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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 3 — Mar. 1, 2007
  • pp: 785–793

Toward dynamic recalibration and three-dimensional reconstruction in a structured light system

Y. F. Li and B. Zhang  »View Author Affiliations

JOSA A, Vol. 24, Issue 3, pp. 785-793 (2007)

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We present a method for dynamic recalibration and 3D reconstruction via a structured light system. Assuming that the light planes cast from the digital light projector have been calibrated off-line, we show that the focal length, aspect ratio, and all motion parameters of the camera can be determined on-line. Then the 3D reconstruction can be carried out by either a traditional triangulation method or a more efficient transformation-based method. In the latter method, a single image is sufficient for the whole process of calibration and reconstruction. Thus a hand-held camera can be used. Computer simulation and real data experiments were carried out to validate the method.

© 2007 Optical Society of America

OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(110.0110) Imaging systems : Imaging systems
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(150.0150) Machine vision : Machine vision
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: April 28, 2006
Revised Manuscript: August 11, 2006
Manuscript Accepted: September 11, 2006
Published: February 14, 2007

Virtual Issues
Vol. 2, Iss. 4 Virtual Journal for Biomedical Optics

Y. F. Li and B. Zhang, "Toward dynamic recalibration and three-dimensional reconstruction in a structured light system," J. Opt. Soc. Am. A 24, 785-793 (2007)

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