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Calibration of a structured light system: a projective approach

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1 Author(s)
Huynh, D.Q. ; Centre for Sensor Signal & Inf. Process., Signal Process. Res. Inst., The Levels, SA, Australia

We present in this paper a novel calibration method that uses cross ratio to compute world points falling onto any given light stripe plane of a structured light system. We show that, by using 4 known non-coplanar sets of 3 collinear world points, the direct 4×3 image-to-world transformation matrix for each light stripe plane can also be recovered from plane-to-plane homography. Preliminary experiments conducted with a calibration target and a mannequin suggest that this novel calibration method is robust and is applicable to many shape measurement task

Published in:

Computer Vision and Pattern Recognition, 1997. Proceedings., 1997 IEEE Computer Society Conference on

Date of Conference:

17-19 Jun 1997