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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 32 — Nov. 10, 1996
  • pp: 6382–6389

Single-channel polychromatic pattern recognition by the use of a joint-transform correlator

David Mendlovic, Meir Deutsch, Carlos Ferreira, and Javier García  »View Author Affiliations


Applied Optics, Vol. 35, Issue 32, pp. 6382-6389 (1996)
http://dx.doi.org/10.1364/AO.35.006382


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Abstract

We present a single-channel system for color image recognition that is based on a joint-transform correlator setup. The color images are encoded as phase and amplitude functions, inspired from the Munsell color representation. A real-time implementation of the new codification method can be achieved by the use of a spatial light modulator operating in phase-only modulation mode. We determine the optimal codification for a linear color-phase code. Its performance is compared with a conventional multichannel correlator by means of computer simulations. Experimental results are also presented.

© 1996 Optical Society of America

History
Original Manuscript: November 27, 1995
Revised Manuscript: June 20, 1996
Published: November 10, 1996

Citation
David Mendlovic, Meir Deutsch, Carlos Ferreira, and Javier García, "Single-channel polychromatic pattern recognition by the use of a joint-transform correlator," Appl. Opt. 35, 6382-6389 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-32-6382

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