用opencv写的视频入侵检测。分通道HSV，固定背景下效果很好。-Written with opencv video intrusion detection. Sub-channel HSV, fixed background works well.

利用Opencv对运动目标（包括汽车，行人）的AVI视频进行检测并跟踪。效果十分显著。 - detect and tracking the moving targets (including cars, pedestrians) AVI video detection and tracking. Effect is very significant.