A Greedy algorithm-based scheme for high-quality visually meaningful image encryption

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成果类型：

期刊论文

作者：

Deng, Yong;Tian, Xiaomei;Chen, Zhong;Xiao, Yanting;Xiao, Yongquan;...

通讯作者：

Tian, XM

作者机构：

[Xiao, Yongquan; Xiao, Yanting; Tian, Xiaomei; Deng, Yong; Chen, Zhong] Hengyang Normal Univ, Coll Comp Sci & Technol, Hengyang 421002, Peoples R China.

[Tian, Xiaomei; Deng, Yong; Chen, Zhong] Hengyang Normal Univ, Hunan Engn Res Ctr Cyberspace Secur Technol & Appl, Hengyang 421002, Peoples R China.

[Tian, Xiaomei; Chen, Zhong] Hunan Prov Key Lab Intelligent Informat Proc & App, Hengyang 421002, Peoples R China.

[Zuo, Yiyu] Hunan Appl Technol Univ, Sch Informat Engn, Changde 415100, Peoples R China.

通讯机构：

[Tian, XM ] H

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

Hengyang Normal Univ, Hunan Engn Res Ctr Cyberspace Secur Technol & Appl, 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：

visually meaningful image encryption;hyperchaotic map;integer wavelet transform;difference algorithm

期刊：

PHYSICA SCRIPTA

ISSN：

0031-8949

年：

2025

卷：

100

期：

页码：

035030

DOI：

10.1088/1402-4896/adb700

基金类别：

Hunan Provincial Natural Science Foundation of China [2023JJ50096, 2022JJ50016]; The 14th Five-Year Plan Key Disciplines and Application-oriented Special Disciplines of Hunan Province [Xiangjiaotong [2022] 351]; Science and Technology Innovation Program of Hunan Province [2016TP1020]

机构署名：

本校为第一且通讯机构

院系归属：

计算机科学与技术学院

摘要：

To address the limitations of existing visually meaningful image encryption algorithms in terms of visual quality and adaptability across different wavelet types, this paper introduces a novel greedy algorithm-based embedding method. Our approach innovatively selects the optimal decomposition basis dynamically by calculating an error value for each candidate basis, tailored to the specific characteristics of both the host and plaintext images. This error-based selection process significantly enhances visual quality across a spectrum of wavelet transformations. Furthermore, we propose a novel t...

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A Greedy algorithm-based scheme for high-quality visually meaningful image encryption

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