A SELECTIVE IMAGE ENCRYPTION BASED ON COUPLE SPATIAL CHAOTIC SYSTEMS

被引：3
作者：
Wang, Xing-Yuan [1 ]
Wang, Tian [1 ]
Xu, Da-Hai [1 ]
Chen, Feng [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 | 2014年 / 28卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Selective image encryption; spatial chaotic system; couple chaotic systems; ALGORITHM; SCHEME;
D O I：
10.1142/S0217979214500234
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, we present a selective image encryption system based on couple spatial chaotic systems, the cascade one-dimensional Logistic map and high-dimensional spatial chaotic system has been used to generate the adequate encryption sequence, then the selective gray-level image encryption is implemented with the sequence, which can greatly improve the encryption performance and efficiency. In addition, we also adopt an index array to control the generation of the secret key, a completely different cipher text will be obtained if a pixel's value is altered in the original image, which can resist the differential attack effectively.
引用
收藏
页数：10
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