读取指定帧并灰度化并canny边缘提取及灰度直方图及RGB值，借用OPENCV-Reads the specified frame and the graying and the canny edge detection and histogram and RGB value, using OPENCV

基于MFC实现opencv图像显示、灰度化、旋转、边缘检测和缩放功能-Opencv display, gray, rotate, edge detection and zoom image based on the MFC