8 December 2015 A high capacity multiple watermarking scheme based on Fourier descriptor and Sudoku
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Proceedings Volume 9875, Eighth International Conference on Machine Vision (ICMV 2015); 98751E (2015) https://doi.org/10.1117/12.2229524
Event: Eighth International Conference on Machine Vision, 2015, Barcelona, Spain
Abstract
Digital watermark is a type of technology to hide some significant information which is mainly used to protect digital data. A high capacity multiple watermarking method is proposed, which adapts the Fourier descriptor to pre-process the watermarks, while a Sudoku puzzle is used as a reference matrix in embedding process and a key in extraction process. It can dramatically reduce the required capacity by applying Fourier descriptor. Meanwhile, the security of watermarks can be guaranteed due to the Sudoku puzzle. Unlike previous algorithms applying Sudoku puzzle in spatial domain, the proposed algorithm works in transformed domain by applying LWT2.In addition, the proposed algorithm can detect the temper location accurately. The experimental results demonstrated that the goals mentioned above have been achieved.
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Li Zhang, Li Zhang, Huimin Zheng, Huimin Zheng, } "A high capacity multiple watermarking scheme based on Fourier descriptor and Sudoku", Proc. SPIE 9875, Eighth International Conference on Machine Vision (ICMV 2015), 98751E (8 December 2015); doi: 10.1117/12.2229524; https://doi.org/10.1117/12.2229524
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