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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 11, Iss. 9 — Sep. 1, 1972
  • pp: 1991–1997

Selectivity and Noise Effects in Applications of Optical Correlation

F. M. Shofner and R. O. Webb  »View Author Affiliations


Applied Optics, Vol. 11, Issue 9, pp. 1991-1997 (1972)
http://dx.doi.org/10.1364/AO.11.001991


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Abstract

Experimental and theoretical results describing matched filter selectivity for a particular class of signal as obtained, for example, in holographic velocimetry are reviewed. An experiment showing noise rejection is described for filters having both low and high ratios of signal to reference beam. The data presented are for transmissive signals. Best results are obtained using high ratio filters and high contrast signals. Extension to signals derived from diffusely reflecting material objects is treated. By utilizing proper optics, the scale change effects of matched filtering are shown to give a quantitative measure of deformation of the strained object. Dependence of sensitivity upon signal characteristics is discussed.

© 1972 Optical Society of America

History
Original Manuscript: June 17, 1971
Published: September 1, 1972

Citation
F. M. Shofner and R. O. Webb, "Selectivity and Noise Effects in Applications of Optical Correlation," Appl. Opt. 11, 1991-1997 (1972)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-11-9-1991

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