State feedback-based secure image cryptosystem using hyperchaotic synchronization

被引:19
作者
Hammami, Sonia [1 ]
机构
[1] Natl Engn Sch Tunis, Dept Elect Engn, Tunis 1002, Tunisia
关键词
Hyperchaotic systems; Synchronization; Aggregation techniques; Arrow form matrix; State feedback; Secure cryptosystem; CHAOTIC SYSTEM; GENERALIZED SYNCHRONIZATION; ANTI-SYNCHRONIZATION; ENCRYPTION; CHEN;
D O I
10.1016/j.isatra.2014.05.027
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper deals with a new state feedback-based synchronization problem for coupled hyperchaotic systems. In the beginning, complete synchronization conditions of coupled chaotic systems, are provided. The active control law developed is based on the use of both aggregation techniques for error dynamics stability study and the arrow form matrix for systems description. After that, the proposed feedback-based synchronization between two identical hyperchaotic systems is successfully applied for transmitting an encoded image. To finish, numerical simulations are carried out to assess the performance and the efficiency of the proposed contributions in the important field of secure image encryption. (C) 2014 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:52 / 59
页数:8
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