Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/88063
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dc.contributor.authorRobertson, N.-
dc.contributor.authorReid, I.-
dc.date.issued2011-
dc.identifier.citationEurasip Journal on Image and Video Processing, 2011; 2011(530325):530325-1-530325-19-
dc.identifier.issn1687-5281-
dc.identifier.issn1687-5281-
dc.identifier.urihttp://hdl.handle.net/2440/88063-
dc.description.abstractWe present a new method for explaining causal interactions among people in video. The input to the overall system is video in which people are low/medium resolution. We extract and maintain a set of qualitative descriptions of single-person activity using the low-level vision techniques of spatiotemporal action recognition and gaze-direction approximation. This models the input to the "sensors" of the person agent in the scene and is a general sensing strategy for a person agent in a variety of application domains. The information subsequently available to the reasoning process is deliberately limited to model what an agent would actually be able to sense. The reasoning is therefore not a classical "all-knowing" strategy but uses these "sensed" facts obtained from the agents, combined with generic domain knowledge, to generate causal explanations of interactions. We present results from urban surveillance video.-
dc.description.statementofresponsibilityNeil M. Robertson and Ian D. Reid-
dc.language.isoen-
dc.publisherHindawi-
dc.rightsCopyright © 2011 N. M. Robertson and I. D. Reid. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.-
dc.titleAutomatic reasoning about causal events in surveillance video-
dc.typeJournal article-
dc.identifier.doi10.1155/2011/530325-
pubs.publication-statusPublished-
dc.identifier.orcidReid, I. [0000-0001-7790-6423]-
Appears in Collections:Aurora harvest 7
Computer Science publications

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