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Fractional Fourier transform-based image encryption: phase retrieval algorithm

โœ Scribed by Bryan Hennelly; John T. Sheridan


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
372 KB
Volume
226
Category
Article
ISSN
0030-4018

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Image encryption based on anamorphic fra
โœ Xiaogang Wang; Daomu Zhao ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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