Robust blind image watermarking based on chaotic mixtures
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A novel blind image watermarking scheme based on chaotic mixtures is proposed in the paper. The black and white watermark image is firstly scrambled by the use of logistic maps and then embedded into the second-level approximation coefficients of host image in the domain of discrete wavelet transform. Experimental results demonstrate that the proposed scheme exhibits very good properties including imperceptibility, robustness and security against conventional image processing and geometrical attacks such as JPEG compression, low-pass filtering, median filtering, Gaussian noise, scaling, rotating, cropping and translation. Experimental results also show superiority of the proposed scheme over existing algorithms with a similar approach. The proposed scheme provides a new viable option for copyright protection of digital multimedia.
KeywordsBlind watermarking Chaotic map Wavelet transform Robustness Security
This research was partially supported by the Natural Science Foundation of China under Contract No. 61274133, the Natural Science Foundation of Fujian Province, China, under Contract No. 2012J01279, the Scholarship for Overseas Studies in Fujian Province (2012–2013), China, and the US National Science Foundation under Grants CNS-1016260, ECCS-1307949 and EARS-1444009.
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