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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 19 — Jul. 1, 2006
  • pp: 4617–4624

Performance comparison of iterative algorithms for generating digital correlation holograms used in optical security systems

David Abookasis, Amit Batikoff, Hagay Famini, and Joseph Rosen  »View Author Affiliations

Applied Optics, Vol. 45, Issue 19, pp. 4617-4624 (2006)

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An optical security system based on a correlation between two separate binary computer-generated holograms has been developed and experimentally tested. The two holograms are designed using two different iterative algorithms: the projection- onto constrained sets algorithm and the direct binary search (DBS) algorithm. By placing the ready-to-use holograms on a modified joint transform correlator input plane, an output image is constructed as a result of a spatial correlation between the two functions coded by the holograms. Both simulation and experimental results are presented to demonstrate the system's performance. While we concentrate mainly on the DBS algorithm, we also compare the performance of both algorithms.

© 2006 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.4560) Fourier optics and signal processing : Data processing by optical means
(090.1760) Holography : Computer holography
(100.3010) Image processing : Image reconstruction techniques
(100.4550) Image processing : Correlators

Original Manuscript: August 24, 2005
Revised Manuscript: November 30, 2005
Manuscript Accepted: December 21, 2005

David Abookasis, Amit Batikoff, Hagay Famini, and Joseph Rosen, "Performance comparison of iterative algorithms for generating digital correlation holograms used in optical security systems," Appl. Opt. 45, 4617-4624 (2006)

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