说明：  实现目标跟踪，可以跟踪到所有的车辆，对当前的交通状况可以做一个反馈，能动态跟踪到所有的车辆，并对所有的车辆做一个标记，含有跟踪视频例子。
(Achieve target tracking, you can track of all vehicles on the current traffic situation can do a feedback that can dynamically track to all vehicles, and all vehicles to make a mark, containing the track video examples.)