A Color Image Watermarking Scheme Based on Chaotic Maps

Abstract:

A color image watermarking scheme using the chaotic properties of 2D tent map and Chebyshev map is proposed. Given control parameters and initial values, one can iterate the 2D tent map to get one chaotic sequence and obtain one permutation by sorting the chaotic sequence in ascending order. The permutation is then utilized to shuffle the blue channel components of color image as a preprocessing stage to enhance the security, imperceptibility and robustness of watermarking. Meanwhile, one can iterate the Chebyshev map to generate another chaotic sequence to determine the embedding bit positions and strengthen the security as well. Experiment results show that the watermarking scheme is secure with large key space, imperceptible and robust against cropping, noise attacks.

• Periodical: Applied Mechanics and Materials (Volumes 543-547)
• Pages: 2304-2307
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.543-547.2304
• Online since: March 2014
• Authors: Rui Song Ye*, Hui Qing Huang, Rui Feng Chen
• Keywords: Chaotic System, Chebyshev Map, Image Watermarking Image, Tent Map

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