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a-dft-watermark

于 2011-05-11 发布 文件大小:99KB
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  基于傅里叶变换的数字水印算法,在原始图像的傅里叶变换域中对称的嵌入数字水印信息(Fourier transform-based digital watermarking algorithm, the original image of the Fourier transform domain, the embedded digital watermark information symmetry)

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