 90.0; | |||
swap(rect_size.width, rect_size.height); | |||
} | |||
M = cv::getRotationMatrix2D(rect.center, angle, 1.0); | |||
cv::warpAffine(image, rotated, M, image.size(), cv::INTER_CUBIC); | |||
cv::getRectSubPix(rotated, rect_size, rect.center, cropped); | |||
return cropped; | |||
} | |||
cv::Mat calcHist(const cv::Mat &image) | |||
{ | |||
cv::Mat hsv; | |||
std::vector<cv::Mat> hsv_planes; | |||
cv::cvtColor(image,hsv,cv::COLOR_BGR2HSV); | |||
cv::split(hsv,hsv_planes); | |||
cv::Mat hist; | |||
int histSize = 256; | |||
float range[] = {0,255}; | |||
const float* histRange = {range}; | |||
cv::calcHist( &hsv_planes[0], 1, 0, cv::Mat(), hist, 1, &histSize, &histRange,true, true); | |||
return hist; | |||
} | |||
float computeSimilir(const cv::Mat &A,const cv::Mat &B) | |||
{ | |||
cv::Mat histA,histB; | |||
histA = calcHist(A); | |||
histB = calcHist(B); | |||
// return cv::compareHist(histA,histB,CV_COMP_CORREL); | |||
return cv::compareHist(histA, histB, 0); | |||
} | |||
}//namespace util |
@@ -1,34 +0,0 @@ | |||
// | |||
// Created by 庾金科 on 20/09/2017. | |||
// | |||
#include <../include/PlateDetection.h> | |||
void drawRect(cv::Mat image,cv::Rect rect) | |||
{ | |||
cv::Point p1(rect.x,rect.y); | |||
cv::Point p2(rect.x+rect.width,rect.y+rect.height); | |||
cv::rectangle(image,p1,p2,cv::Scalar(0,255,0),1); | |||
} | |||
int main() | |||
{ | |||
cv::Mat image = cv::imread("res/test1.jpg"); | |||
pr::PlateDetection plateDetection("model/cascade.xml"); | |||
std::vector<pr::PlateInfo> plates; | |||
plateDetection.plateDetectionRough(image,plates); | |||
for(pr::PlateInfo platex:plates) | |||
{ | |||
drawRect(image,platex.getPlateRect()); | |||
cv::imwrite("res/cache/test.png",platex.getPlateImage()); | |||
cv::imshow("image",platex.getPlateImage()); | |||
cv::waitKey(0); | |||
} | |||
cv::imshow("image",image); | |||
cv::waitKey(0); | |||
return 0 ; | |||
} |
@@ -1,34 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 02/10/2017. | |||
// | |||
#include <../include/FastDeskew.h> | |||
void drawRect(cv::Mat image,cv::Rect rect) | |||
{ | |||
cv::Point p1(rect.x,rect.y); | |||
cv::Point p2(rect.x+rect.width,rect.y+rect.height); | |||
cv::rectangle(image,p1,p2,cv::Scalar(0,255,0),1); | |||
} | |||
void TEST_DESKEW(){ | |||
cv::Mat image = cv::imread("res/3.png",cv::IMREAD_GRAYSCALE); | |||
// cv::resize(image,image,cv::Size(136*2,36*2)); | |||
cv::Mat deskewed = pr::fastdeskew(image,12); | |||
// cv::imwrite("./res/4.png",deskewed); | |||
// cv::Mat deskewed2 = pr::fastdeskew(deskewed,12); | |||
// | |||
cv::imshow("image",deskewed); | |||
cv::waitKey(0); | |||
} | |||
int main() | |||
{ | |||
TEST_DESKEW(); | |||
return 0 ; | |||
} |
@@ -1,25 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 24/09/2017. | |||
// | |||
#include "FineMapping.h" | |||
int main() | |||
{ | |||
cv::Mat image = cv::imread("res/cache/test.png"); | |||
cv::Mat image_finemapping = pr::FineMapping::FineMappingVertical(image); | |||
pr::FineMapping finemapper = pr::FineMapping("model/HorizonalFinemapping.prototxt","model/HorizonalFinemapping.caffemodel"); | |||
image_finemapping = finemapper.FineMappingHorizon(image_finemapping,0,-3); | |||
cv::imwrite("res/cache/finemappingres.png",image_finemapping); | |||
cv::imshow("image",image_finemapping); | |||
cv::waitKey(0); | |||
return 0 ; | |||
} |
@@ -1,184 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 23/10/2017. | |||
// | |||
#include "../include/Pipeline.h" | |||
#include<fstream> | |||
#include<vector> | |||
using namespace std; | |||
template<class T> | |||
static unsigned int levenshtein_distance(const T &s1, const T &s2) { | |||
const size_t len1 = s1.size(), len2 = s2.size(); | |||
std::vector<unsigned int> col(len2 + 1), prevCol(len2 + 1); | |||
for (unsigned int i = 0; i < prevCol.size(); i++) prevCol[i] = i; | |||
for (unsigned int i = 0; i < len1; i++) { | |||
col[0] = i + 1; | |||
for (unsigned int j = 0; j < len2; j++) | |||
col[j + 1] = min( | |||
min(prevCol[1 + j] + 1, col[j] + 1), | |||
prevCol[j] + (s1[i] == s2[j] ? 0 : 1)); | |||
col.swap(prevCol); | |||
} | |||
return prevCol[len2]; | |||
} | |||
void TEST_CAM() | |||
{ | |||
cv::VideoCapture capture("test1.mp4"); | |||
cv::Mat frame; | |||
pr::PipelinePR prc("../lpr/model/cascade.xml", | |||
"../lpr/model/HorizonalFinemapping.prototxt", "../lpr/model/HorizonalFinemapping.caffemodel", | |||
"../lpr/model/Segmentation.prototxt", "../lpr/model/Segmentation.caffemodel", | |||
"../lpr/model/CharacterRecognization.prototxt", "../lpr/model/CharacterRecognization.caffemodel", | |||
"../lpr/model/SegmenationFree-Inception.prototxt", "../lpr/model/SegmenationFree-Inception.caffemodel" | |||
); | |||
while (1) { | |||
//读取下一帧 | |||
if (!capture.read(frame)) { | |||
std::cout << "读取视频失败" << std::endl; | |||
exit(1); | |||
} | |||
// | |||
// cv::transpose(frame,frame); | |||
// cv::flip(frame,frame,2); | |||
// cv::resize(frame,frame,cv::Size(frame.cols/2,frame.rows/2)); | |||
std::vector<pr::PlateInfo> res = prc.RunPiplineAsImage(frame, pr::SEGMENTATION_FREE_METHOD); | |||
for (auto st : res) { | |||
if (st.confidence > 0.75) { | |||
std::cout << st.getPlateName() << " " << st.confidence << std::endl; | |||
cv::Rect region = st.getPlateRect(); | |||
cv::rectangle(frame, cv::Point(region.x, region.y), cv::Point(region.x + region.width, region.y + region.height), cv::Scalar(255, 255, 0), 2); | |||
} | |||
} | |||
cv::imshow("image", frame); | |||
cv::waitKey(1); | |||
} | |||
} | |||
void TEST_ACC() { | |||
pr::PipelinePR prc("../lpr/model/cascade.xml", | |||
"../lpr/model/HorizonalFinemapping.prototxt", "../lpr/model/HorizonalFinemapping.caffemodel", | |||
"../lpr/model/Segmentation.prototxt", "../lpr/model/Segmentation.caffemodel", | |||
"../lpr/model/CharacterRecognization.prototxt", "../lpr/model/CharacterRecognization.caffemodel", | |||
"../lpr/model/SegmenationFree-Inception.prototxt", "../lpr/model/SegmenationFree-Inception.caffemodel" | |||
); | |||
ifstream file; | |||
string imagename; | |||
int n = 0, correct = 0, j = 0, sum = 0; | |||
char filename[] = "/Users/yujinke/Downloads/general_test/1.txt"; | |||
string pathh = "/Users/yujinke/Downloads/general_test/"; | |||
file.open(filename, ios::in); | |||
while (!file.eof()) | |||
{ | |||
file >> imagename; | |||
string imgpath = pathh + imagename; | |||
std::cout << "------------------------------------------------" << endl; | |||
cout << "图片名:" << imagename << endl; | |||
cv::Mat image = cv::imread(imgpath); | |||
// cv::imshow("image", image); | |||
// cv::waitKey(0); | |||
std::vector<pr::PlateInfo> res = prc.RunPiplineAsImage(image, pr::SEGMENTATION_FREE_METHOD); | |||
float conf = 0; | |||
vector<float> con; | |||
vector<string> name; | |||
for (auto st : res) { | |||
if (st.confidence > 0.1) { | |||
//std::cout << st.getPlateName() << " " << st.confidence << std::endl; | |||
con.push_back(st.confidence); | |||
name.push_back(st.getPlateName()); | |||
//conf += st.confidence; | |||
} | |||
else | |||
cout << "no string" << endl; | |||
} | |||
// std::cout << conf << std::endl; | |||
int num = con.size(); | |||
float max = 0; | |||
string platestr, chpr, ch; | |||
int diff = 0, dif = 0; | |||
for (int i = 0; i < num; i++) { | |||
if (con.at(i) > max) | |||
{ | |||
max = con.at(i); | |||
platestr = name.at(i); | |||
} | |||
} | |||
// cout << "max:"<<max << endl; | |||
cout << "string:" << platestr << endl; | |||
chpr = platestr.substr(0, 2); | |||
ch = imagename.substr(0, 2); | |||
diff = levenshtein_distance(imagename, platestr); | |||
dif = diff - 4; | |||
cout << "差距:" << dif << endl; | |||
sum += dif; | |||
if (ch != chpr) n++; | |||
if (diff == 0) correct++; | |||
j++; | |||
} | |||
float cha = 1 - float(n) / float(j); | |||
std::cout << "------------------------------------------------" << endl; | |||
cout << "车牌总数:" << j << endl; | |||
cout << "汉字识别准确率:" << cha << endl; | |||
float chaccuracy = 1 - float(sum - n * 2) / float(j * 8); | |||
cout << "字符识别准确率:" << chaccuracy << endl; | |||
} | |||
void TEST_PIPELINE() { | |||
pr::PipelinePR prc("../lpr/model/cascade.xml", | |||
"../lpr/model/HorizonalFinemapping.prototxt", "../lpr/model/HorizonalFinemapping.caffemodel", | |||
"../lpr/model/Segmentation.prototxt", "../lpr/model/Segmentation.caffemodel", | |||
"../lpr/model/CharacterRecognization.prototxt", "../lpr/model/CharacterRecognization.caffemodel", | |||
"../lpr/model/SegmenationFree-Inception.prototxt", "../lpr/model/SegmenationFree-Inception.caffemodel" | |||
); | |||
cv::Mat image = cv::imread("../lpr/res/test.jpg"); | |||
std::vector<pr::PlateInfo> res = prc.RunPiplineAsImage(image, pr::SEGMENTATION_FREE_METHOD); | |||
for (auto st : res) { | |||
if (st.confidence > 0.75) { | |||
std::cout << st.getPlateName() << " " << st.confidence << std::endl; | |||
cv::Rect region = st.getPlateRect(); | |||
cv::rectangle(image, cv::Point(region.x, region.y), cv::Point(region.x + region.width, region.y + region.height), cv::Scalar(255, 255, 0), 2); | |||
} | |||
} | |||
cv::imshow("image", image); | |||
cv::waitKey(0); | |||
} | |||
int main() | |||
{ | |||
// TEST_ACC(); | |||
// TEST_CAM(); | |||
TEST_PIPELINE(); | |||
return 0; | |||
} |
@@ -1,54 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 23/10/2017. | |||
// | |||
#include "../include/CNNRecognizer.h" | |||
std::vector<std::string> chars{"京","沪","津","渝","冀","晋","蒙","辽","吉","黑","苏","浙","皖","闽","赣","鲁","豫","鄂","湘","粤","桂","琼","川","贵","云","藏","陕","甘","青","宁","新","0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","J","K","L","M","N","P","Q","R","S","T","U","V","W","X","Y","Z"}; | |||
#include <opencv2/dnn.hpp> | |||
using namespace cv::dnn; | |||
void getMaxClass(cv::Mat &probBlob, int *classId, double *classProb) | |||
{ | |||
// cv::Mat probMat = probBlob.matRefConst().reshape(1, 1); //reshape the blob to 1x1000 matrix | |||
cv::Point classNumber; | |||
cv::minMaxLoc(probBlob, NULL, classProb, NULL, &classNumber); | |||
*classId = classNumber.x; | |||
} | |||
void TEST_RECOGNIZATION(){ | |||
// pr::CNNRecognizer instance("model/CharacterRecognization.prototxt","model/CharacterRecognization.caffemodel"); | |||
Net net = cv::dnn::readNetFromCaffe("model/CharacterRecognization.prototxt","model/CharacterRecognization.caffemodel"); | |||
cv::Mat image = cv::imread("res/char1.png",cv::IMREAD_GRAYSCALE); | |||
cv::resize(image,image,cv::Size(14,30)); | |||
cv::equalizeHist(image,image); | |||
cv::Mat inputBlob = cv::dnn::blobFromImage(image, 1/255.0, cv::Size(14,30), false); | |||
net.setInput(inputBlob,"data"); | |||
cv::Mat res = net.forward(); | |||
std::cout<<res<<std::endl; | |||
float *p = (float*)res.data; | |||
int maxid= 0; | |||
double prob = 0; | |||
getMaxClass(res,&maxid,&prob); | |||
std::cout<<chars[maxid]<<std::endl; | |||
}; | |||
int main() | |||
{TEST_RECOGNIZATION(); | |||
} |
@@ -1,43 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 16/10/2017. | |||
// | |||
#include "../include/PlateSegmentation.h" | |||
#include "../include/CNNRecognizer.h" | |||
#include "../include/Recognizer.h" | |||
std::vector<std::string> chars{"京","沪","津","渝","冀","晋","蒙","辽","吉","黑","苏","浙","皖","闽","赣","鲁","豫","鄂","湘","粤","桂","琼","川","贵","云","藏","陕","甘","青","宁","新","0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","J","K","L","M","N","P","Q","R","S","T","U","V","W","X","Y","Z"}; | |||
void TEST_SLIDINGWINDOWS_EVAL(){ | |||
cv::Mat demo = cv::imread("res/cache/finemappingres.png"); | |||
cv::resize(demo,demo,cv::Size(136,36)); | |||
cv::Mat respones; | |||
pr::PlateSegmentation plateSegmentation("model/Segmentation.prototxt","model/Segmentation.caffemodel"); | |||
pr::PlateInfo plate; | |||
plate.setPlateImage(demo); | |||
std::vector<cv::Rect> rects; | |||
plateSegmentation.segmentPlatePipline(plate,1,rects); | |||
plateSegmentation.ExtractRegions(plate,rects); | |||
pr::GeneralRecognizer *recognizer = new pr::CNNRecognizer("model/CharacterRecognization.prototxt","model/CharacterRecognization.caffemodel"); | |||
recognizer->SegmentBasedSequenceRecognition(plate); | |||
std::cout<<plate.decodePlateNormal(chars)<<std::endl; | |||
delete(recognizer); | |||
} | |||
int main(){ | |||
TEST_SLIDINGWINDOWS_EVAL(); | |||
return 0; | |||
} |
@@ -1,54 +0,0 @@ | |||
// | |||
// Created by Jack Yu on 29/11/2017. | |||
// | |||
#include "../include/SegmentationFreeRecognizer.h" | |||
#include "../include/Pipeline.h" | |||
#include "../include/PlateInfo.h" | |||
std::string decodeResults(cv::Mat code_table,std::vector<std::string> mapping_table) | |||
{ | |||
cv::MatSize mtsize = code_table.size; | |||
int sequencelength = mtsize[2]; | |||
int labellength = mtsize[1]; | |||
cv::transpose(code_table.reshape(1,1).reshape(1,labellength),code_table); | |||
std::string name = ""; | |||
std::vector<int> seq(sequencelength); | |||
for(int i = 0 ; i < sequencelength; i++) { | |||
float *fstart = ((float *) (code_table.data) + i * labellength ); | |||
int id = std::max_element(fstart,fstart+labellength) - fstart; | |||
seq[i] =id; | |||
} | |||
for(int i = 0 ; i< sequencelength ; i++) | |||
{ | |||
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1])) | |||
name+=mapping_table[seq[i]]; | |||
} | |||
std::cout<<name; | |||
return name; | |||
} | |||
int main() | |||
{ | |||
cv::Mat image = cv::imread("res/cache/chars_segment.jpg"); | |||
// cv::transpose(image,image); | |||
// cv::resize(image,image,cv::Size(160,40)); | |||
cv::imshow("xxx",image); | |||
cv::waitKey(0); | |||
pr::SegmentationFreeRecognizer recognizr("model/SegmenationFree-Inception.prototxt","model/ISegmenationFree-Inception.caffemodel"); | |||
std::pair<std::string,float> res = recognizr.SegmentationFreeForSinglePlate(image,pr::CH_PLATE_CODE); | |||
std::cout<<res.first<<" " | |||
<<res.second<<std::endl; | |||
// decodeResults(plate,pr::CH_PLATE_CODE); | |||
cv::imshow("image",image); | |||
cv::waitKey(0); | |||
return 0; | |||
} |
@@ -196,9 +196,17 @@ int main(){ | |||
- HyperLPR讨论QQ群1: 673071218(已满,邀请可进), 群2: 746123554 ,加前请备注HyperLPR交流。 | |||
#### 联系方式: | |||
- JackYu (jackyu@zeusee.com) | |||
- Zeusee (contact@zeusee.com) | |||
### 作者和贡献者信息: | |||
##### 作者昵称不分前后 | |||
- Jack Yu 作者(jack-yu-business@foxmail.com / https://github.com/szad670401) | |||
- AlanNewImage v2版win工程、python双层完善 (https://github.com/AlanNewImage) | |||
- lsy17096535 整理(https://github.com/lsy17096535) | |||
- xiaojun123456 IOS贡献(https://github.com/xiaojun123456) | |||
- sundyCoder Android第三方贡献(https://github.com/sundyCoder) | |||
- coleflowers php贡献(@coleflowers) | |||
- Free&Easy 资源贡献 | |||
- 海豚嘎嘎 LBP cascade检测器训练 | |||
- Windows工程端到端模型 (https://github.com/SalamanderEyes) | |||
- Android实时扫描实现 (https://github.com/lxhAndSmh) |