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Multi-dimensional particle swarm optimization for robust blind image watermarking using intertwining logistic map and hybrid domain

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Abstract

Robust blind watermarking has become a vital means of copyright protection, and this paper presents a new optimal robust and blind watermarking method of grayscale images based on intertwining logistic map and a variant of particle swarm optimization (PSO) in a hybrid domain. In the proposed approach, firstly a host image is decomposed by discrete wavelet transform, and discrete cosine transform (DCT) is applied to insensitive LH and HL subbands according to human visual model. Then, optimum frequency spectra in the DCT domain are chosen to form a feature matrix for improving the robustness and transparency of watermark. Finally, a shuffled watermark image using the chaotic logistic map is inserted by modifying the largest singular values of a feature matrix pair in the singular value decomposition domain. An improved version of PSO is employed to perform multi-dimensional optimization for selection of the most qualified DCT coefficients and estimation of watermark embedding strength in terms of their significant influence on imperceptibility and robustness. The security of the proposed method is provided by intertwining logistic map. Experimental results on standard test images indicate that PSO searches efficiently optimal values of watermark embedding strength and the most suitable DCT subbands, and the proposed watermarking algorithm performs much better than the other compared schemes in imperceptibility and robustness objectives.

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Acknowledgements

This work was supported by the Scientific Research Program Funded by Shaanxi Provincial Education Department (Program No. 15JK1504), the National Natural Science Foundation of China (Grant Nos. 61671374, 61671376, 61771386) and the Natural Science Basic Research Plan in Shaanxi Province of China (Program No. 2016JM6045). The authors would like to thank the anonymous reviewers for their valuable comments.

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Correspondence to Xiaobing Kang.

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Communicated by V. Loia.

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Kang, X., Chen, Y., Zhao, F. et al. Multi-dimensional particle swarm optimization for robust blind image watermarking using intertwining logistic map and hybrid domain. Soft Comput 24, 10561–10584 (2020). https://doi.org/10.1007/s00500-019-04563-6

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  • DOI: https://doi.org/10.1007/s00500-019-04563-6

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