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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 31 — Nov. 1, 1999
  • pp: 6528–6531

Three-dimensional profilometry based on coded linear-structure light with isosceles triangle teeth

Liang Meng and Fang Qiang  »View Author Affiliations


Applied Optics, Vol. 38, Issue 31, pp. 6528-6531 (1999)
http://dx.doi.org/10.1364/AO.38.006528


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Abstract

A method of linearly coded profilometry is proposed. It uses linear-structure light with isosceles triangle teeth to code the object being measured and a phase-shifting technique to decode the profile. For reducing the effect of noise more than three equally spaced samples are used, and, according to the least-squares method, the general formulas of the decoded phase are given. The experimental results of a model of a head are shown.

© 1999 Optical Society of America

OCIS Codes
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.6910) Machine vision : Three-dimensional sensing

History
Original Manuscript: December 24, 1998
Published: November 1, 1999

Citation
Liang Meng and Fang Qiang, "Three-dimensional profilometry based on coded linear-structure light with isosceles triangle teeth," Appl. Opt. 38, 6528-6531 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-31-6528


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