自己写的一个更换图片背景的小程序，可以贴一些自己喜欢的图片做背景，基本框架已经有了 ，使用了openCV，功能还不完善-I myself write a small program to replace the picture background, can be attached to some of my favorite pictures in the background and the basic fr a mework has been used openCV .some funct