基于机器视觉的车道标识先检测，能够从图片中检测出车道线，主要方法：Hough变换-First detection of machine vision based lane marking, the main method can detect the lane line, the picture: Hough transform

车辆车道线检测，使用CANY提取轮廓，hough变换获得直线。-Vehicle lane detection, contour extraction using CANY, hough transform to obtain a straight line.