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Proceedings Paper

High-speed 3D shape measurement by GOBO projection of aperiodic sinusoidal fringes: a performance analysis
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Paper Abstract

In order to increase the measurement speed of pattern projection-based 3D sensors, we have developed a GOBO slide-based pattern projector (GOes Before Optics) which allows for pattern projection at several 10,000 fps. After first experimental configurations have been mainly set up based on empirical study, in this contribution, we investigate the capabilities of a GOBO projection-based 3D sensor on a theoretical level. We discuss and optimize the parameters which influence the completeness and accuracy of the 3D result, and we experimentally verify the theoretical results by means of a GOBO projection-based 3D sensor operating in the near infrared.

Paper Details

Date Published: 14 May 2018
PDF: 8 pages
Proc. SPIE 10667, Dimensional Optical Metrology and Inspection for Practical Applications VII, 106670A (14 May 2018); doi: 10.1117/12.2304760
Show Author Affiliations
Stefan Heist, Abbe Ctr. of Photonics (Germany)
Fraunhofer IOF (Germany)
Patrick Dietrich, Abbe Ctr. of Photonics (Germany)
Fraunhofer IOF (Germany)
Martin Landmann, Abbe Ctr. of Photonics (Germany)
Fraunhofer IOF (Germany)
Peter Kühmstedt, Fraunhofer IOF (Germany)
Gunther Notni, Fraunhofer IOF (Germany)
Ilmenau Univ. of Technology (Germany)


Published in SPIE Proceedings Vol. 10667:
Dimensional Optical Metrology and Inspection for Practical Applications VII
Kevin G. Harding; Song Zhang, Editor(s)

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