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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 22 — Aug. 1, 1990
  • pp: 3266–3270

Automatic fringe detection algorithm used for moire deflectometry

M. Servin, R. Rodriguez-Vera, M. Carpio, and A. Morales  »View Author Affiliations


Applied Optics, Vol. 29, Issue 22, pp. 3266-3270 (1990)
http://dx.doi.org/10.1364/AO.29.003266


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Abstract

An automatic fringe detection algorithm applied to moire deflectometry is presented. This algorithm is based on a set of points linked together and with a behavior similar to a rubber band, in which these points are attracted to fit the moire fringes. The collective behavior of these points gives rise to a final state which is their regularly spaced alignment along the fringe pattern. The algorithm is dynamic in the sense that it tracks the fringe even when it suffers continuous deformations. Once the rubber band is adapted, the rubber band’s points coordinates are obtained and their distance to the starting straight line is found, as required by moire deflectometry.

© 1990 Optical Society of America

History
Original Manuscript: June 28, 1989
Published: August 1, 1990

Citation
M. Servin, R. Rodriguez-Vera, M. Carpio, and A. Morales, "Automatic fringe detection algorithm used for moire deflectometry," Appl. Opt. 29, 3266-3270 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-22-3266


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