中文说明：
这是一个关于图像轮廓提取的matlab源码程序！！我认为还不错哦！！请大家试试看啊！！谢谢大家的大力的支持与大理的关注。
English Description：
This is a matlab source code program about image contour extraction!! I think it's not bad!! Please have a try!! Thank you for your strong support and Dali's attention