A medical image encryption algorithm based on synchronization of time-delay chaotic system

被引：9
|
作者：
Wang, Hua [1 ]
Ye, Jian-Min [1 ]
Liang, Hang-Feng [1 ]
Miao, Zhong-Hua [1 ]
机构：
[1] Shanghai Univ, Sch Mechatron Engn & Automat, Shanghai Key Lab Power Stn Automat Technol, Shanghai 200072, Peoples R China
来源：
ADVANCES IN MANUFACTURING | 2017年 / 5卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Time-delay chaotic system; Zero items; Medical image encryption; Chaos synchronization; PARAMETERS; UNCERTAIN;
D O I：
10.1007/s40436-017-0178-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
引用
收藏
页码：158 / 164
页数：7
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