本程序功能为实现基于压缩感知的数字图像水印算法，主要包括水印嵌入、水印提取及子程序三大部分。水印载体图像和原水印图像使用者可以自行更改。(This program functions for the realization of compression based digital image watermarking algorithm, including watermark embedding, watermark extraction and subroutines three major parts. The watermark carrier image and the original watermark image can be changed by the user.)