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Applied Optics

Applied Optics


  • Vol. 36, Iss. 13 — May. 1, 1997
  • pp: 2923–2928

Optical three-dimensional measurements by radially symmetric structured light projection

Matthias Hartrumpf and Roland Munser  »View Author Affiliations

Applied Optics, Vol. 36, Issue 13, pp. 2923-2928 (1997)

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This structured light projection technique has been developed for the inspection of holes and tubes. In contrast to others, the triangulation base is parallel to the line of sight. The features of systems using this measurement method are the following: high accuracy in the wide-angle region, minimal diameter, symmetry of the measurements to the line of sight, and simplified coordinate calculation. The prototype application is the optics of the sewer pipe inspection robot KARO. Application fields are medical or technical wide-angle inspection systems (e.g., endoscopes).

© 1997 Optical Society of America

Original Manuscript: July 9, 1996
Revised Manuscript: October 21, 1996
Published: May 1, 1997

Matthias Hartrumpf and Roland Munser, "Optical three-dimensional measurements by radially symmetric structured light projection," Appl. Opt. 36, 2923-2928 (1997)

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  1. H.-B. Kuntze, D. Schmidt, H. Haffner, “Inspektion von Abwasserkanäalen mit einem mobilen Roboter,” Spektrum Wissenschaft, Mäarz, 100–107 (1995).
  2. “A System for Three-Dimensional Measurement of Inaccessible Hollow Spaces,” (29July1994).
  3. “Process for Detecting Totally or Partially Hidden Nonhomogeneities by Means of Microwave Radiation,” (23November1994).

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