修复Image<Gray, byte> 内部存储行对齐导致赋值时的长度不匹配引起的异常

XplorePlane/Services/ImageProcessing/ImageConverter.cs

@@ -28,11 +28,11 @@ namespace XplorePlane.Services
             var formatted = new FormatConvertedBitmap(bitmapSource, PixelFormats.Gray8, null, 0);
             int width = formatted.PixelWidth;
             int height = formatted.PixelHeight;
-            int stride = width;
-            byte[] pixels = new byte[height * stride];
-            formatted.CopyPixels(pixels, stride, 0);
 
             var image = new Image<Gray, byte>(width, height);
+            int stride = image.Bytes.Length / height;
+            var pixels = new byte[height * stride];
+            formatted.CopyPixels(pixels, stride, 0);
             image.Bytes = pixels;
             return image;
         }
@@ -40,7 +40,19 @@ namespace XplorePlane.Services
         public static Image<Gray, byte> ToEmguCVFromPixels(byte[] pixels, int width, int height)
         {
             var image = new Image<Gray, byte>(width, height);
+            int required = image.Bytes.Length;
+            if (pixels.Length == required)
+            {
                 image.Bytes = pixels;
+            }
+            else
+            {
+                int stride = required / height;
+                var padded = new byte[required];
+                for (int row = 0; row < height; row++)
+                    Buffer.BlockCopy(pixels, row * width, padded, row * stride, width);
+                image.Bytes = padded;
+            }
             return image;
         }
 
@@ -50,8 +62,8 @@ namespace XplorePlane.Services
 
             int width = emguImage.Width;
             int height = emguImage.Height;
-            int stride = width;
             byte[] pixels = emguImage.Bytes;
+            int stride = pixels.Length / height;
 
             return BitmapSource.Create(width, height, 96, 96, PixelFormats.Gray8, null, pixels, stride);
         }