中文说明：这是在matlab中编的图像数字水印的嵌入和提取程序，所用变换为小波变换，并实行盲检测，对搞这方面的研究人员非常有用.
English Description：
This is a program for embedding and extracting image digital watermark in MATLAB. The transform is wavelet transform and blind detection is implemented. It is very useful for researchers in this field