用HAAR小波变换,对其小波系数进行提取关系,然后进行零树编码，实现压缩，最后解压缩，还原原图片。本人进行小优化，十分值得借鉴。-Using haar wavelet transform, the wavelet coefficients extracted their relationship, and then zero-tree coding to achieve compression, decompression Finally, restore the original pictur