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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 30 — Oct. 20, 2010
  • pp: 5851–5860

Vision ray calibration for the quantitative geometric description of general imaging and projection optics in metrology

Thorsten Bothe, Wansong Li, Michael Schulte, Christoph von Kopylow, Ralf B. Bergmann, and Werner P. O. Jüptner  »View Author Affiliations


Applied Optics, Vol. 49, Issue 30, pp. 5851-5860 (2010)
http://dx.doi.org/10.1364/AO.49.005851


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Abstract

Exact geometric calibration of optical devices like projectors or cameras is the basis for utilizing them in quantitative metrological applications. The common state-of-the-art photogrammetric pinhole-imaging-based models with supplemental polynomial corrections fail in the presence of nonsymmetric or high-spatial-frequency distortions and in describing caustics efficiently. These problems are solved by our vision ray calibration (VRC), which is proposed in this paper. The VRC takes an optical mapping system modeled as a black box and directly delivers corresponding vision rays for each mapped pixel. The underlying model, the calibration process, and examples are visualized and reviewed, demonstrating the potential of the VRC.

© 2010 Optical Society of America

OCIS Codes
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(150.6910) Machine vision : Three-dimensional sensing
(150.0155) Machine vision : Machine vision optics
(150.1488) Machine vision : Calibration
(150.3045) Machine vision : Industrial optical metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 1, 2010
Revised Manuscript: August 13, 2010
Manuscript Accepted: September 2, 2010
Published: October 18, 2010

Citation
Thorsten Bothe, Wansong Li, Michael Schulte, Christoph von Kopylow, Ralf B. Bergmann, and Werner P. O. Jüptner, "Vision ray calibration for the quantitative geometric description of general imaging and projection optics in metrology," Appl. Opt. 49, 5851-5860 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-30-5851

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