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水印 dct 变换和奇异值分解的代码使用 matlab

于 2022-05-13 发布 文件大小:47.06 kB
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代码说明:

这是 matlab 代码的水印算法使用离散余弦变换和奇异值分解,所以文本、 文件或图像,嵌入到数字图像进行 dct 变换和奇异值分解,相结合,然后提取太使用 dct 变换和奇异值分解

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