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Image encryption based on bit-plane decomposition and random scrambling

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4 Author(s)
Qiudong Sun ; Sch. of Electron. & Electr. Eng., Shanghai Second Polytech. Univ., Shanghai, China ; Wenying Yan ; Jiangwei Huang ; Wenxin Ma

To aim at the positions interchange of pixels and their gray values change at the same time, we presented a random scrambling algorithm based on bit-planes of image. At first, we decomposed a gray image into several bit-plane images. Then we shuffled them by a random scrambling algorithm separately. Lastly, we merged the scrambled bit-plane images according to their original levels on bit-planes and gained an encrypted image. Experimental results show that the algorithm can not only scramble an image effectively, but also change its histogram apparently. The proposed algorithm has better efficiency and properties than the general random scrambling method, and has more stable scrambling degree than the classical method - Arnold transform.

Published in:

Consumer Electronics, Communications and Networks (CECNet), 2012 2nd International Conference on

Date of Conference:

21-23 April 2012

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