Color Image Encryption Algorithm with Reality-preserving Fractional Discrete Cosine Transform and Spatiotemporal Chaotic Mapping

被引：0
|
作者：
Liang Ya-ru [1 ]
Liu Guo-ping [1 ]
Wu Jian-hua [2 ]
机构：
[1] Nanchang Univ, Sch Mechatron Engn, Nanchang, Peoples R China
[2] Nanchang Univ, Dept Elect Informat Engn, Nanchang, Peoples R China
来源：
PROCEEDINGS OF 2015 INTERNATIONAL CONFERENCE ON INTELLIGENT COMPUTING AND INTERNET OF THINGS | 2015年
关键词：
Reality-preserving fractional discrete cosine transform; spatiotemporal chaotic mapping; image encryption; MAP;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A color image encryption scheme is proposed based on a reality-preserving fractional discrete cosine transform (RPFrDCT) and spatiotemporal chaotic mapping. The scrambling and diffusion operations are carried out after the RPFrDCT and make three components of image affect each other. The main advantages of this scheme are the real-valued output, the nonlinear manipulation, the high sensitiveness and high robustness to the cipher keys. Experimental results demonstrate that the proposed encryption scheme is feasible and effective.
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页码：94 / 98
页数：5
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