Distributed query processing for mobile surveillance
Greenhill, Stewart and Venkatesh, Svetha 2007, Distributed query processing for mobile surveillance, in ACM Multimedia 2007 : proceedings of the 15th ACM International Conference on Multimedia, [ACM], [Augsburg, Germany], pp. 413-422, doi: 10.1145/1291233.1291331.
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Distributed query processing for mobile surveillance
Addressing core issues in mobile surveillance, we present an architecture for querying and retrieving distributed, semi-permanent multi-modal data through challenged networks with limited connectivity. The system provides a rich set of queries for spatio-temporal querying in a surveillance context, and uses the network availability to provide best quality of service. It incrementally and adaptively refines the query, using data already retrieved that exists on static platforms and on-demand data that it requests from mobile platforms. We demonstrate the system using a real surveillance system on a mobile 20 bus transport network coupled with static bus depot infrastructure. In addition, we show the robustness of the system in handling different conditions in the underlying infrastructure by running simulations on a real, but historic dataset collected in an offline manner.
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