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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 15, Iss. 4 — Dec. 25, 2011
  • pp: 335–339

Coded Single Input Channel for Color Pattern Recognition in Joint Transform Correlator

Man-Ho Jeong  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 15, Issue 4, pp. 335-339 (2011)


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Abstract

Recently, we reported a single input channel joint transform correlator for the color pattern recognition which decomposes the input color image into three R, G, and B gray components and adds those components into a single gray image in the input plane. This technique has the merit of a single input channel instead of three input channels. However, we found this technique has some problems with discrimination impossibility in the case of a simple primary color pattern which results in the same gray level through the addition process. Thus, we propose a modified coding technique which selectively recombines the decomposed three R, G, and B gray components instead of the simple adding process. Simulated results show that the modified coding technique can accurately discriminate a variety of kinds of color images.

© 2011 Optical Society of Korea

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.5010) Fourier optics and signal processing : Pattern recognition

History
Original Manuscript: September 8, 2011
Revised Manuscript: October 21, 2011
Manuscript Accepted: October 26, 2011
Published: December 25, 2011

Citation
Man-Ho Jeong, "Coded Single Input Channel for Color Pattern Recognition in Joint Transform Correlator," J. Opt. Soc. Korea 15, 335-339 (2011)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-15-4-335


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