中文说明：matlab边界自动跟踪程序，该程序可以直接运行，涉及边界判别准则和搜索准则。图像要求为二值图像，可输出为边界的点的坐标和轮廓图像。
English Description：
Matlab boundary automatic tracking program, the program can be run directly, involving boundary criteria and search criteria. The image is required to be a binary image, which can output the coordinates and contour images of the boundary points.