Quaternion-Based Image Hashing for Adaptive Tampering Localization

  title={Quaternion-Based Image Hashing for Adaptive Tampering Localization},
  author={Cai-Ping Yan and Chi-Man Pun and Xiaochen Yuan},
  journal={IEEE Transactions on Information Forensics and Security},
Image-hashing-based tampering detection methods have been widely studied with continuous advancements. However, most of existing models are designed for a specific tampering. In this paper, we propose a novel quaternion-based image hashing to detect almost all types of tampering, including color changing, copy move, splicing, and so on. First, the quaternion Fourier-Mellin transform is used to calculate the geometric hash to eliminate the influence of geometric distortions. Then, a new… CONTINUE READING
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Quaternion and Octonion Toolbox for Matlab

  • S. J. Sangwine, N. L. Bihan
  • accessed on Sep
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