Chaotic trigonometric Haar wavelet with focus on image encryption

被引：6

作者：

Ahadpour S. ^{[1
]}

Sadra Y. ^{[1
,2
]}

机构：

[1] Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil

[2] Department of Computer Sciences, Shandiz Institute of Higher Education, Mashhad

来源：

Ahadpour, Sodeif (ahadpour@uma.ac.ir) | 1600年 / Taru Publications卷 / 20期

关键词：

Chaos; Cryptography; image encryption; Trigonometric maps; Wavelets;

D O I：

10.1080/09720529.2016.1187958

中图分类号：

学科分类号：

摘要：

In this paper, after reviewing the main points of Haar wavelet transform and chaotic trigonometric maps, we introduce a new perspective of Haar wavelet transform. The essential idea of the paper is given linearity properties of the scaling function of the Haar wavelet. With regard to applications of Haar wavelet transform in image processing, we introduce chaotic trigonometric Haar wavelet transform to encrypt the plain images. In addition, the encrypted images based on a proposed algorithm were made. To evaluate the security of the encrypted images, the key space analysis, the correlation coefficient analysis and differential attack were performed. Here, the chaotic trigonometric Haar wavelet transform tries to improve the problem of failure of encryption such as small key space and level of security. © 2017 Taru Publications.

引用

页码：1217 / 1239

页数：22

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