HE Bing and WANG Dong-hua. A blind watermarking algorithm against rotation attack based on SVD and multiple-level discrete cosine transform[J]. Journal of Light Industry, 2011, 26(4): 89-93. doi: 10.3969/j.issn.1004-1478.2011.04.021
Citation:
HE Bing and WANG Dong-hua. A blind watermarking algorithm against rotation attack based on SVD and multiple-level discrete cosine transform[J]. Journal of Light Industry, 2011, 26(4): 89-93.
doi:
10.3969/j.issn.1004-1478.2011.04.021
A blind watermarking algorithm against rotation attack based on SVD and multiple-level discrete cosine transform
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Dept. of Physics and Electr. Eng., Weinan Teachers Univ., Weinan 714000, China;
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Dept. of Chem. and Chemical Eng., Weinan Teachers Univ., Weinan 714000, China
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Received Date:
2011-03-17
Available Online:
2011-07-15
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Abstract
The idea of multiple-level from contourlet transform and discrete wavelet transform is expanded to discrete cosine transform domain,and traditional watermarking methods are analyzed which in DCT domain can't resist to geometric attacks.A blind watermarking algorithm against rotation attack based on SVD and multiple-level discrete cosine transform was proposed.Firstly the host image is transformed from Cartesian coordinate to logarithm polar coordinate,then multiple-level discrete cosine transform is applied in LPM.After MDCT,the host image is decomposed with SVD.Finally,the binary watermark image after affine transform is embedded into the singular value of the image.The simulation experiment results demonstrate the proposed method is better than traditional algorithms based on DCT in commonplace signal processing,such as:adding noise,filtering and JPEG compression etc.it is also robust enough for rotation attacks.
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