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#include "cv.h" 
#include "highgui.h" 
 
int main() 
{ 
   IplImage *img = cvLoadImage("qzj1.bmp",-1); 
   IplImage *img_copy ; 
   img_copy = cvCreateImage(cvSize(img->width,img->height),8,3); 
   cvCopy(img,img_copy,0); 
    
   cvSmooth(img,img_copy,CV_MEDIAN,3,0,0,0); 
 
   cvSaveImage("qzj2.jpg",img_copy); 
 
   cvNamedWindow("image",CV_WINDOW_AUTOSIZE); 
   cvNamedWindow("imagecopy",CV_WINDOW_AUTOSIZE); 
   cvShowImage("image",img); 
   cvShowImage("imagecopy",img_copy); 
   cvWaitKey(0); 
   return 0; 
}