IplImage* src = cvLoadImage（"rice.bmp",）;

   CvMat* mat=cvCreateMat(src->height,src->width,CV_32SC1);

   cvConvert(src,mat);

Cvmat matObj;

* mat=cvGetmat(src,&matObj);

IplImage* pImg = cvCreateImage(cvGetSize(mat),,);

cvGetImage(matI,pImg);

cvSaveImage("rice1.bmp",pImg);

#include <cv.h>

#include <highgui.h>

#include <stdio.h>

int main()

{

     IplImage *Image1;

     IplImage *Image2;

     CvMat *Matrix1;

     CvSize Size1;

     Image1=cvLoadImage("footpath.jpg",);

     Size1=cvGetSize(Image1);

     Image2=cvCreateImageHeader(Size1,IPL_DEPTH_8U,);

     Matrix1=cvCreateMatHeader(Size1.height,Size1.width,CV_8UC3);

     cvGetMat(Image1,Matrix1);

     cvFlip(Matrix1,Matrix1,);

     cvGetImage(Matrix1,Image2);

     cvNamedWindow("footpath (Flip)",);

     cvShowImage("footpath (Flip)",Image2);

     cvWaitKey();

     cvReleaseImage(&Image1);

     cvReleaseImageHeader(&Image2);

     cvReleaseMatHeader(&Matrix1);

     cvDestroyWindow("footpath (Flip)");

}