//采用二值化圖像，圖像中黑色表示背景，白色表示目標//定義質心計算函數private int[] CentPoints(Bitmap src){  //定義存儲質心坐標的數組變量  int[] CentreP = new int[2];  int M00 = 0, M01 = 0, M10 = 0;  Rectangle rect = new Rectangle(0, 0, src.Width, src.Height);  System.Drawing.Imaging.BitmapData bmpData = src.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format24bppRgb);  unsafe  { int stride = bmpData.Stride; byte* p; byte* pIn = (byte*)bmpData.Scan0.ToPointer(); int R, G, B; for (int y = 0; y < src.Height; y++) {   for (int x = 0; x < src.Width; x++)   { p = pIn; R = p[2]; G = p[1]; B = p[0]; if (R + G + B != 0) {   M00++;   M01 += y;   M10 += x; } pIn += 3;   }   pIn += stride - src.Width * 3; } CentreP[0] = (int)(M10 / M00); CentreP[1] = (int)(M01 / M00);  }  src.UnlockBits(bmpData);  return CentreP;  //返回一個數組，該數組中第一個元素是質心的X坐標，  //第二個元素是質心的Y坐標}