a-watermarking-based-on-dct
所属分类:图形图像处理
开发工具:matlab
文件大小:49KB
下载次数:29
上传日期:2011-05-19 09:02:04
上 传 者:
jxzjxz10
说明: 这个基于dct的数字水印的嵌入和提取算法实现。对原始图像进行4*4的分块,并将生成的水印信息嵌入的4*4的低频中。提取是嵌入的逆运算。算法效果挺好的。
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文件列表:
a watermarking based on dct\Cameraman.bmp (66614, 2011-05-11)
a watermarking based on dct\in.m (873, 2011-05-11)
a watermarking based on dct\mark.bmp (574, 2011-05-11)
a watermarking based on dct\out.m (934, 2011-05-11)
a watermarking based on dct\Thumbs.db (7168, 2011-05-11)
a watermarking based on dct (0, 2011-05-19)
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