基于数字水印算法，包含多种攻击方法，同时兼有脆弱和鲁棒水印。-Based on digital watermarking system, which involves a variety of attack methods, while both fragile and robust watermark.

基于高斯白噪声的数字水印设计及水印攻击Matlab仿真-Digital watermarking based on gaussian white noise design and watermark attack the Matlab simulation