此系统是基于Opencv和VC，可以检测到运动中的物体，对于动作识别有很大的帮助！-This system is based on Opencv and VC can detect the movement of objects, a great help for action recognition!

边缘检测、显示视频、缩小、平滑、滑动实现开关作用-Edge detection, display video, narrow, smooth sliding action of switch