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Proceedings Paper

Laser range-finding techniques in the sensing of 3-D objects
Author(s): Ilkka P.A. Kaisto; Juha Tapio Kostamovaara; Ilkka Moring; Risto A. Myllylae
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Paper Abstract

Three pulsed time-of--flight laser rangefinders have been developed for studying the measurement of the 3-D shape of large objects. A manually scanned system is suggested for manufacturing accuracy measurement and control for ship block assembly. This system can be used to measure distance, plane regularity, angles, spatial forms etc . , within a range from 3 m to 30 m with mm-level accuracy . The two others are automatically scanning based on galvanometer driven mirrors, and a servo-controlled mechanical scanner. These systems are intended for applications where it is important to be able to gather 3-D data automatically and with high speed. The resolutions are also on the mm-level, but the measurement speed is 10 000 points/s at maximum.

Paper Details

Date Published: 1 January 1990
PDF: 12 pages
Proc. SPIE 1260, Sensing and Reconstruction of Three-Dimensional Objects and Scenes, (1 January 1990); doi: 10.1117/12.20011
Show Author Affiliations
Ilkka P.A. Kaisto, Univ. of Oulu (Finland)
Juha Tapio Kostamovaara, Univ. of Oulu (Finland)
Ilkka Moring, Technical Research Ctr. of Fin (Finland)
Risto A. Myllylae, Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 1260:
Sensing and Reconstruction of Three-Dimensional Objects and Scenes
Bernd Girod, Editor(s)

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