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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 32 — Nov. 10, 1998
  • pp: 7545–7552

Operating-curve selection for optical and digital correlation of fingerprints

Danny Roberge and Colin Soutar  »View Author Affiliations


Applied Optics, Vol. 37, Issue 32, pp. 7545-7552 (1998)
http://dx.doi.org/10.1364/AO.37.007545


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Abstract

We present a new method for selecting the optimal spatial light modulator operating curve on which to encode an ideal complex-valued filter function. The method is an extension of the optimization procedure that was used to derive the ideal complex-valued filter. To illustrate the method we consider the selection of a typical operating curve of a commercially available LCD and use this operating curve to encode a filter that was optimized for the task of fingerprint verification. We then extend the method to include the selection of the optimal operating curve from a series of synthetic operating curves.

© 1998 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.4550) Image processing : Correlators
(100.5010) Image processing : Pattern recognition
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.6120) Optical devices : Spatial light modulators

History
Original Manuscript: March 24, 1998
Revised Manuscript: June 29, 1998
Published: November 10, 1998

Citation
Danny Roberge and Colin Soutar, "Operating-curve selection for optical and digital correlation of fingerprints," Appl. Opt. 37, 7545-7552 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-32-7545

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