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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 4 — Feb. 15, 2012
  • pp: 620–622

Flexible geometrical calibration for fringe-reflection 3D measurement

Yong-Liang Xiao, Xianyu Su, and Wenjing Chen  »View Author Affiliations


Optics Letters, Vol. 37, Issue 4, pp. 620-622 (2012)
http://dx.doi.org/10.1364/OL.37.000620


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Abstract

System geometrical calibration is a challenging task in fringe-reflection 3D measurement because the fringe displayed on the LCD screen does not lie within the camera’s field of view. Commonly, a flat mirror with markers can accomplish system geometrical calibration. However, the position of the markers must be precisely located by photogrammetry in advance. In this Letter, we introduce a calibration method by use of a markerless flat mirror. Experiments in phase measuring deflectometry demonstrate that the proposed method is simple and flexible.

© 2012 Optical Society of America

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.5700) Instrumentation, measurement, and metrology : Reflection
(150.6910) Machine vision : Three-dimensional sensing
(150.1135) Machine vision : Algorithms

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 2, 2011
Revised Manuscript: December 1, 2011
Manuscript Accepted: December 1, 2011
Published: February 10, 2012

Citation
Yong-Liang Xiao, Xianyu Su, and Wenjing Chen, "Flexible geometrical calibration for fringe-reflection 3D measurement," Opt. Lett. 37, 620-622 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-4-620

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