#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/opencv.hpp>
#include <opencv2/highgui/highgui_c.h>

using namespace cv;
int main(int argc, char** argv)
{
   namedWindow("Before" , CV_WINDOW_AUTOSIZE);

   // Load the source image
   Mat src = imread( "kam.jpg", 1);

   // Create a destination Mat object
   Mat dst;
   Mat out;
   Mat out1;
   // display the source image
   imshow("Before", src);
   for (int i=1; i<=10; i=i+2)
   {
      // smooth the image in the "src" and save it to "out1"
      blur(src, out1, Size(i,i));
      // Gaussian smoothing and median
      GaussianBlur( src, dst, Size( i, i ), 0, 0 );
      medianBlur(src,out,i);
   }
   imshow( "Gaussian filter", dst );
      imshow( "Median filter", out );
      imshow( "homogenous blur filter", out1 );
      waitKey(0);
}