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Volume 26 Issue 12
Dec.  2004
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Sang Mao-dong, Zhao Yao. Digital Image Watermarking Resisting to Geometrical Attacks[J]. Journal of Electronics & Information Technology, 2004, 26(12): 1875-1881.
Citation: Sang Mao-dong, Zhao Yao. Digital Image Watermarking Resisting to Geometrical Attacks[J]. Journal of Electronics & Information Technology, 2004, 26(12): 1875-1881.

Digital Image Watermarking Resisting to Geometrical Attacks

  • Received Date: 2003-07-05
  • Rev Recd Date: 2004-01-22
  • Publish Date: 2004-12-19
  • In this paper a watermarking scheme for digital image that can resist geometrical attacks is proposed. The watermark is a key-dependent random vector according to Gaussian distribution. After preprocessed and periodized, the watermark is embedded into cover image in spatial domain exploiting the properties of HVS. The cover image is not needed in watermark detection process. First, compute the Autocorrelation Function(ACF) of estimated watermark. The peaks of ACF are used to determine the geometrical attacks applied to the stegoimage. Experimental results show the scheme is robust to compression, filtering, cropping as well as geometrical attacks.
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