本程序应用于基于DWT变换的数字水印技术,包含了嵌入、提取及攻击过程。-This procedure applied to the digital watermarking technique based on DWT, including the process of embedding, and attack.

用小波实现图像的三层分解与重构,并且含有嵌入水印的程序，实现了对水印图像的各种攻击，有很好的实验结果-using wavelet to decompositiom and reconstruction image this method have an good stability and it can through kinds of attracts