A NOVEL ALGORITHM FOR IMAGE ENCRYPTION BASED ON COUPLE CHAOTIC SYSTEMS

被引：11
作者：
Wang Xing-Yuan [1 ]
Wang Tian [1 ]
机构：
[1] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dalian 116024, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2012年 / 26卷 / 30期
基金：
中国国家自然科学基金;
关键词：
Couple chaotic systems; spatiotemporal chaotic system; image encryption; MAPS;
D O I：
10.1142/S0217979212501755
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, an image encryption algorithm based on couple multiple chaotic systems is presented. It made the one-dimensional Coupled Map Lattice (CML) formed by Skew Tent map as spatiotemporal chaotic system and made its output sequence as the initial value of logistic and meanwhile did iterative of specific times to get the final key sequence, and then did XOR operations with corresponding pixels to finish the encryption. Numerical analysis expresses that this algorithm has large enough space and high security.
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页数：9
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