中文说明：包含二值化、canny算子边缘检测、感兴趣区域提取、自动多阈值分割等程序，及分水岭分割和连通域字符识别两篇文章。
English Description：
Including binarization, Canny operator edge detection, region of interest extraction, automatic multi threshold segmentation and other programs, and watershed segmentation and connected domain character recognition two articles.