A new class of scrambling transformation and its application in the image information covering |
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| Authors: | QI Dongxu ZOU Jiancheng HAN Xiaoyou |
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| Affiliation: | 1. CAD Research Center, North China University of Technology, Beijing 100041, China
2. College of Fundamental Sciences, North China University of Technology, Beijing 100041, China |
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| Abstract: | This paper studies two kinds of nonlinear transformations, namely the higher-dimensional Arnold transformation and the higher-dimensional Fibonacci Q-transformation and discusses the scrambling action of the two transformations focusing on the phase space of the digital images. A sufficient and necessary condition that a matrix transformation of digital image has periodicity is given. The results show that the two transformations have potential application in the storage and transportation of image information for the purpose of information security. |
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| Keywords: | digital image scrambling transformation Arnold transformation periodicity Fibonacci matrix cryptoguard of image information. |
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