作者：gnuhpc
出处：http://www.cnblogs.com/gnuhpc/
#include <cv.h>
#include <highgui.h>
int main(void)
{
IplImage *Image1;
IplImage *RedImage,*GreenImage,*BlueImage,*Merged;
IplImage *Channel1,*Channel2,*Channel3;
CvSize Size1;
Image1=cvLoadImage("lena.jpg",1);
Size1=cvGetSize(Image1);
Channel1=cvCreateImage(Size1,IPL_DEPTH_8U,1);
Channel2=cvCreateImage(Size1,IPL_DEPTH_8U,1);
Channel3=cvCreateImage(Size1,IPL_DEPTH_8U,1);
cvSplit(Image1,Channel1,Channel2,Channel3,0);
BlueImage=cvCreateImage(Size1,IPL_DEPTH_8U,3);
GreenImage=cvCreateImage(Size1,IPL_DEPTH_8U,3);
RedImage=cvCreateImage(Size1,IPL_DEPTH_8U,3);
Merged=cvCreateImage(Size1,IPL_DEPTH_8U,3);
cvMerge(Channel1,0,0,0,BlueImage);
cvMerge(0,Channel2,0,0,GreenImage);
cvMerge(0,0,Channel3,0,RedImage);
cvMerge(Channel1,Channel3,Channel1,0,Merged);
cvNamedWindow("Red pic",1);
cvShowImage("Red pic",RedImage);
cvNamedWindow("Green pic",1);
cvShowImage("Green pic",GreenImage);
cvNamedWindow("Blue pic",1);
cvShowImage("Blue pic",BlueImage);
cvNamedWindow("Merged pic",1);
cvShowImage("Merged pic",Merged);
cvWaitKey(0);
}