Laser range-finding techniques in the sensing of 3-D objects

Ilkka P.A. Kaisto; Juha Tapio Kostamovaara; Ilkka Moring; Risto A. Myllylae

doi:10.1117/12.20011

1 January 1990 Laser range-finding techniques in the sensing of 3-D objects

Ilkka P.A. Kaisto, Juha Tapio Kostamovaara, Ilkka Moring, Risto A. Myllylae

Proceedings Volume 1260, Sensing and Reconstruction of Three-Dimensional Objects and Scenes; (1990) https://doi.org/10.1117/12.20011
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

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.

Citation Download Citation

Ilkka P.A. Kaisto, Juha Tapio Kostamovaara, Ilkka Moring, and Risto A. Myllylae "Laser range-finding techniques in the sensing of 3-D objects", Proc. SPIE 1260, Sensing and Reconstruction of Three-Dimensional Objects and Scenes, (1 January 1990); https://doi.org/10.1117/12.20011

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