A fast encryption algorithm of color image based on four-dimensional chaotic system.
Journal of Visual Communication and Image Representation(2015)
摘要
•A new four-dimensional hyper-chaotic system is proposed.•A new pseudo-random sequence generator is proposed.•Row-major and column-major are proposed to diffuse the image.•The parameters of cat map are related to the original image pixels.
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关键词
Image encryption,Four-dimensional chaotic system,Hyper-chaos,Pseudo-random sequence generator,Diffusion and scrambling,Column-major,Row-major,Cat map with parameters
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