Optimization algorithm of digital watermarking anti-coalition attacks in DWT-domain based on genetic algorithm

Dashun Que; Gang Li

doi:10.1117/12.749749

14 November 2007 Optimization algorithm of digital watermarking anti-coalition attacks in DWT-domain based on genetic algorithm

Dashun Que, Gang Li

Author Affiliations +

Proceedings Volume 6789, MIPPR 2007: Medical Imaging, Parallel Processing of Images, and Optimization Techniques; 678929 (2007) https://doi.org/10.1117/12.749749
Event: International Symposium on Multispectral Image Processing and Pattern Recognition, 2007, Wuhan, China

Abstract

An adaptive optimization watermarking algorithm based on Genetic Algorithm (GA) and discrete wavelet transform (DWT) is proposed in this paper. The core of this algorithm is the fitness function optimization model for digital watermarking based on GA. The embedding intensity for digital watermarking can be modified adaptively, and the algorithm can effectively ensure the imperceptibility of watermarking while the robustness is ensured. The optimization model research may provide a new idea for anti-coalition attacks of digital watermarking algorithm. The paper has fulfilled many experiments, including the embedding and extracting experiments of watermarking, the influence experiments by the weighting factor, the experiments of embedding same watermarking to the different cover image, the experiments of embedding different watermarking to the same cover image, the comparative analysis experiments between this optimization algorithm and human visual system (HVS) algorithm and etc. The simulation results and the further analysis show the effectiveness and advantage of the new algorithm, which also has versatility and expandability. And meanwhile it has better ability of anti-coalition attacks. Moreover, the robustness and security of watermarking algorithm are improved by scrambling transformation and chaotic encryption while preprocessing the watermarking.

Citation Download Citation

Dashun Que and Gang Li "Optimization algorithm of digital watermarking anti-coalition attacks in DWT-domain based on genetic algorithm", Proc. SPIE 6789, MIPPR 2007: Medical Imaging, Parallel Processing of Images, and Optimization Techniques, 678929 (14 November 2007); https://doi.org/10.1117/12.749749

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KEYWORDS

Digital watermarking

Optimization (mathematics)

Discrete wavelet transforms

Image processing

Binary data

Genetics

Genetic algorithms

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