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Information Search Using Holography

โœ Scribed by Akahori, H. ;Sakurai, K.


Book ID
115322063
Publisher
The Optical Society
Year
1972
Tongue
English
Weight
306 KB
Volume
11
Category
Article
ISSN
1559-128X

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๐Ÿ“œ SIMILAR VOLUMES


Securing information using fractional Fo
โœ Naveen Kumar Nishchal; Joby Joseph; Kehar Singh ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 526 KB

In this paper, we demonstrate a fully digital technique using double random Fourier, and fractional plane encryption. The input image to be encrypted is multiplied by a phase mask, and either its Fourier or fractional Fourier transform is obtained. Using interference with a wave from another random