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Proceedings Paper

Low cost characterization of TOF range sensors resolution
Author(s): Gabriele Guidi; Michele Russo; Grazia Magrassi; Monica Bordegoni
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Paper Abstract

The core of the paper is focused on the experimental characterization of four different 3D laser scanners based on Time of Flight principle, through the extraction of resolution, accuracy and uncertainty parameters from specifically designed 3D test objects. The testing process leads to four results: z-uncertainty, xy-resolution z-resolution and z-accuracy. The first is obtained by the evaluation of random residuals from the 3D capture of a planar target, the second from the scanner response to an abrupt z-jump, and the last two from direct evaluation of the image extracted by different geometric features progressively closer each other. The aim of this research is to suggest a low cost characterization process, mainly based on calibrated test object easy to duplicate, that allow an objective and reliable comparison between 3D TOF scanner performances.

Paper Details

Date Published: 27 January 2011
PDF: 10 pages
Proc. SPIE 7864, Three-Dimensional Imaging, Interaction, and Measurement, 78640D (27 January 2011); doi: 10.1117/12.876860
Show Author Affiliations
Gabriele Guidi, Politecnico di Milano (Italy)
Michele Russo, Politecnico di Milano (Italy)
Grazia Magrassi, Politecnico di Milano (Italy)
Monica Bordegoni, Politecnico di Milano (Italy)

Published in SPIE Proceedings Vol. 7864:
Three-Dimensional Imaging, Interaction, and Measurement
J. Angelo Beraldin; Ian E. McDowall; Atilla M. Baskurt; Margaret Dolinsky; Geraldine S. Cheok; Michael B. McCarthy; Ulrich Neuschaefer-Rube, Editor(s)

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