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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 6 — Feb. 20, 2009
  • pp: 1052–1061

Three-dimensional shape measurement with a fast and accurate approach

Zhaoyang Wang, Hua Du, Seungbae Park, and Huimin Xie  »View Author Affiliations


Applied Optics, Vol. 48, Issue 6, pp. 1052-1061 (2009)
http://dx.doi.org/10.1364/AO.48.001052


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Abstract

A noncontact, fast, accurate, low-cost, broad-range, full-field, easy-to-implement three-dimensional (3D) shape measurement technique is presented. The technique is based on a generalized fringe projection profilometry setup that allows each system component to be arbitrarily positioned. It employs random phase-shifting, multifrequency projection fringes, ultrafast direct phase unwrapping, and inverse self-calibration schemes to perform 3D shape determination with enhanced accuracy in a fast manner. The relative measurement accuracy can reach 1 / 10,000 or higher, and the acquisition speed is faster than two 3D views per second. The validity and practicability of the proposed technique have been verified by experiments. Because of its superior capability, the proposed 3D shape measurement technique is suitable for numerous applications in a variety of fields.

© 2009 Optical Society of America

OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(150.6910) Machine vision : Three-dimensional sensing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 22, 2008
Revised Manuscript: December 5, 2008
Manuscript Accepted: January 22, 2009
Published: February 12, 2009

Citation
Zhaoyang Wang, Hua Du, Seungbae Park, and Huimin Xie, "Three-dimensional shape measurement with a fast and accurate approach," Appl. Opt. 48, 1052-1061 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-6-1052

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