Conference article

Calibration of Depth Camera Arrays

Razmik Avetisyan
Visual Computing Lab, University of Rostock, Germany

Malte Willert
Visual Computing Lab, University of Rostock, Germany

Stephan Ohl
Visual Computing Lab, University of Rostock, Germany

Oliver Staadt
Visual Computing Lab, University of Rostock, Germany

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Published in: Proceedings of SIGRAD 2014, Visual Computing, June 12-13, 2014, Göteborg, Sweden

Linköping Electronic Conference Proceedings 106:6, p. 41-48

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Published: 2014-10-30

ISBN: 978-91-7519-212-3

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

Depth cameras are increasingly used for tasks such as 3-D reconstruction, user pose estimation, and humancomputer interaction. Depth-camera systems comprising multiple depth sensors require careful calibration. In addition to conventional 2-D camera calibration, depth correction for each individual device is necessary. In this paper, we present a new way of solving the multi depth-camera calibration problem. Our main contribution is a novel depth correction approach which supports the generation of a 3-D lookup table by incorporating an optical marker-based tracking system. We verify our approach for the Microsoft Kinect and for the MESA Swiss-Ranger4000 time-of-flight camera.

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