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    2006
    ACM
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    Quaternion image watermarking using the spatio-chromatic fourier coefficients analysis
    13 years 10 months ago
    Quaternion image watermarking using the spatio-chromatic fourier coefficients analysis
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    Tsz Kin Tsui, Xiao-Ping Zhang, Dimitrios Androutso...
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    TIFS
    2008
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    Color Image Watermarking Using Multidimensional Fourier Transforms
    13 years 4 months ago
    Color Image Watermarking Using Multidimensional Fourier Transforms
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    This paper presents two vector watermarking schemes that are based on the use of complex and quaternion Fourier transforms and demonstrates, for the first time, how to embed waterm...
    Tsz Kin Tsui, Xiao-Ping Zhang, Dimitrios Androutso...
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