A robust color image watermarking algorithm against rotation attacks
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1. Basic Experimental Center, Civil Aviation University of China, Tianjin 300300, China;2. College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China ;3. College of Science, Civil Aviation University of China, Tianjin 300300, China

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    Abstract:

    A robust digital watermarking algorithm is proposed based on quaternion wavelet transform (QWT) and discrete cosine transform (DCT) for copyright protection of color images. The luminance component Y of a host color image in YIQ space is decomposed by QWT, and then the coefficients of four low-frequency subbands are transformed by DCT. An original binary watermark scrambled by Arnold map and iterated sine chaotic system is embedded into the mid-frequency DCT coefficients of the subbands. In order to improve the performance of the proposed algorithm against rotation attacks, a rotation detection scheme is implemented before watermark extracting. The experimental results demonstrate that the proposed watermarking scheme shows strong robustness not only against common image processing attacks but also against arbitrary rotation attacks.

    Reference
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HAN Shao-cheng, YANG Jin-feng, WANG Rui, JIA Gui-min. A robust color image watermarking algorithm against rotation attacks[J]. Optoelectronics Letters,2018,14(1):61-66

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History
  • Received:September 18,2017
  • Revised:November 02,2017
  • Online: January 08,2018
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