# include opencv2(opencv.HPP # includequickopencv.h # includeiostreamusingnamespacecv; 用户命名空间STD; int main () {QuickDemo qd; mat src=im read (e :/opencv/images/demo.jpg (,IMREAD_GRAYSCALE ); //Mat是矩阵的缩写namedWindow (“输出窗口”,WINDOW_FREERATIO ); //radio是比例的含义cvtcolor(src、src、COLOR_BGR2HSV ); imshow (输出窗口)、src; im write (e :/opencv/images/demo1. jpg )、src ); 维基(0; destroyAllWindows (; 返回0; }
mat src=im read (“e :/opencv/images/demo.jpg”,IMREAD_GRAYSCALE ); 的IMREAD_GRAYSCALE