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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 14 — Jul. 15, 1998
  • pp: 1129–1131

Input-image homogenization as a method to improve a correlator’s discrimination capability

Leonid P. Yaroslavsky, Octavio López-Coronado, and Juan Campos  »View Author Affiliations


Optics Letters, Vol. 23, Issue 14, pp. 1129-1131 (1998)
http://dx.doi.org/10.1364/OL.23.001129


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Abstract

We propose an input-image preprocessing method consisting of homogenization of the image to improve the discrimination capability of a correlation-based recognition process. This method is an approximation of the optimal filter. It offers the advantage that correlation with the preprocessed images can easily be implemented in an optical correlator working with phase-only spatial light modulators.

© 1998 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition
(100.2980) Image processing : Image enhancement

Citation
Leonid P. Yaroslavsky, Octavio López-Coronado, and Juan Campos, "Input-image homogenization as a method to improve a correlator’s discrimination capability," Opt. Lett. 23, 1129-1131 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-14-1129

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