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A self-referenced hand-held range sensor

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1 Author(s)
Hebert, P. ; Comput. Vis. & Syst. Lab., Laval Univ., Que., Canada

Due to its portability and great maneuverability, a handheld range sensor is a flexible solution or complement to efficiently digitize the 3-D shape for a wide variety of objects. This paper firstly presents a review of the existing hand-held technologies. Although the designation encompasses various system configurations, the structured light pattern, if any and sensor positioning are key elements. A trinocular configuration with two synchronized cameras and a light pattern projector is then proposed and tested experimentally. To eliminate the necessity for an external positioning device, a set of points are projected in the scene using a fixed and independent projector. The proposed configuration reveals interesting characteristics for calibration and measurement robustness

Published in:

3-D Digital Imaging and Modeling, 2001. Proceedings. Third International Conference on

Date of Conference:

2001