An Image Encryption Algorithm Based on Multidimensional Chaotic Systems in Spatial and Frequency Domain

ZHANG Shuo; CAI Ru-hua; CHEN Guang-xi

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An Image Encryption Algorithm Based on Multidimensional Chaotic Systems in Spatial and Frequency Domain

更新时间：2026-09-04

- An Image Encryption Algorithm Based on Multidimensional Chaotic Systems in Spatial and Frequency Domain
- Vol. 27, Issue 7, Pages: 60-64(2010)
- 作者机构：
  
  桂林电子科技大学机构数学与计算科学学院,广西,桂林,541004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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张硕, 蔡如华, 陈光喜. 一种空频域结合的多维混沌系统图像加密方案[J]. 微电子学与计算机, 2010, 27(7): 60-64.

ZHANG Shuo, CAI Ru-hua, CHEN Guang-xi. An Image Encryption Algorithm Based on Multidimensional Chaotic Systems in Spatial and Frequency Domain[J]. 2010, 27(7): 60-64.
张硕, 蔡如华, 陈光喜. 一种空频域结合的多维混沌系统图像加密方案[J]. 微电子学与计算机, 2010, 27(7): 60-64. DOI：

ZHANG Shuo, CAI Ru-hua, CHEN Guang-xi. An Image Encryption Algorithm Based on Multidimensional Chaotic Systems in Spatial and Frequency Domain[J]. 2010, 27(7): 60-64. DOI：

摘要

研究了一种基于二维Logistic映射和三维混沌的图像加密系统.首先利用二维Logistic映射产生加密模板对小波分解的低频系数进行调整

接着由Chen系统对小波重构之后的图像进行异或操作

进一步使加密性能得到了很大的提高.通过试验比较分析

该方案不但密钥空间大

而且对密钥和明文相当敏感

具有更优良的扩散性和扰乱性能

并能抵抗各种攻击.

Abstract

This paper proposes an image encryption algorithm based on coupled Logistic chaotic map and Chens chaotic attractor. Firstly

the low-frequency coefficients of the image wavelet decomposition are adjusted by the Logistic chaotic sequence. Secondly

the image after the wavelet reconstruction is encrypted by the Chens chaotic system. To further enhance the encryption performance. The experimental results demonstrate that the encryption algorithm not only has a large key space but also has a very sensitivity with respect to the secret key and the original image. The encryption algorithm proposed in this paper possesses perfect diffusion and confusion properties and it can resist the various attacks.

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