中文说明：在进行车道线检测时，采集道路的图像，先对图像进行灰度化，然后进行二值化后，最后再进行开运算，与只进行二值化做对比，matlab仿真运行，结果不错
English Description：
At the time of lane detection, collecting images of the road, gray-scale the image first, and then after the binary, then the opening operation, and compares it to the binary-only, MATLAB simulation run results nice