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DWT

于 2009-03-22 发布 文件大小:2KB
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代码说明:

  代码利用DWT算法实现了电子水印技术。 其中包括了水印的插入,提取,以及4种不同的攻击。最后,测量了psnr(This algorithm describe digital watermark algorithm by using DWT. It implements embedding, extraction, and 4 different attacks. in the end, it measures psnr)

文件列表:

DWT.m
psnr.m

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