Chaotic image encryption based on bidimensional empirical mode decomposition and double random phase encoding

被引：1
|
作者：
Huiqing Huang
Yongtao He
Shouzhi Yang
Ruisong Ye
机构：
[1] Jiaying University,School of Mathematics
[2] Shantou University,Department of Mathematical
来源：
Multimedia Tools and Applications | 2020年 / 79卷
关键词：
Image encryption; Bidimensional empirical mode decomposition; Double random phase encoding; Lorenz system;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, to enhance the security of double random phase encoding (DRPE), Lorenz system and bidimensional empirical mode decomposition (BEMD) are introduced into an image encryption process. By means of BEMD, the original grayscale image is decomposed into three sub-images, then they are diffused and confused by using the pseudorandom sequences generated by Lorenz system. At last, the three result images are encoded by using DRPE, we obtain the color ciphered image. Thorough experimental tests are carried out with detailed analysis, demonstrating the feasibility and high security of the new scheme.
引用
收藏
页码：28065 / 28078
页数：13
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