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Logistic映射控制的安全算术编码及其在图像加密中的应用

代才莉 包万宇

重庆大学学报:自然科学版2012,Vol.35Issue(8):87-91,5.
重庆大学学报:自然科学版2012,Vol.35Issue(8):87-91,5.

Logistic映射控制的安全算术编码及其在图像加密中的应用

Logistic map controlled secure arithmetic coding and its application in image encryption

代才莉 1包万宇2

作者信息

  • 1. 重庆大学通信工程学院,重庆400044 重庆电子工程职业学院通信工程系,重庆401331
  • 2. 重庆电子工程职业学院通信工程系,重庆401331
  • 折叠

摘要

Abstract

A logistic map controlled secu.re arithmetic coding is proposed, the Logistic map is used to control the order of the symbols in the model and change the probabilities of the symbols, which is applied to the image encryption. The proposed scheme makes the image transmit more secure and comfortably on the Internet, and that is done at little expense in terms of coding efficiency. In the coding process, it ensures the uniformity of the model being changed by the chaotic sequence, thus to meet the security requirements of image compression. The algorithm can be applied to any arithmetic codec based on multimedia data including video, image and audio. Its most strength compared with other cipher mode is that, there is a significant reduction in the redundancy of information during the compression process, and it is robust when attempting to estimate the information of the image and discovering the key. The scheme can effectively resist differential analyses from both cryptography and coding.

关键词

算术编码/图像加密/动态模型/Logistic映射

Key words

arithmetic coding/image encryption/adaptive-model/logistic map

分类

信息技术与安全科学

引用本文复制引用

代才莉,包万宇..Logistic映射控制的安全算术编码及其在图像加密中的应用[J].重庆大学学报:自然科学版,2012,35(8):87-91,5.

基金项目

国家“863”资助项目 ()

博士点基金资助项目 ()

国家留学基金委建设高水平大学资助项目 ()

重庆大学“211工程”三期创新人才培养计划建设项目 ()

重庆大学学报:自然科学版

OA北大核心CSCDCSTPCD

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