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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3080–3082

Flexible 3-D shape measurement using projector defocusing

Shuangyan Lei and Song Zhang  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3080-3082 (2009)
http://dx.doi.org/10.1364/OL.34.003080


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Abstract

We present a 3-D shape-measurement technique using a defocused projector. The ideal sinusoidal fringe patterns are generated by defocusing binary structured patterns, and the phase shift is realized by shifting the binary patterns spatially. Because this technique does not require calibration of the gamma of the projector, it is easy to implement and thus is promising for developing flexible 3-D shape measurement systems using digital video projectors.

© 2009 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: July 28, 2009
Revised Manuscript: September 4, 2009
Manuscript Accepted: September 12, 2009
Published: October 6, 2009

Citation
Shuangyan Lei and Song Zhang, "Flexible 3-D shape measurement using projector defocusing," Opt. Lett. 34, 3080-3082 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3080


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