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Applied Optics

Applied Optics


  • Vol. 39, Iss. 2 — Jan. 10, 2000
  • pp: 231–237

Wiener-like correlation filters

Jehad Khoury, Peter D. Gianino, and Charles L. Woods  »View Author Affiliations

Applied Optics, Vol. 39, Issue 2, pp. 231-237 (2000)

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We introduce a new, to our knowledge, design for a Wiener-like correlation filter, which consists of cascading a phase-only filter (POF) with a photorefractive Wiener-like filter. Its performance is compared with that of the POF and the Wiener correlation filter (WCF). Correlation results show that for intermediate and higher levels of noise this correlation filter has a peak-to-noise ratio that is larger than that of either the POF or the WCF while still preserving a correlation peak that is almost as high as that of the POF.

© 2000 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(090.0090) Holography : Holography
(100.5010) Image processing : Pattern recognition
(160.5320) Materials : Photorefractive materials
(200.4740) Optics in computing : Optical processing

Original Manuscript: June 24, 1999
Revised Manuscript: October 18, 1999
Published: January 10, 2000

Jehad Khoury, Peter D. Gianino, and Charles L. Woods, "Wiener-like correlation filters," Appl. Opt. 39, 231-237 (2000)

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