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Applied Optics

Applied Optics


  • Vol. 41, Iss. 8 — Mar. 10, 2002
  • pp: 1500–1504

Color image recognition by use of a joint transform correlator of three liquid-crystal televisions

Mei-Li Hsieh, Ken Y. Hsu, and Hongchen Zhai  »View Author Affiliations

Applied Optics, Vol. 41, Issue 8, pp. 1500-1504 (2002)

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We present a joint transform correlator for color image recognition by using three liquid-crystal spatial light modulators. A method for simultaneously obtaining the correlation peaks of red, green, and blue is proposed and experimentally demonstrated.

© 2002 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition
(200.4740) Optics in computing : Optical processing
(230.3720) Optical devices : Liquid-crystal devices

Original Manuscript: April 28, 2001
Published: March 10, 2002

Mei-Li Hsieh, Ken Y. Hsu, and Hongchen Zhai, "Color image recognition by use of a joint transform correlator of three liquid-crystal televisions," Appl. Opt. 41, 1500-1504 (2002)

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