A new color image encryption scheme based on chaos synchronization of time-delay Lorenz system

In this paper, a new image encryption scheme is presented based on time-delay chaos synchronization. Compared with existing methods, a new method is proposed and a lot of coupled items can be taken as zero items to simplify the whole system. A simple linear controller is introduced to realize time-d...

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Bibliographic Details
Published inAdvances in manufacturing Vol. 4; no. 4; pp. 348 - 354
Main Authors Wang, Hua, Liang, Hang-Feng, Miao, Zhong-Hua
Format Journal Article
LanguageEnglish
Published Shanghai Shanghai University 01.12.2016
Springer Nature B.V
Subjects
Chaos theory
Color imagery
Computer simulation
Control
Disturbances
Encryption
Engineering
Machines
Manufacturing
Mechatronics
Nanotechnology and Microengineering
Processes
Robotics
Synchronism
Synchronization
Linear controller
Chaos synchronization
Color image encryption
Address code
Delay chaotic system
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Summary:In this paper, a new image encryption scheme is presented based on time-delay chaos synchronization. Compared with existing methods, a new method is proposed and a lot of coupled items can be taken as zero items to simplify the whole system. A simple linear controller is introduced to realize time-delay chaos synchronization and image encryption. The positions of the image pixels are firstly shuffled and then be hidden in the carrier image. The address codes of the chaotic sequences are adopted to avoid the disturbances induced by the initial value and computer accuracy error. Simulation results for color image are provided to illustrate the effectiveness of the proposed method. It can be seen clearly that the system can converge quickly and the image can be encrypted rapidly.
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ISSN:2095-3127
2195-3597
DOI:10.1007/s40436-016-0159-0