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A Novel Gray Image Encryption Algorithm Based on Modified Transcendental Equation.

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成果類型:
期刊論文
作者:
Li Tu;Yan Wang;Ni Li;Saiqiu Guo
作者機構:
[Li Tu; Ni Li; Saiqiu Guo; Yan Wang] School of Information Science and Engeering, Hunan City University, Yiyang,Hunan 413000, China
語種:
英文
期刊:
Journal of Software
ISSN:
1796-217X
年:
2013
卷:
8
期:
9
頁碼:
2336-2343
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:
In this paper a modified transcendental equation is proposed, and we analyzed its chaotic characteristics and periodic. It is a simple non-linear mode, l but it has complex dynam ics.Then it was used in gray image encryption. This is a digital image encryption algorithm, dual scrambling that based on chaos of pixel position and pixel value.Compared with the traditional transcendental equation, the improved transcendental equation has only chaos characteristic, when the number of iterations is less than 5, the equation has periodicity,and when iterative times are more than 20, the equation has chaotic characteristic only, so the modified transcendental equation has larger key space.Performance test and security analysis are performed using key space analysis, the pixels distribution character, correlation coefficients, the ability to resist attack and key sensitivity test. Results suggest that the proposed image encryption scheme is secure and efficient, with high potential to be adopted for the secure image communication applications. ©2013 ACADEMY PUBLISHER.

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