Distributed camera overlap estimation - Enabling large scale surveillance

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dc.contributor.authorVan Den Hengel, A.
dc.contributor.authorDick, A.
dc.contributor.authorDetmold, H.
dc.contributor.authorCichowski, A.
dc.contributor.authorMadden, C.
dc.contributor.authorHill, R.
dc.contributor.editorRemagnino, P.
dc.contributor.editorMonekosso, D.
dc.contributor.editorJain, L.
dc.date.issued2011
dc.descriptionAlso cited as a journal article: Studies in Computational Intelligence, 2011; 336:147-182
dc.description.abstractA key enabler for the construction of large-scale intelligent surveillance systems is the accurate estimation of activity topology graphs. An activity topology graph describes the relationships between the fields of view of the cameras in a surveillance network. An accurate activity topology estimate allows higher-level processing such as network-wide tracking to be localised within neighbourhoods defined by the topology, and thus to scale. The camera overlap graph is an important special case of the general activity topology, in which edges represent overlap between cameras' fields of view. We describe a family of pairwise occupancy overlap estimators, which are the only approaches proven to scale to networks with thousands of cameras. A distributed implementation is described, which enables the estimator to scale beyond the limits achievable by centralised implementations, and supports growth of the network whilst it remains online. Formulae are derived to describe the memory and network bandwidth requirements of the distributed implementation, which are verified by empirical results. Finally, the efficacy of the overlap estimators is demonstrated using results from their application in higher-level processing, specifically to network-wide tracking, which becomes feasible within the topology oriented architecture.
dc.description.statementofresponsibilityAnton van den Hengel, Anthony Dick, Henry Detmold, Alex Cichowski, Christopher Madden, and Rhys Hill
dc.identifier.citationInnovations in Defence Support Systems - 3: Intelligent Paradigms in Security, 2011 / Remagnino, P., Monekosso, D., Jain, L. (ed./s), vol.336, pp.147-182
dc.identifier.doi10.1007/978-3-642-18278-5_7
dc.identifier.isbn9783642182778
dc.identifier.orcidVan Den Hengel, A. [0000-0003-3027-8364]
dc.identifier.orcidDick, A. [0000-0001-9049-7345]
dc.identifier.urihttp://hdl.handle.net/2440/70042
dc.language.isoen
dc.publisherSpringer
dc.publisher.placeGermany
dc.rights© Springer-Verlag Berlin Heidelberg 2011
dc.source.urihttps://doi.org/10.1007/978-3-642-18278-5_7
dc.titleDistributed camera overlap estimation - Enabling large scale surveillance
dc.typeBook chapter
pubs.publication-statusPublished

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