Real-Time Abnormal Event Detection in Complicated Scenes

Authors:
Yinghuan Shi;Yang Gao;Ruili Wang
Affiliations:
-;-;-
Venue:
ICPR '10 Proceedings of the 2010 20th International Conference on Pattern Recognition
Year:
2010

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Abstract

In this paper, we proposed a novel real-time abnormal event detection framework that requires a short training period and has a fast processing speed. Our approach is based on phase correlation and our newly developed spatial-temporal co-occurrence Gaussian mixture models (STCOG)with the following steps: (i) a frame is divided into non-overlapping local regions; (ii) phase correlation is used to estimate the motion vectors between successive two frames for all corresponding local regions, and (iii) STCOG is used to model normal events and detect abnormal events if any deviation from the trained STCOG is found. Our proposed approach is also able to update the parameters incrementally and can be applied in complicated scenes. The proposed approach outperforms previous ones in terms of shorter training periods and lower computational complexity.