原文:http://hi.baidu.com/tmacxiaok/item/fdb1bdcfe4bd08b20c0a7b7a
OpenCV中如何累加多幅图像并取平均值
IplImage * img1 = cvLoadImage("111.jpg");
IplImage * img2 = cvLoadImage("222.jpg");
IplImage * img3 = cvLoadImage("333.jpg");
IplImage * img_sum = cvCreateImage(cvGetSize(img1),IPL_DEPTH_32F,3);
cvZero(img_sum);
cvAcc(img1,img_sum);
cvAcc(img2,img_sum);
cvAcc(img3,img_sum);
IplImage * img_sum_gray = cvCreateImage(cvGetSize(img1),IPL_DEPTH_8U,3);
cvConvertScale(img_sum,img_sum_gray,1.0/3.0);
cvNamedWindow("img_sum_gray");
cvShowImage("img_sum_gray",img_sum_gray);
cvWaitKey(3000);
cvSaveImage("img_sum_gray.png",img_sum_gray);
cvDestroyAllWindows();
cvReleaseImage(&img1);
cvReleaseImage(&img2);
cvReleaseImage(&img3);
cvReleaseImage(&img_sum);
cvReleaseImage(&img_sum_gray);



