1-D Mark Direction Sensing Method With Parallel Mirror Tunnel For 3-D Position Measuring System

Masanori Idesawa

doi:10.1117/12.967156

1 January 1987 1-D Mark Direction Sensing Method With Parallel Mirror Tunnel For 3-D Position Measuring System

Masanori Idesawa

Proceedings Volume 0813, Optics and the Information Age; (1987) https://doi.org/10.1117/12.967156
Event: 14th Congress of the International Commission for Optics, 1987, Quebec, Canada

Abstract

Optical position measuring methods can provide an effective tool for non-contact measurement of shape, deformation, movement and so forth. Many of them are based on the trianguration in the wide sense. In order to remove the correspondence problem in the triangulation, light beam projecting method has been used widely. In the light beam projecting method, surface of an object to be measured is swept by a bright spot and image positions of the bright spot are detected by the several mark position detecting apparatuses. Then the 3-D position of a bright spot is determined based on the principle of triangulation. In this method, the measuring accuracy of 3-D position is influenced considerably by the detecting accuracy of image position on the observation plane.

Citation Download Citation

Masanori Idesawa "1-D Mark Direction Sensing Method With Parallel Mirror Tunnel For 3-D Position Measuring System", Proc. SPIE 0813, Optics and the Information Age, (1 January 1987); https://doi.org/10.1117/12.967156

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