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Update SegmentationFreeRecognizer.cpp

pull/1/MERGE
Jack Yu GitHub 6 years ago
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commit
5ba8b1c105
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1 changed files with 1 additions and 30 deletions
  1. +1
    -30
      Prj-Linux/lpr/src/SegmentationFreeRecognizer.cpp

+ 1
- 30
Prj-Linux/lpr/src/SegmentationFreeRecognizer.cpp View File

@@ -1,5 +1,5 @@
//
// Created by 庾金科 on 28/11/2017.
// Created by Jack Yu on 28/11/2017.
//
#include "../include/SegmentationFreeRecognizer.h"

@@ -7,28 +7,18 @@ 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::imshow("imagea",code_table);
// cv::waitKey(0);

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;
@@ -36,10 +26,7 @@ namespace pr {
}

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]))
@@ -48,13 +35,9 @@ namespace pr {
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;
@@ -70,16 +53,12 @@ namespace pr {
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;
@@ -98,21 +77,13 @@ namespace pr {
if(seq[i]!=labellength-1 && (i==0 || seq[i]!=seq[i-1]))
name+=mapping_table[seq[i]];
}

std::cout<<name;
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);

}


}

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