一种基于OpenCV开发的道路交通视频的背景提取与前景提取。可对对道路的背景进行提取与实时更新，从而提取出运动的车辆。 已通过测试。 -Based on the development of road traffic OpenCV background extraction video extraction and prospectss. May be the background of road extraction and real-time updates in order to ex