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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 35 — Dec. 10, 1990
  • pp: 5298–5302

Image processing for laser speckle velocimetry using the 2-D fast Fourier transform

Thomas Rösgen, Klaus Wozniak, and Günter Wozniak  »View Author Affiliations


Applied Optics, Vol. 29, Issue 35, pp. 5298-5302 (1990)
http://dx.doi.org/10.1364/AO.29.005298


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Abstract

An algorithm is described for the fringe analysis in laser speckle velocimetry. Based on the 2-D fast Fourier transform, the method relies on inherent features in the fringe pattern to remove efficiently the influence of the diffraction halo. A windowing operation is performed to enhance the reliability and reduce the influence of various noise contributions.

© 1990 Optical Society of America

History
Original Manuscript: November 16, 1989
Published: December 10, 1990

Citation
Thomas Rösgen, Klaus Wozniak, and Günter Wozniak, "Image processing for laser speckle velocimetry using the 2-D fast Fourier transform," Appl. Opt. 29, 5298-5302 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-35-5298

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