Study on Chaotic Encryption Algorithm for Images after Compression

LIN Chun; WANG Jian-ping; MA Wei-guo; LU Guo-ping

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Study on Chaotic Encryption Algorithm for Images after Compression

更新时间：2026-09-04

- Study on Chaotic Encryption Algorithm for Images after Compression
- Vol. 30, Issue 3, Pages: 5-7(2013)
- 作者机构：
  
  1. 1 南通大学机构电子工程系,江苏,南通,226019
  2. 2 江苏信息职业技术学院机构,江苏,无锡,214153
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
移动端阅览
林纯, 王建平, 马卫国, 陆国平. 基于混沌的图像压缩加密算法研究[J]. 微电子学与计算机, 2013, 30(3): 5-7,11.

LIN Chun, WANG Jian-ping, MA Wei-guo, et al. Study on Chaotic Encryption Algorithm for Images after Compression[J]. 2013, 30(3): 5-7.
林纯, 王建平, 马卫国, 陆国平. 基于混沌的图像压缩加密算法研究[J]. 微电子学与计算机, 2013, 30(3): 5-7,11. DOI：

LIN Chun, WANG Jian-ping, MA Wei-guo, et al. Study on Chaotic Encryption Algorithm for Images after Compression[J]. 2013, 30(3): 5-7. DOI：

摘要

提出了一种结合DCT变换压缩技术的混沌图像加密算法.先对原始图像进行压缩处理

然后用由复合混沌系统生成的加密矩阵先后对压缩后的图像进行位置置乱、灰度值替代加密处理.理论分析和实验结果表明

该算法既能有效地减小图像的存储容量

提高数据的传输速度

又具有良好的加密性能.

Abstract

A chaotic image encryption algorithm

combined with DCT transform compression technology

is presented here.The soul of the new algorithm is to compress the original image before encryption.The encryption matrixes generated by the hybrid chaotic system are used to deal with the compressed image

with the methods of position scrambling and grayscale value alternative encryption.Theoretical analysis and experimental results show that the algorithm can not only effectively reduce the image of storage capacity

improve the speed of data transmission

but also has good encryption performance.

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