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Proceedings Paper

Automatic Inspection Of 3D Objects Using Stereo
Author(s): Dave Hutber
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Paper Abstract

A system is described which acquires a depth map of an object using the stereo principle. The system consists of a matched pair of cameras, which are able to move, zoom etc. under computer control, enabling an entire inspection sequence to be performed automati-cally. The correspondence problem is overcome by projecting a controlled stripe of laser light onto the object, and then moving the stripe to obtain a series of images that are processed to give a dense depth map. The accuracy of this depth map and its limiting factors are discussed, with particular reference to the calibration procedure used and the components of the system.

Paper Details

Date Published: 12 March 1988
PDF: 6 pages
Proc. SPIE 0850, Optics, Illumination, and Image Sensing for Machine Vision II, (12 March 1988); doi: 10.1117/12.942871
Show Author Affiliations
Dave Hutber, Sowerby Research Centre (U.K.)

Published in SPIE Proceedings Vol. 0850:
Optics, Illumination, and Image Sensing for Machine Vision II
Donald J. Svetkoff, Editor(s)

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