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Proceedings Paper

Image encryption based on double folding operation in fractional Fourier transform domain
Author(s): Zhengjun Liu; Xiuying Wang; Shutian Liu
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Paper Abstract

Based on fractional Fourier transform, the double folding operation is studied and introduced into image encryption. This method can implement a kind of the encoding with real number. This characteristic is convenient to the storage and transmission of the encrypted image. The corresponding experimental setup is similar to the scheme of double random phase encoding. With computer, some numerical simulations have been achieved. The analysis on the algorithm from the aspects of validity, security and robustness is made. The calculated results have been demonstrated that the algorithm is effective and has good security.

Paper Details

Date Published: 18 November 2009
PDF: 10 pages
Proc. SPIE 7512, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Information Security, 751202 (18 November 2009); doi: 10.1117/12.840091
Show Author Affiliations
Zhengjun Liu, Harbin Institute of Technology (China)
Xiuying Wang, Harbin Institute of Technology (China)
Shutian Liu, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 7512:
2009 International Conference on Optical Instruments and Technology: Optoelectronic Information Security

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