Win8 Metro(C#)数字图像处理--2.39二值图像投影

Win8 Metro(C#)数字图像处理--2.39二值图像投影

原文: Win8 Metro(C#)数字图像处理--2.39二值图像投影



[函数名称]

  二值图像投影         ImageProjection(WriteableBitmap src)

[算法说明]

[函数代码]

        /// 

        /// Get projections of X and Y direction. 
        /// 
        /// The source image.
        /// 
        public static int[][] ImageProjection(WriteableBitmap src)////二值图像投影
        {
            if (src != null)
            {
                int w = src.PixelWidth;
                int h = src.PixelHeight;
                int[][] Centerpoint = new int[2][];
                Centerpoint[0] = new int[w+1];
                Centerpoint[1] = new int[h+1];
                int b = 0, g = 0, r = 0;
                byte[] temp = src.PixelBuffer.ToArray();
                for (int y = 0; y < h; y++)
                {
                    for (int x = 0; x < w * 4; x += 4)
                    {
                        b = temp[x + y * w * 4];
                        g = temp[x + 1 + y * w * 4];
                        r = temp[x + 2 + y * w * 4];
                        if (r + g + b == 0)
                        {
                            Centerpoint[1][y]++;
                        }
                    }
                }
                for (int x = 0; x < w * 4; x += 4)
                {
                    for (int y = 0; y < h; y++)
                    {
                        b = temp[x + y * w * 4];
                        g = temp[x + 1 + y * w * 4];
                        r = temp[x + 2 + y * w * 4];
                        if (r + g + b == 0)
                        {
                            Centerpoint[0][(int)(x/4)]++;
                        }
                    }
                }
                return Centerpoint;
            }
            else
            {
                return null;
            }
        }
 
       
 
       
 
       
 
 
       

 
       

 
       

 
        
      

posted on 2018-03-13 10:28 NET未来之路 阅读( ...) 评论( ...) 编辑 收藏

转载于:https://www.cnblogs.com/lonelyxmas/p/8554411.html