An Image Encryption Scheme Based on Permutation-subsitution Architecture at Half Pixel Level

被引：0
|
作者：
Ye, Ruisong [1 ]
Zhao, Junqin [1 ]
机构：
[1] Shantou Univ, Dept Math, Shantou 515063, Guangdong, Peoples R China
来源：
PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEMS RESEARCH AND MECHATRONICS ENGINEERING | 2015年 / 121卷
关键词：
Arnold map; Chaos; Permutation; Substitution; Image Encryption;
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：
An image encryption scheme using permutation-substitution mechanism at half pixel level is proposed. One round of permutation and one round of substitution achieve desirable results. In the permutation process, the image sized HxW is expanded to one sized Hx2W. The generalized Arnold map is applied to generate the pseudo-random sequences for the permutation and substitution processes implemented row-by-row/column-by-column instead of pixel-by-pixel to increase the encryption rate. The security and performance of the proposed scheme have been analyzed as well.
引用
收藏
页码：45 / 48
页数：4
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