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Proceedings Paper

Rejection of spurious reflections in structured illumination range finders
Author(s): Robert B. Fisher; D. K. Naidu; D. Singhal
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Paper Abstract

This paper describes techniques for two (or more) camera geometry structured illumination range finders that eliminates most spurious range values that arise from specular reflections from shiny (e.g. metallic) parts. The key observation is that specular reflections produce range values that depend on camera position. Hence, by using two cameras, several consistency tests can be applied that eliminate most spurious range data. This paper describes the constraints that underlie the tests and shows sample performance.

Paper Details

Date Published: 1 March 1994
PDF: 8 pages
Proc. SPIE 2252, Optical 3D Measurement Techniques II: Applications in Inspection, Quality Control, and Robotics, (1 March 1994); doi: 10.1117/12.169873
Show Author Affiliations
Robert B. Fisher, Univ. of Edinburgh (United Kingdom)
D. K. Naidu, Univ. of Edinburgh (United Kingdom)
D. Singhal, Univ. of Edinburgh (United Kingdom)


Published in SPIE Proceedings Vol. 2252:
Optical 3D Measurement Techniques II: Applications in Inspection, Quality Control, and Robotics

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