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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 22 — Nov. 15, 1988
  • pp: 4684–4689

Acquisition of 3-D data by focus sensing

K. Engelhardt and Gerd Häusler  »View Author Affiliations


Applied Optics, Vol. 27, Issue 22, pp. 4684-4689 (1988)
http://dx.doi.org/10.1364/AO.27.004684


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Abstract

A range sensing technique is demonstrated that finds the 3-D shape of diffusely reflecting objects. The technique works sequentially in depth direction and is based on structured illumination and focus sensing. A TV camera and analog electronics are used to find the locations in focus of each step of a focus series in TV real time. The depth resolution is not very high, however, the technique is simple, rapid, and well suited to get an overview of a scene in robot vision.

© 1988 Optical Society of America

History
Original Manuscript: March 17, 1988
Published: November 15, 1988

Citation
K. Engelhardt and Gerd Häusler, "Acquisition of 3-D data by focus sensing," Appl. Opt. 27, 4684-4689 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-22-4684

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