image resize.

src/SciSharp.TensorFlow.Redist/README.md

@@ -27,6 +27,6 @@ Related merged [commits](https://github.com/SciSharp/TensorFlow.NET/commit/854a5
 On Windows, the tar command does not support extracting archives with symlinks. So when `dotnet pack` runs on Windows it will only package the Windows binaries.
 
 1. Run `dotnet pack SciSharp.TensorFlow.Redist.nupkgproj` under `src/SciSharp.TensorFlow.Redist` directory in Linux.
-2. Run `dotnet nuget push SciSharp.TensorFlow.Redist.2.3.0.nupkg -k APIKEY -s https://api.nuget.org/v3/index.json`
+2. Run `dotnet nuget push SciSharp.TensorFlow.Redist.2.3.1.nupkg -k APIKEY -s https://api.nuget.org/v3/index.json -t 600`
 
 

src/TensorFlowNET.Core/APIs/tf.image.cs

@@ -208,8 +208,8 @@ namespace Tensorflow
                 => image_ops_impl.non_max_suppression_padded(boxes, scores, max_output_size, iou_threshold, score_threshold, pad_to_max_output_size,
                     name, sorted_input, canonicalized_coordinates, tile_size);
 
-            public Tensor resize(Tensor image, TensorShape size)
-                => image_ops_impl.resize_images_v2(image, size);
+            public Tensor resize(Tensor image, TensorShape size, string method = ResizeMethod.BILINEAR)
+                => image_ops_impl.resize_images_v2(image, size, method: method);
 
             public Tensor resize_bilinear(Tensor images, Tensor size, bool align_corners = false, bool half_pixel_centers = false, string name = null)
                 => gen_image_ops.resize_bilinear(images, size, align_corners: align_corners, half_pixel_centers: half_pixel_centers, name: name);

src/TensorFlowNET.Core/APIs/tf.reshape.cs

@@ -22,6 +22,10 @@ namespace Tensorflow
             TensorShape shape,
             string name = null) => gen_array_ops.reshape(tensor, shape, name);
 
+        public Tensor reshape(Tensor tensor,
+            Tensor[] shape,
+            string name = null) => gen_array_ops.reshape(tensor, shape, name);
+
         public Tensor reshape(Tensor tensor,
                 Tensor shape,
                 string name = null) => gen_array_ops.reshape(tensor, shape, name);

src/TensorFlowNET.Core/Operations/gen_image_ops.cs

@@ -15,6 +15,8 @@
 ******************************************************************************/
 
 using System;
+using System.Linq;
+using Tensorflow.Contexts;
 using static Tensorflow.Binding;
 
 namespace Tensorflow
@@ -221,17 +223,21 @@ namespace Tensorflow
 
         public static Tensor resize_nearest_neighbor<Tsize>(Tensor images, Tsize size, bool align_corners = false, 
             bool half_pixel_centers = false, string name = null)
-        {
-            var op = tf.OpDefLib._apply_op_helper("ResizeNearestNeighbor", name: name, args: new
-            {
-                images,
-                size,
-                align_corners,
-                half_pixel_centers
-            });
-
-            return op.output;
-        }
+            => tf.Context.RunInAutoMode(()
+                => tf.OpDefLib._apply_op_helper("ResizeNearestNeighbor", name: name, args: new
+                {
+                    images,
+                    size,
+                    align_corners,
+                    half_pixel_centers
+                }).output, ()
+                => tf.Runner.TFE_FastPathExecute(tf.Context, tf.Context.DeviceName,
+                    "ResizeNearestNeighbor", name,
+                    null,
+                    images, size,
+                    "align_corners", align_corners,
+                    "half_pixel_centers", half_pixel_centers).FirstOrDefault(),
+                images);
 
         public static Tensor resize_nearest_neighbor_grad<Tsize>(Tensor grads, Tsize size, bool align_corners = false,
             bool half_pixel_centers = false, string name = null)

src/TensorFlowNET.Core/Operations/image_ops_impl.cs

@@ -2168,7 +2168,10 @@ new_height, new_width");
             {
                 if (method == ResizeMethod.BILINEAR)
                     return gen_image_ops.resize_bilinear(images, size, half_pixel_centers: true);
-                throw new NotImplementedException("");
+                else if (method == ResizeMethod.NEAREST_NEIGHBOR)
+                    return gen_image_ops.resize_nearest_neighbor(images, size, half_pixel_centers: true);
+
+                throw new NotImplementedException("resize_images_v2");
             };
             return _resize_images_common(images, resize_fn, ops.convert_to_tensor(size),
                 preserve_aspect_ratio: preserve_aspect_ratio,