通过对局域网的屏幕的监控 来做的， 用visual c++做的课程设计，很好的一个实例-LAN through the screen of the monitor to do with visual c++ to do the curriculum design, an example of good

可以检测到运动物体，并检测到。本方法是基于差帧法的方法。需要两副图片！-keyijiance dao yundong wuti bingjian ce dao ,ben fangf shi juyu chazhen fa de