数字水印Watermarking
水印算法包括空间域的水印算法研究，主要包括LSB算法、Patchwork算法、文档微调算法等；另一类就是频域的水印算法研究，主要有基于DFT域、基于DCT域和基于DWT域的水印算法研究等
LSB算法不能很好的经受JPEG攻击，扩展名更改后，数字水印遭到严重的破坏
Patchwork算法可以抵抗JPEG压缩能力
扩频水印算法对JPEG压缩工具具有较好的稳健性,对高斯噪声和椒盐噪声攻击
DM水印算法对JPEG压缩无法抵抗
小波水印可以抵抗JPEG压缩攻击，对高斯噪声抵抗力较弱，对椒盐噪声有较强的鲁棒性
代码中支持
LSB混沌水印、Patchwork水印、LSB图像水印、扩频水印、DM图像水印的嵌入和提取
代码可运行
文件下载
资源详情
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