Harris角点检测原理及实现，程序不是我写的，csdn的crzy_sparrow写的，感兴趣可以看他的博客！-Harris corner detection principle and implementation, the program is not what I wrote, csdn of crzy_sparrow write, interested can look at his blog!

程序实现的两阶段的稀疏表示的代码，从一个博客上看的，代码很详细~~(Program implementation of the two phase of the sparse representation of the code, from a blog to see, the code is very detailed ~ ~!)