这是一个小的matlab源码。实现了水印过程的提取，并对于水印的嵌入效果和作用做了量化分析。对于做水印初入门的人有一定的借鉴意义-This is a small matlab source code. Achieved a watermark extraction process, and for the effect and role of the embedded watermark has done a quantitative analysis. For those who do wat