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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 8 — Mar. 10, 2000
  • pp: 1268–1271

Extended scale-invariant pattern recognition with white-light illumination

José J. Esteve-Taboada, Javier García, and Carlos Ferreira  »View Author Affiliations


Applied Optics, Vol. 39, Issue 8, pp. 1268-1271 (2000)
http://dx.doi.org/10.1364/AO.39.001268


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Abstract

A previous method of obtaining scale-invariance detection with white-light illumination has been improved on. We were able to detect different scaled versions of the target up to a magnification factor equal to 2. We simultaneously detected several versions in the same scene, because each scale factor is codified in a different wavelength. Experimental results demonstrate the proposed technique and show the utility of the method.

© 2000 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition

History
Original Manuscript: August 6, 1999
Revised Manuscript: January 4, 2000
Published: March 10, 2000

Citation
José J. Esteve-Taboada, Javier García, and Carlos Ferreira, "Extended scale-invariant pattern recognition with white-light illumination," Appl. Opt. 39, 1268-1271 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-8-1268

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