Unsupervised Learning of Behavioural Patterns for Video-Surveillance

Nicoletta Noceti 1 Matteo Santoro 1 Francesca Odone 1
1 DISI - Dipartimento di Informatica e Scienze dell'Informazione
Abstract : Unsupervised learning is a way to extract knowledge from noisy and complex sets of unlabeled data. The video-surveillance setting provides a potentially huge amount of unlabeled information on a given scene. In this paper we explore the use of spectral clustering to learn common behaviours from sets of dynamic events from a video-surveillance system. In particular we discuss how temporal data, characterized by variable lengths and an internal ordering, may be exploited effectively by means of appropriate representations and kernel functions. An experimental assessment on synthetic and real data guides us to an effective solution based on the use of strings.
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Communication dans un congrès
The 1st International Workshop on Machine Learning for Vision-based Motion Analysis - MLVMA'08, Oct 2008, Marseille, France. 2008
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Nicoletta Noceti, Matteo Santoro, Francesca Odone. Unsupervised Learning of Behavioural Patterns for Video-Surveillance. The 1st International Workshop on Machine Learning for Vision-based Motion Analysis - MLVMA'08, Oct 2008, Marseille, France. 2008. 〈inria-00326714〉

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