是一种基于像素的运动检测方法，它过对视频图像序列中相邻的两个或三个图像进行差分运算来获得运动物体轮廓-Is a pixel-based motion detection method, which over the video image sequence of two or three adjacent image difference operation to get the outline of moving objects

vc++实现图像锐化及边缘检测，试过了，可以运行-vc++ to achieve image enhancement and edge detection, tried, and can run