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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 14 — Jul. 10, 2006
  • pp: 6444–6455

Time efficient color fringe projection system for 3D shape and color using optimum 3-frequency Selection

Zonghua Zhang, Catherine E. Towers, and David P. Towers  »View Author Affiliations


Optics Express, Vol. 14, Issue 14, pp. 6444-6455 (2006)
http://dx.doi.org/10.1364/OE.14.006444


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Abstract

We present a novel color fringe projection system to obtain absolute 3D shape and color of objects simultaneously. Optimum 3-frequency interferometry is used to produce time efficient analysis of the projected fringes by encoding three fringe sets of different pitch into the primary colors of a digital light projector and recording the information on a 3-chip color CCD camera. Phase shifting analysis is used to retrieve sub-wavelength phase information. Absolute phase across the field is calculated using the 3-frequency method independently at each pixel. Concurrent color data is also captured via the RGB channels of the CCD. Thus full-field absolute shape (XYZ) and color (RGB) can be obtained. In this paper we present the basis of the technique and preliminary results having addressed the issue of crosstalk between the color channels.

© 2006 Optical Society of America

OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 17, 2006
Revised Manuscript: June 9, 2006
Manuscript Accepted: June 14, 2006
Published: July 10, 2006

Citation
Zonghua Zhang, Catherine E. Towers, and David P. Towers, "Time efficient color fringe projection system for 3D shape and color using optimum 3-frequency Selection," Opt. Express 14, 6444-6455 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-14-6444


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