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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 2 — Jan. 15, 1981
  • pp: 320–325

Discrimination of form in images corrupted by speckle

Vijaya N. Korwar and John R. Pierce  »View Author Affiliations


Applied Optics, Vol. 20, Issue 2, pp. 320-325 (1981)
http://dx.doi.org/10.1364/AO.20.000320


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Abstract

The problem investigated is that of a human observer having to distinguish between certain specified geometrical forms corrupted by speckle—an idealization of the problem of a scientist studying a synthetic aperture radar map. Specifically, the cases of two simple alternative forms and of two and four orientations of a simple form have been considered. A theoretical model is developed for the observer’s decision process by analogy with optimal receiver theory, and the probability of a correct decision is related to form parameters like size, contrast, and looks. These calculations are verified by psychophysical experiments using computer-simulated pictures.

© 1981 Optical Society of America

History
Original Manuscript: June 24, 1980
Published: January 15, 1981

Citation
Vijaya N. Korwar and John R. Pierce, "Discrimination of form in images corrupted by speckle," Appl. Opt. 20, 320-325 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-2-320


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References

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