基于统一超混沌系统的彩色图像加密算法研究  

Research on Color Image Encryption Algorithm Based on Unified Hyperchaotic System

作　　者：吴天钒 周磊[2] 赵栋 WU Tian-fan;ZHOU Lei;ZHAO Dong(Nantong High School,Nantong 226001,China;School of Information Science and Technology,Nantong University,Nantong 226019,China)

机构地区：[1]南通中学,南通226001 [2]南通大学信息科学技术学院,南通226019

出　　处：《价值工程》2023年第33期109-111,共3页Value Engineering

基　　金：2023年江苏省中学生科技创新后备人才培养计划。

摘　　要：利用混沌信号的优良性能,本文研究提出了一种新的彩色图像混沌加密算法。首先利用外部加密密钥以及原始图像的特征值,根据自定义的数据抽取和填放规则进行数据抽取、填放,并利用超混沌系统生成的混沌序列,嵌套进行图像像素扩散,从而形成“图像像素抽取—图像像素扩散—图像像素填放”的图像加密方案,最后测试结果表明所提算法具有较好的安全性。Taking advantage of the excellent performance of chaotic signals,a new color image chaotic encryption algorithm is proposed.Firstly,using external encryption keys and the feature values of the original image,data extraction and filling are carried out according to customized data extraction and filling rules.Then using chaotic sequences generated by hyperchaotic systems,image pixel diffusion is nested to form an image encryption scheme of"image pixel extraction-image pixel diffusion-image pixel filling".Finally,experiments have been carried out to justify the superior security of the proposed algorithm.

关 键 词：图像加密 彩色图像 统一超混沌系统 图像像素扩散 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]