该程序利用OPENCV来获取视频帧，并通过帧差来检测运动车辆和跟踪，还带有AVI文件，效果很好，希望大家喜欢。-OPENCV use the program to obtain video fr a me, and through the fr a me difference to detect and track movement of vehicles, but also with AVI files, well, I hope everyone likes.