基于opencv一个小程序，对彩色图像提取7个Hu不变矩，初学者随便看看。-Based on opencv a small program for color image extraction seven Hu invariant moments, beginners casual look.

这是一款适合老年、中年、青年、少年、儿童的休闲益智游戏-This is a suitable for the youth, middle-aged, old, young, children s casual puzzle game