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Image encryption based on the multiple-order discrete fractional cosine transform

✍ Scribed by Jianhua Wu; Lin Zhang; Nanrun Zhou

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
718 KB
Volume
283
Category
Article
ISSN
0030-4018

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✍ Xiaogang Wang; Daomu Zhao πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 361 KB

A new optical image encryption method based on anamorphic fractional Fourier transform (FRT) and phase-shifting interferometry (PSI) is proposed in this paper. The input two-dimensional image to be encrypted is anamorphic fractional Fourier transformed with different orders in the two orthogonal dir