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A new parallel image cryptosystem based on 5D hyper-chaotic system

delete2017-03-01
delete61
PRE
AI
H
Hong-Mei Yuan
Y
Ye Liu *
T
Tao Lin
胡婷 (Ting Hu)
L
Li-Hua Gong
DOI:10.1016/j.image.2017.01.002delete
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Abstract

Abstract

En 中文
A new parallel image cryptosystem is presented using 5D hyper-chaotic system. The 5D hyper-chaotic system is combined with Logistic map for the generation of pseudo-random sequences of better properties. Different from the general image cryptosystems, plain image is divided into levels. Pixels within the same level are processed in a parallel way. Moreover, the encryption procedure of each pixel is directly decided by two encrypted pixels which are closest to it of its neighbor level. In this way, the provided 5D hyper-chaotic based parallel image cryptosystem could achieve excellent plaintext sensitivity and relatively satisfactory speed performance. Numerous simulations are conducted, and security analyses based on the simulation results are exhibited in support of the security and availability of the proposed 5D hyper-chaotic based parallel image cryptosystem.
Keywords:
Parallel image cryptosystem
5D hyper-chaotic system
Pseudo-random sequences
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Journal

S
Signal Processing and Image Communication
IF:
2.7
Papers:
2.8K
Citations:
4.2K

Organization

N
Nanchang University
Scholars:
3.7W
Papers: 2.1W
Citations: 3.7W