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Proceedings Paper

Real-time image processing of TOF range images using a reconfigurable processor system
Author(s): S. Hussmann; F. Knoll; T. Edeler
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Paper Abstract

During the last years, Time-of-Flight sensors achieved a significant impact onto research fields in machine vision. In comparison to stereo vision system and laser range scanners they combine the advantages of active sensors providing accurate distance measurements and camera-based systems recording a 2D matrix at a high frame rate. Moreover low cost 3D imaging has the potential to open a wide field of additional applications and solutions in markets like consumer electronics, multimedia, digital photography, robotics and medical technologies. This paper focuses on the currently implemented 4-phase-shift algorithm in this type of sensors. The most time critical operation of the phase-shift algorithm is the arctangent function. In this paper a novel hardware implementation of the arctangent function using a reconfigurable processor system is presented and benchmarked against the state-of-the-art CORDIC arctangent algorithm. Experimental results show that the proposed algorithm is well suited for real-time processing of the range images of TOF cameras.

Paper Details

Date Published: 21 June 2011
PDF: 8 pages
Proc. SPIE 8085, Videometrics, Range Imaging, and Applications XI, 808507 (21 June 2011); doi: 10.1117/12.890970
Show Author Affiliations
S. Hussmann, Fachhochschule Westküste Heide (Germany)
F. Knoll, Fachhochschule Westküste Heide (Germany)
T. Edeler, Fachhochschule Westküste Heide (Germany)

Published in SPIE Proceedings Vol. 8085:
Videometrics, Range Imaging, and Applications XI
Fabio Remondino; Mark R. Shortis, Editor(s)

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