A Hybrid Domain Medical Image Encryption Scheme Using URUK and WAM Chaotic Maps with Wavelet - Fourier Transforms

Q3 Computer Science

Journal of Cyber Security and Mobility Pub Date : 2023-06-30 DOI:10.13052/jcsm2245-1439.1241

Ali Akram Abdul-Kareem, W. A. M. Al-Jawher

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引用次数: 0

Abstract

Image encryption is one of the most important techniques to maintain data confidentiality against illegal access and fraudulent usage. In this study, a new medical image encryption technique was developed by combining the discrete wavelet transform, the fast Fourier transform, the Arnold transform, and two multidimensional chaotic systems. The medical image is subjected to a discrete wavelet transform before the magic square shuffles the image sub-bands. Confusion operations are performed on each scrambled subdomain using the Uruk 4D chaotic system. To increase randomness and unpredictability, a second stage of confusion is implemented in the domain of the Fast Fourier transform using the Arnold transform. The final encrypted image is obtained utilizing secret keys derived from the WAM 3D chaotic system. In particular, the initial conditions for chaotic systems are derived from grayscale values, thereby increasing the algorithm’s sensitivity to the input image. The results of the tests and the security analysis indicate that the proposed algorithm is exceptionally reliable and secure.

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基于小波傅里叶变换的URUK和WAM混沌映射混合域医学图像加密方案

图像加密是保护数据机密性，防止非法访问和欺诈使用的最重要技术之一。本文将离散小波变换、快速傅立叶变换、阿诺德变换和两个多维混沌系统相结合，提出了一种新的医学图像加密技术。在魔方变换图像子带之前，对医学图像进行离散小波变换。利用Uruk 4D混沌系统对每个加扰子域进行混淆运算。为了增加随机性和不可预测性，在使用阿诺德变换的快速傅里叶变换域中实现了第二阶段的混淆。利用WAM三维混沌系统导出的密钥获得最终的加密图像。特别是混沌系统的初始条件由灰度值导出，从而提高了算法对输入图像的灵敏度。测试结果和安全性分析表明，该算法具有很高的可靠性和安全性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Cyber Security and Mobility Computer Science-Computer Networks and Communications

CiteScore

2.30

自引率

0.00%

发文量

期刊介绍： Journal of Cyber Security and Mobility is an international, open-access, peer reviewed journal publishing original research, review/survey, and tutorial papers on all cyber security fields including information, computer & network security, cryptography, digital forensics etc. but also interdisciplinary articles that cover privacy, ethical, legal, economical aspects of cyber security or emerging solutions drawn from other branches of science, for example, nature-inspired. The journal aims at becoming an international source of innovation and an essential reading for IT security professionals around the world by providing an in-depth and holistic view on all security spectrum and solutions ranging from practical to theoretical. Its goal is to bring together researchers and practitioners dealing with the diverse fields of cybersecurity and to cover topics that are equally valuable for professionals as well as for those new in the field from all sectors industry, commerce and academia. This journal covers diverse security issues in cyber space and solutions thereof. As cyber space has moved towards the wireless/mobile world, issues in wireless/mobile communications and those involving mobility aspects will also be published.