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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 29 — Oct. 10, 2013
  • pp: 7094–7098

Optimal fringe angle selection for digital fringe projection technique

Yajun Wang and Song Zhang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 29, pp. 7094-7098 (2013)
http://dx.doi.org/10.1364/AO.52.007094


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Abstract

Existing digital fringe projection (DFP) systems mainly use either horizontal or vertical fringe patterns for three-dimensional shape measurement. This paper reveals that these two fringe directions are usually not optimal where the phase change is the largest to a given depth variation. We propose a novel and efficient method to determine the optimal fringe angle by projecting a set of horizontal and vertical fringe patterns onto a step-height object and by further analyzing two resultant phase maps. Experiments demonstrate the existence of the optimal angle and the success of the proposed optimal angle determination method.

© 2013 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 10, 2013
Revised Manuscript: September 5, 2013
Manuscript Accepted: September 13, 2013
Published: October 3, 2013

Citation
Yajun Wang and Song Zhang, "Optimal fringe angle selection for digital fringe projection technique," Appl. Opt. 52, 7094-7098 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-29-7094

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