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Proceedings Paper

Quantification of air flow patterns by image processing
Author(s): Andres Van Brecht; Koen Janssens; D. Berckmans; E. Vranken
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Paper Abstract

In a ventilated space, the incoming air jet and the resulting air flow pattern play key roles in the removal or supply of heat, moisture, and harmful gases from or to living organisms (man, animal, plant). In this research, two low cost image processing methods (boundary peeling and optical flow) were developed to quantify the 2-D trajectory and the deflection angle of an air jet in a ventilated room. The image processing algorithms were applied to a wide range of air jets in a laboratory test room. Based on the deflection angle of the air jet trajectory from the initial path, a distinction could be made between falling, instable or horizontal air jets.

Paper Details

Date Published: 10 September 1999
PDF: 12 pages
Proc. SPIE 3827, Diagnostic Imaging Technologies and Industrial Applications, (10 September 1999); doi: 10.1117/12.361007
Show Author Affiliations
Andres Van Brecht, Katholieke Univ. Leuven (Belgium)
Koen Janssens, Katholieke Univ. Leuven and Fund for Scientific Research (Belgium)
D. Berckmans, Katholieke Univ. Leuven (Belgium)
E. Vranken, Katholieke Univ. Leuven (Belgium)

Published in SPIE Proceedings Vol. 3827:
Diagnostic Imaging Technologies and Industrial Applications
Jorma Lammasniemi; Herbert Wiggenhauser; Gerhard Busse; Bruce G. Batchelor; Wolfgang Poelzleitner; Gerd Dobmann, Editor(s)

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