中文说明：一个图像中的实体与实体之间会一定的边界，本代码的作用就是将这些边界描上色彩然后提取出来。首先进入yu_imncut文件夹中，将所有的.c文件进行编译。mex *.c然后在此文件夹下运行sp_demo.m即可得到分割线，保存在A.jpg中。
English Description：
An image in the entities and between entities of a certain boundaries, this code does is to move the boundary stroke color and then extracted. First of all into the yu_imncut folder and all. c files to compile. MEX *.c under this folder, and then run sp_demo.m to get dividing line, saved A.jpg.