To enhance video surveillance systems, multi-modal sensor integration can be a successful strategy. In this work, a computer vision system able to detect and track people from multiple cameras is integrated with a wireless sensor network mounting passive Pyroelectric InfraRed sensors. Thetwo subsystems are briefly described and possible cases in which computer vision algorithms are likely to fail are discussed. Then, simple but reliable outputs from the sensor nodes are exploited to improve the accuracy of the vision system. In particular, two case studies are reported: the first uses the presence detection of sensors to disambiguate between an open door and a moving person, while the second handles motion direction changes during occlusions. Preliminary results are reported and demonstrate the usefulness of the integration of the two subsystems.

Using a Wireless Sensor Network to Enhance Video Surveillance / Cucchiara, Rita; Prati, Andrea; Vezzani, Roberto; L., Benini; E., Farella; P., Zappi. - In: JOURNAL OF UBIQUITOUS COMPUTING AND INTELLIGENCE. - ISSN 1555-1326. - STAMPA. - 1 (2):(2007), pp. 1-11.

Using a Wireless Sensor Network to Enhance Video Surveillance

CUCCHIARA, Rita;PRATI, Andrea;VEZZANI, Roberto;
2007

Abstract

To enhance video surveillance systems, multi-modal sensor integration can be a successful strategy. In this work, a computer vision system able to detect and track people from multiple cameras is integrated with a wireless sensor network mounting passive Pyroelectric InfraRed sensors. Thetwo subsystems are briefly described and possible cases in which computer vision algorithms are likely to fail are discussed. Then, simple but reliable outputs from the sensor nodes are exploited to improve the accuracy of the vision system. In particular, two case studies are reported: the first uses the presence detection of sensors to disambiguate between an open door and a moving person, while the second handles motion direction changes during occlusions. Preliminary results are reported and demonstrate the usefulness of the integration of the two subsystems.
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Using a Wireless Sensor Network to Enhance Video Surveillance / Cucchiara, Rita; Prati, Andrea; Vezzani, Roberto; L., Benini; E., Farella; P., Zappi. - In: JOURNAL OF UBIQUITOUS COMPUTING AND INTELLIGENCE. - ISSN 1555-1326. - STAMPA. - 1 (2):(2007), pp. 1-11.
Cucchiara, Rita; Prati, Andrea; Vezzani, Roberto; L., Benini; E., Farella; P., Zappi
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/585423
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