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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 20 — Oct. 15, 1986
  • pp: 3767–3772

Computer-generated and phase-only synthetic discriminant function filters

David Casasent and William A. Rozzi  »View Author Affiliations


Applied Optics, Vol. 25, Issue 20, pp. 3767-3772 (1986)
http://dx.doi.org/10.1364/AO.25.003767


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Abstract

The laboratory realization of smart matched spatial filters (specifically snythetic discriminant functions) is considered and studied via computer simulation. The realization of these distortion-invariant correlator functions by computer-generated hologram and other methods is considered. Multiclass filters are addressed in this work. Phase-only filters and filters with a quantized number of amplitude and phase levels are considered. Phase-only filters are found to perform well for some imagery, but filters with some amplitude response are preferable. We also considered the number of phase and magnitude levels required and found four levels of each to be adequate.

© 1986 Optical Society of America

History
Original Manuscript: April 9, 1986
Published: October 15, 1986

Citation
David Casasent and William A. Rozzi, "Computer-generated and phase-only synthetic discriminant function filters," Appl. Opt. 25, 3767-3772 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-20-3767

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