中文说明：里面有对视频中的车辆进行检测，然后计算每帧中的车辆数量，最后统计这段视频中的车辆总数。可以使用，效果不错。
English Description：
There are on the video vehicle detection, and then calculate the number of vehicles in each frame, the final statistics of the total number of vehicles in this video. Can be used, the effect is good.