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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 10, Iss. 11 — Nov. 1, 1971
  • pp: 2439–2441

Optical Filter Analysis as a Function of Nonoptimum Noise Conditions

J. E. Wasielewski  »View Author Affiliations


Applied Optics, Vol. 10, Issue 11, pp. 2439-2441 (1971)
http://dx.doi.org/10.1364/AO.10.002439


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Abstract

An experimental study was conducted to determine the effects of nonoptimum noise conditions upon the SNR of optical spatial filters. The experiments were performed utilizing matched and inverse filters that are generally recognized as the best types of filters for pattern recognition. Their signal-to-noise ratios were compared as a function of varying background noise. The results indicate that (1) the SNR is a decreasing function of increasing background noise size, and (2) the performance difference between the inverse and matched filters increases as the noise size decreases.

© 1971 Optical Society of America

History
Original Manuscript: March 18, 1971
Published: November 1, 1971

Citation
J. E. Wasielewski, "Optical Filter Analysis as a Function of Nonoptimum Noise Conditions," Appl. Opt. 10, 2439-2441 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-11-2439


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References

  1. “Optical Spatial Filtering Techniques,” First Quarterly Report, 1 July–30 September 1961, Contract AF33(616)-8433 (Institute of Science and Technology, The University of Michigan, Ann Arbor).
  2. “Complex Spatial Filtering,” Final Report, June1965, Contract AF30(602)-3354 (Technical Operations Research).

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