中文说明：是自己上模式识别讨论课时黄庆明老师布置的大作业，是关于基于消失点的道路侦测算法，对视觉导航研究很有帮助
English Description：
It's a big assignment assigned by Huang Qingming in the pattern recognition discussion class. It's about the road detection algorithm based on vanishing point, which is very helpful to the research of visual navigation