一片硕士论文，本文在分析打印扫描对图像影响的基础上，研究了现有的抗打印扫描数字水印算法，并对其进行了改进。 -A master s thesis, the paper analyzing the impact of print scanning the image, based on the study of the existing anti-print scan digital watermarking algorithm, and its improving.

一片基于ICA的数字水印的方法研究的论文，值得看一看-ICA Based on a method of digital watermarking research papers, it is worth a look