Zhang, T;
Chowdhery, A;
Bahl, P;
Jamieson, K;
Banerjee, S;
(2015)
The Design and Implementation of a Wireless Video Surveillance System.
In: Fdida, S and Pau, G and Kasera, SK and Zheng, H, (eds.)
Proceedings of the 21st Annual International Conference on Mobile Computing and Networking.
(pp. pp. 426-438).
Association for Computing Machinery: Paris, France.
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Abstract
Internet-enabled cameras pervade daily life, generating a huge amount of data, but most of the video they generate is transmitted over wires and analyzed offline with a human in the loop. The ubiquity of cameras limits the amount of video that can be sent to the cloud, especially on wireless networks where capacity is at a premium. In this paper, we present Vigil, a real-time distributed wireless surveillance system that leverages edge computing to support real-time tracking and surveillance in enterprise campuses, retail stores, and across smart cities. Vigil intelligently partitions video processing between edge computing nodes co-located with cameras and the cloud to save wireless capacity, which can then be dedicated to Wi-Fi hotspots, offsetting their cost. Novel video frame prioritization and traffic scheduling algorithms further optimize Vigil's bandwidth utilization. We have deployed Vigil across three sites in both whitespace and Wi-Fi networks. Depending on the level of activity in the scene, experimental results show that Vigil allows a video surveillance system to support a geographical area of coverage between five and 200 times greater than an approach that simply streams video over the wireless network. For a fixed region of coverage and bandwidth, Vigil outperforms the default equal throughput allocation strategy of Wi-Fi by delivering up to 25% more objects relevant to a user's query.
| Type: | Proceedings paper |
|---|---|
| Title: | The Design and Implementation of a Wireless Video Surveillance System. |
| Event: | MobiCom '15 : 21st Annual International Conference on Mobile Computing and Networking, Paris, France, September 07 - 11, 2015 |
| ISBN-13: | 9781450336192 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1145/2789168.2790123 |
| Publisher version: | http://dx.doi.org/10.1145/2789168.2790123 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Edge computing, video surveillance, wireless. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1506446 |
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