Scheduling an active camera to observe people

Authors:
Cash J. Costello;Christopher P. Diehl;Amit Banerjee;Hesky Fisher
Affiliations:
Johns Hopkins, Laurel, MD;Johns Hopkins, Laurel, MD;Johns Hopkins, Laurel, MD;Johns Hopkins, Laurel, MD
Venue:
Proceedings of the ACM 2nd international workshop on Video surveillance & sensor networks
Year:
2004

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Abstract

Remote identification of people is an important capability for security systems. Automatically controlling a pan-tilt-zoom camera is an effective way to collect high resolution video or images of people in an unconstrained environment. Often there will be more people in an area than cameras available. The cameras must then divide their time among the people in order to view everyone. In this paper, we discuss the challenges involved in scheduling an active camera to observe multiple people. We present some candidate scheduling policies to address these challenges and evaluate their performance. The evaluation was conducted with a simulation based on data collected with our cooperative active camera system.