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Double-image encryption based on joint transform correlation and phase-shifting interferometry

โœ Scribed by Lina Shen; Jun Li; Hongsen Chang

Book ID
115367922
Publisher
Optics InfoBase
Year
2007
Tongue
English
Weight
274 KB
Volume
5
Category
Article
ISSN
1671-7694

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Image encryption based on anamorphic fra
Image encryption based on anamorphic fractional Fourier transform and three-step phase-shifting interferometry
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