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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 3 — Feb. 1, 2010
  • pp: 333–335

Noise-free recovery of optodigital encrypted and multiplexed images

Rodrigo Henao, Edgar Rueda, John F. Barrera, and Roberto Torroba  »View Author Affiliations


Optics Letters, Vol. 35, Issue 3, pp. 333-335 (2010)
http://dx.doi.org/10.1364/OL.35.000333


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Abstract

We present a method that allows storing multiple encrypted data using digital holography and a joint transform correlator architecture with a controllable angle reference wave. In this method, the information is multiplexed by using a key and a different reference wave angle for each object. In the recovering process, the use of different reference wave angles prevents noise produced by the nonrecovered objects from being superimposed on the recovered object; moreover, the position of the recovered object in the exit plane can be fully controlled. We present the theoretical analysis and the experimental results that show the potential and applicability of the method.

© 2010 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(090.1995) Holography : Digital holography
(100.4998) Image processing : Pattern recognition, optical security and encryption

ToC Category:
Image Processing

History
Original Manuscript: July 23, 2009
Revised Manuscript: November 23, 2009
Manuscript Accepted: November 29, 2009
Published: January 26, 2010

Citation
Rodrigo Henao, Edgar Rueda, John F. Barrera, and Roberto Torroba, "Noise-free recovery of optodigital encrypted and multiplexed images," Opt. Lett. 35, 333-335 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-3-333

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