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Unusual Event Detection in Crowded Scenes Using Bag of LBPs in spatio-temporal patches

Xu, Jingxin, Denman, Simon, Fookes, Clinton B., & Sridharan, Sridha (2011) Unusual Event Detection in Crowded Scenes Using Bag of LBPs in spatio-temporal patches. In DICTA 2011, IEEE, Noosa, QLD, Australia. (In Press)

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    Abstract

    Modelling events in densely crowded environments
    remains challenging, due to the diversity of events and the noise in the scene. We propose a novel approach for anomalous event detection in crowded scenes using dynamic textures described by the Local Binary Patterns from Three Orthogonal Planes (LBP-TOP) descriptor. The scene is divided into spatio-temporal patches where LBP-TOP based dynamic textures are extracted. We apply hierarchical Bayesian models to detect the patches containing unusual events. Our method is an unsupervised approach, and it does not rely on object tracking or background subtraction. We show that our approach outperforms existing state of the art algorithms for anomalous event detection in UCSD
    dataset.

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    ID Code: 46301
    Item Type: Conference Paper
    Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Artificial Intelligence and Image Processing not elsewhere classified (080199)
    Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
    Past > Institutes > Information Security Institute
    Past > Schools > School of Engineering Systems
    Copyright Owner: Copyright 2011 IEEE.
    Deposited On: 04 Oct 2011 11:52
    Last Modified: 04 Oct 2011 13:39

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