A medical image encryption algorithm based on synchronization of time-delay chaotic system
Received date: 2016-10-09
Revised date: 2017-04-25
Online published: 2017-06-25
Supported by
This project supported by the National Natural Science Foundation of China (Grant Nos. 51375293, 31570998), and the Science and Technology Commission of Shanghai Municipality (Grant No. 16511108600)
This paper presents a new synchronization method of the time-delay chaotic system and its application in medical image encryption. Compared with the existing techniques, the error system is greatly simplified because many coupled items can be considered zero items. An improved image encryption scheme based on a dynamic block is proposed. This scheme divides the image into dynamic blocks, and the number of blocks is determined by a previous block cipher. Numerical simulations are provided to illustrate the effectiveness of the proposed method.
Hua Wang , Jian-Min Ye , Hang-Feng Liang , Zhong-Hua Miao . A medical image encryption algorithm based on synchronization of time-delay chaotic system[J]. Advances in Manufacturing, 2017 , 5(2) : 158 -164 . DOI: 10.1007/s40436-017-0178-5
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