图像先进行DWT一级分解，用两个不相关的伪随机序列分别代表水印信息中的0和1，潜入到小波分解后的LH和HL两个字图上。 注：整个算法分水印嵌入和水印提取两个部分。-images conduct a DWT decomposition, with two not related to the pseudo-random sequence representing the watermark of 0 and 1, sneaked into the wavelet decomposition o

数字水印dwt嵌入过程源代码 -dwt digital watermark embedded in the source code the process of digital watermark embedding process dwt source code