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Journal of Electronic Imaging

Fusion of thermal- and visible-band video for abandoned object detection
Author(s): Cigdem Beyan; Ahmet Yigit; Alptekin Temizel
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Paper Abstract

Timely detection of packages that are left unattended in public spaces is a security concern, and rapid detection is important for prevention of potential threats. Because constant surveillance of such places is challenging and labor intensive, automated abandoned-object-detection systems aiding operators have started to be widely used. In many studies, stationary objects, such as people sitting on a bench, are also detected as suspicious objects due to abandoned items being defined as items newly added to the scene and remained stationary for a predefined time. Therefore, any stationary object results in an alarm causing a high number of false alarms. These false alarms could be prevented by classifying suspicious items as living and nonliving objects. In this study, a system for abandoned object detection that aids operators surveilling indoor environments such as airports, railway or metro stations, is proposed. By analysis of information from a thermal- and visible-band camera, people and the objects left behind can be detected and discriminated as living and nonliving, reducing the false-alarm rate. Experiments demonstrate that using data obtained from a thermal camera in addition to a visible-band camera also increases the true detection rate of abandoned objects.

Paper Details

Date Published: 1 July 2011
PDF: 13 pages
J. Electron. Imaging. 20(3) 033001 doi: 10.1117/1.3602204
Published in: Journal of Electronic Imaging Volume 20, Issue 3
Show Author Affiliations
Cigdem Beyan, Middle East Technical Univ. (Turkey)
Ahmet Yigit, Middle East Technical Univ. (Turkey)
Alptekin Temizel, Middle East Technical Univ. (Turkey)

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