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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 9 — May. 1, 1989
  • pp: 1611–1613

Quad-phase correlation filters for pattern recognition

Fred M. Dickey and Bruce D. Hansche  »View Author Affiliations


Applied Optics, Vol. 28, Issue 9, pp. 1611-1613 (1989)
http://dx.doi.org/10.1364/AO.28.001611


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Abstract

A quad-phase-only filter (QPOF) is introduced. It is shown that the QPOF can have improved correlation response and signal-to-noise ratio with respect to the Hartley binary phase-only filter for some objects.

© 1989 Optical Society of America

History
Original Manuscript: February 13, 1988
Published: May 1, 1989

Citation
Fred M. Dickey and Bruce D. Hansche, "Quad-phase correlation filters for pattern recognition," Appl. Opt. 28, 1611-1613 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-9-1611

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