用于提取视频。这个程序可以用力分析交通视频，提取视频的道路背景，再用其他程序进一步做分析。-Used to extract the video. This program can be forced to analyze traffic video, extract video background of the road, and then do the other programs for further analysis.

该程序可实现遥感影像的道路特征提取，编程平台为matlab，亲测好用(The program can extract road features from remote sensing images, and the programming platform is matlab.)