[函数名称]

  形态学轮廓提取函数

      WriteableBitmap MorcontourextractionProcess(WriteableBitmap src)

       /// <summary>

        /// Morgraphy contour extraction process.

        /// </summary>

        /// <param name="src">The source image.</param>

        /// <returns></returns>

         public static WriteableBitmap MorcontourextractionProcess(WriteableBitmap src)////形态学轮廓提取

         {

             if (src != null)

             {

                 int w = src.PixelWidth;

                 int h = src.PixelHeight;

                 WriteableBitmap corrosionImage = new WriteableBitmap(w, h);

                 byte[] temp = src.PixelBuffer.ToArray();

                 byte[] tempMask = (byte[])temp.Clone();

                 for (int j = 0; j < h; j++)

                 {

                     for (int i = 0; i < w; i++)

                     {

                         if (i == 0 || i == w - 1 || j == 0 || j == h - 1)

                         {

                             temp[i * 4 + j * w * 4] = (byte)255;

                             temp[i * 4 + 1 + j * w * 4] = (byte)255;

                             temp[i * 4 + 2 + j * w * 4] = (byte)255;

                         }

                         else

                         {

                             if (tempMask[i * 4 - 4 + j * w * 4] == 255 && tempMask[i * 4 + j * w * 4] == 255 && tempMask[i * 4 + 4 + j * w * 4] == 255

                                 && tempMask[i * 4 + (j - 1) * w * 4] == 255 && tempMask[i * 4 + (j + 1) * w * 4] == 255)

                             {

                                 temp[i * 4 + j * w * 4] = (byte)255;

                                 temp[i * 4 + 1 + j * w * 4] = (byte)255;

                                 temp[i * 4 + 2 + j * w * 4] = (byte)255;

                             }

                             else

                             {

                                 temp[i * 4 + j * w * 4] = 0;

                                 temp[i * 4 + 1 + j * w * 4] = 0;

                                 temp[i * 4 + 2 + j * w * 4] = 0;

                             }

                         }

                     }

                 }

                 for (int i = 0; i < temp.Length; i++)

                 {

                     temp[i] = (byte)(tempMask[i]-temp[i]);

                 }

                 Stream sTemp = corrosionImage.PixelBuffer.AsStream();

                 sTemp.Seek(0, SeekOrigin.Begin);

                 sTemp.Write(temp, 0, w * 4 * h);

                 return corrosionImage;

             }

             else

             {

                 return null;

             }

         }