International Journal of Information and Communication Technology Research

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International Journal of Information and Communication Technology Research


An Image Encryption Scheme Based on 2D Tent Map and Coupled Map Lattice

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Author(s) Ruisong Ye, Wei Zhou
On Pages 344-348
Volume No. 1
Issue No. 8
Issue Date December 01, 2011
Publishing Date December 01, 2011
Keywords 2D tent map; coupled map lattice; chaotic system; image encryption



Abstract

This paper proposes a chaos-based image encryption scheme where one 2D tent map with two control parameters is utilized to generate chaotic orbits applied to scramble the pixel positions while one coupled map lattice is employed to yield random gray value sequences to change the gray values so as to enhance the security. Experimental results are carried out with detailed analysis to demonstrate that the proposed image encryption scheme possesses large key space to resist brute-force attack and possesses good statistical properties to frustrate statistical analysis attacks. Experiments are also performed to illustrate the robustness against malicious attacks like cropping, noising, JPEG compression. 

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