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
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 ()