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Information reduction using lensless Fourier transform digital composite holography

✍ Scribed by Md. Mosarraf Hossain; Dalip Singh Mehta; Chandra Shakher


Book ID
108233622
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
662 KB
Volume
40
Category
Article
ISSN
0030-3992

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Securing information using fractional Fo
✍ Naveen Kumar Nishchal; Joby Joseph; Kehar Singh πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 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