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Image encryption algorithm based on arnold transformation and logistic mapping

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成果類型:
期刊論文
作者:
Li, Tu;Hu, Juan;Zhang, Chi;Liu, Gang
通訊作者:
Li, T.(tulip1903@163.com)
作者機構:
[Zhang, Chi; Li, Tu] School of Information Science and Engeering, Hunan City University, Yiyang, Hunan 413000, China
[Liu, Gang] CSR Zhuzhou Electric CO., LTD, Zhuzhou, Hunan 412000, China
[Hu, Juan] School of Computing Science, Hunan Institute of Science and Technology, Yueyang, Hunan 414000, China
語種:
英文
期刊:
Advances in Information Sciences and Service Sciences
ISSN:
1976-3700
年:
2012
卷:
4
期:
23
頁碼:
282-289
機構署名:
本校為第一機構
院系歸屬:
信息與電子工程學院
摘要:
This paper presents a novel image encryption scheme based on Arnold mapping and Logistic mapping.It is a digital image encryption algorithm,dual scrambling that based on chaos of pixel position and pixel value. First we separated the three channels of a RGB mode image, then transformed them into 3 two dimensional grey images. respectively scramblinged these gray images of the three colour channels or changed their gray value by different methods,finally combined the three ciphertext into a RGB mode image.The results of experiment simulation show that the key space is large enough to resist the brute-force attack,the ciphertext varies sensitively with any minimal changes of the initial secret key and the plaintext. The algorithm improves the traditional image encryption algorithm of image scrambling based on chaos, and it is valid and has good performance.

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