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Interpretation of complex situations in a semantic-based surveillance framework

AuthorsFernández, Carles; Baiget, Pau; Roca, F. Xavier; Gonzàlez, Jordi
KeywordsCognitive vision system
Situation analysis
Applied ontologies
Issue Date2008
CitationSignal Processing: Image Communication 23(7): 554-569 (2008)
AbstractThe integration of cognitive capabilities in computer vision systems requires both to enable high semantic expressiveness and to deal with high computational costs as large amounts of data are involved in the analysis. This contribution describes a cognitive vision system conceived to automatically provide high-level interpretations of complex real-time situations in outdoor and indoor scenarios, and to eventually maintain communication with casual end users in multiple languages. The main contributions are: (i) the design of an integrative multilevel architecture for cognitive surveillance purposes; (ii) the proposal of a coherent taxonomy of knowledge to guide the process of interpretation, which leads to the conception of a situation-based ontology; (iii) the use of situational analysis for content detection and a progressive interpretation of semantically rich scenes, by managing incomplete or uncertain knowledge, and (iv) the use of such an ontological background to enable multilingual capabilities and advanced end-user interfaces. Experimental results are provided to show the feasibility of the proposed approach.
Publisher version (URL)http://dx.doi.org/10.1016/j.image.2008.04.015
Appears in Collections:(IRII) Artículos
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