Improved fractal coding and hyperchaotic system for lossless image compression and encryption

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成果类型：

期刊论文

作者：

Long, Bofeng;Chen, Zhong;Liu, Tongzhe;Wu, Ximei;He, Chenchen;...

通讯作者：

Chen, Z

作者机构：

[Liu, Tongzhe; Long, Bofeng; Wang, Lujie; Chen, Zhong; Wu, Ximei] Hengyang Normal Univ, Coll Comp Sci & Technol, Hengyang 421002, Peoples R China.

[Liu, Tongzhe; Long, Bofeng; Wang, Lujie; Chen, Zhong; Wu, Ximei] Hunan Prov Key Lab Intelligent Informat Proc & App, Hengyang 421002, Peoples R China.

[He, Chenchen] Huaihua Univ, Sch Comp & Artificial Intelligence, Sch Software, Huaihua 418000, Peoples R China.

[Cao, Can] Hengyang Normal Univ, Coll Math & Stat, Hengyang 421002, Peoples R China.

通讯机构：

[Chen, Z ] H

Hengyang Normal Univ, Coll Comp Sci & Technol, Hengyang 421002, Peoples R China.

Hunan Prov Key Lab Intelligent Informat Proc & App, Hengyang 421002, Peoples R China.

语种：

英文

关键词：

Hyperchaotic system;Fractal coding;Image encryption;Lossless compression;Tetris

期刊：

NONLINEAR DYNAMICS

ISSN：

0924-090X

年：

2024

DOI：

10.1007/s11071-024-10671-2

基金类别：

Scientific Research Fund of Hunan Provincial Education Department; Science and Technology Innovation Program of Hunan Province [2016TP1020]; Hengyang Normal University Scientific Research Project [2023QD25]; [19A066]

机构署名：

本校为第一且通讯机构

院系归属：

数学与统计学院

计算机科学与技术学院

摘要：

In response to the growing demand for computation and storage, and increasing vulnerabilities to attacks, maintaining image security and integrity remains a critical challenge. This paper introduces a novel, lossless image compression algorithm integrating improved fractal coding and a robust encryption method based on a new hyperchaotic system, irregular block permutation, and non-adjacent diffusion. The proposed 4D hyperchaotic system exhibits a wider chaotic range and more complex dynamics than existing systems, generating high-quality pseudo-random sequences for enhanced encryption securit...

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Improved fractal coding and hyperchaotic system for lossless image compression and encryption

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