OCCUPANCY ANALYSIS OF SPORTS ARENAS USING THERMAL IMAGING

Rikke Gade; Anders Jørgensen; Thomas B. Moeslund

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Paper

OCCUPANCY ANALYSIS OF SPORTS ARENAS USING THERMAL IMAGING

Topics: Object Detection and Localization; Segmentation and Grouping; Video Surveillance and Event Detection

In Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, 277-283, 2012 , Rome, Italy

Authors: Rikke Gade ; Anders Jørgensen and Thomas B. Moeslund

Affiliation: Aalborg University, Denmark

Keyword(s): Thermal Imaging, Image Processing, Human Detection.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image and Video Analysis ; Motion, Tracking and Stereo Vision ; Segmentation and Grouping ; Video Surveillance and Event Detection

Abstract: This paper presents a system for automatic analysis of the occupancy of sports arenas. By using a thermal camera for image capturing the number of persons and their location on the court are found without violating any privacy issues. The images are binarised with an automatic threshold method. Reflections due to shiny surfaces are eliminated by analysing symmetric patterns. Occlusions are dealt with through a concavity analysis of the binary regions. The system is tested in five different sports arenas, for more than three full weeks altogether. These tests showed that after a short initialisation routine the system operates independent of the different environments. The system can very precisely distinguish between zero, some or many persons on the court and give a good indication of which parts of the court that has been used.

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Paper citation in several formats:

Gade, R.; Jørgensen, A. and B. Moeslund, T. (2012). OCCUPANCY ANALYSIS OF SPORTS ARENAS USING THERMAL IMAGING. In Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP; ISBN 978-989-8565-04-4; ISSN 2184-4321, SciTePress, pages 277-283. DOI: 10.5220/0003843202770283

@conference{visapp12,
author={Rikke Gade. and Anders Jørgensen. and Thomas {B. Moeslund}.},
title={OCCUPANCY ANALYSIS OF SPORTS ARENAS USING THERMAL IMAGING},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP},
year={2012},
pages={277-283},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003843202770283},
isbn={978-989-8565-04-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP
TI - OCCUPANCY ANALYSIS OF SPORTS ARENAS USING THERMAL IMAGING
SN - 978-989-8565-04-4
IS - 2184-4321
AU - Gade, R.
AU - Jørgensen, A.
AU - B. Moeslund, T.
PY - 2012
SP - 277
EP - 283
DO - 10.5220/0003843202770283
PB - SciTePress