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Proceedings Paper

Range imaging technology: new developments and applications for people identification and tracking
Author(s): Timo Kahlmann; Fabio Remondino; Sébastien Guillaume
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Paper Abstract

Range Imaging (RIM) is a new suitable choice for measurement and modeling in many different applications. RIM is a fusion of two different technologies. According to the terminology, it integrates distance measurement as well as imaging aspects. The distance measurement principle is dominated by the time-of-flight principle while the imaging array (e.g. CMOS sensor) enables each pixel to store also the distance towards the corresponding object point. Due to the technology's relatively new appearance on the market, with a few different realizations, the knowledge of its capabilities is very low. In this paper we present our investigations on the range imaging camera SwissRangerTM (realized by the Swiss Center for Electronics and Microtechnology, CSEM). Different calibration procedures are performed, including a photogrammetric camera calibration and a distance system calibration with respect to the reflectivity and the distance itself. Furthermore we report about measurement applications in the field of surveillance and biometrics. In particular, range imaging data of moving people are analyzed, to identify humans, detect their movements and recover 3D trajectories.

Paper Details

Date Published: 29 January 2007
PDF: 12 pages
Proc. SPIE 6491, Videometrics IX, 64910C (29 January 2007); doi: 10.1117/12.702512
Show Author Affiliations
Timo Kahlmann, ETH Zürich (Switzerland)
Fabio Remondino, ETH Zürich (Switzerland)
Sébastien Guillaume, ETH Zürich (Switzerland)

Published in SPIE Proceedings Vol. 6491:
Videometrics IX
J.-Angelo Beraldin; Fabio Remondino; Mark R. Shortis, Editor(s)

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