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01-12-2016 | Issue 4/2016

Advances in Manufacturing 4/2016

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

Journal:
Advances in Manufacturing > Issue 4/2016
Authors:
Hua Wang, Hang-Feng Liang, Zhong-Hua Miao

Abstract

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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