Spatiotemporal chaos in multiple coupled mapping lattices with multi-dynamic coupling coefficient and its application in color image encryption

Xingyuan Wang and Jingjing Yang

Chaos, Solitons & Fractals, 2021, vol. 147, issue C

Abstract: This paper proposes a new sine-multi dynamic multiple coupling mapping lattice (SMDMCML). Through comprehensive analysis, the SMDMCML system enhances the behavior of spatiotemporal dynamics and is more stable on the whole. Moreover, the states of lattices in SMDMCML are more chaotic than the coupled map lattice (CML) or even the multiple coupled mapping lattices (MCML) models. Therefore, a new two-way independent diffusion in color image encryption algorithm is proposed based on SMDMCML. Through simulation experiments analysis, R, G, and B components have lower correlation and higher sensitivity. This further proves that SMDMCML system has good chaotic performance and conforms to characteristics of cryptography.

Keywords: SMDMCML system; Multi-dynamic coupling; Two-way independent diffusion; Spatiotemporal chaos; Image encryption (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:147:y:2021:i:c:s0960077921003246

DOI: 10.1016/j.chaos.2021.110970

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