OPENCV统计比较图像亮度_图像亮度统计

统计比较图像亮度

int main()
{
    IplImage* imgA = cvLoadImage ("E:\\vcprojects\\opencv\\a.bmp", CV_LOAD_IMAGE_GRAYSCALE);
    IplImage* imgB = cvLoadImage ("E:\\vcprojects\\opencv\\b.bmp", CV_LOAD_IMAGE_GRAYSCALE);
 
    cvNamedWindow ("a", CV_WINDOW_AUTOSIZE);
    cvNamedWindow ("b", CV_WINDOW_AUTOSIZE);
    cvShowImage ("a", imgA);
    cvShowImage ("b", imgB);
 
    CvScalar scalarA = cvAvg(imgA);        
    CvScalar scalarB = cvAvg(imgB);        printf ("avg A:%f avg B:%f\n", scalarA.val[0], scalarB.val[0]);
 
    cvWaitKey(0);
 
    cvReleaseImage (&imgA);
    cvReleaseImage (&imgB);
    cvDestroyWindow ("a");
    cvDestroyWindow ("b");
}