OpenCV 实现自己的线性滤波器

 #include "opencv2/imgproc/imgproc.hpp"
 #include "opencv2/highgui/highgui.hpp"
 #include <stdlib.h>
 #include <stdio.h>

 using namespace cv;

 /** @函数main */
 int main ( int argc, char** argv )
 {
   /// 声明变量
   Mat src, dst;

   Mat kernel;
   Point anchor;
   double delta;
   int ddepth;
   int kernel_size;
   char* window_name = "filter2D Demo";

   int c;

   /// 载入图像
   src = imread( argv[] );

   if( !src.data )
   { return -; }

   /// 创建窗口
   namedWindow( window_name, CV_WINDOW_AUTOSIZE );

   /// 初始化滤波器参数
   anchor = Point( -, - );
   delta = ;
   ddepth = -;

   /// 循环 - 每隔0.5秒，用一个不同的核来对图像进行滤波
   int ind = ;
   while( true )
     {
       c = waitKey();
       /// 按'ESC'可退出程序
       if( (char)c ==  )
         { break; }

       /// 更新归一化块滤波器的核大小
       kernel_size =  + *( ind% );
       kernel = Mat::ones( kernel_size, kernel_size, CV_32F )/ (float)(kernel_size*kernel_size);

       /// 使用滤波器
       filter2D(src, dst, ddepth , kernel, anchor, delta, BORDER_DEFAULT );
       imshow( window_name, dst );
       ind++;
     }

   return ;
 }