文件包包含4篇笔者在研究二值图像细化时所保留下来的优秀文章，文章详细介绍了有关二值图像细化的知识和算法，对我们研究二值图像算法有很好的作用。-File package contains the author of four binary image thinning best preserved when the article, the article introduces the binary image thinning of the knowledge and algorithms, we study the binary image algorithm has a good effect.