HMM-Based Abnormal Behaviour Detection Using Heterogeneous Sensor Network

@inproceedings{Aliakbarpour2011HMMBasedAB,
  title={HMM-Based Abnormal Behaviour Detection Using Heterogeneous Sensor Network},
  author={Hadi Aliakbarpour and Kamrad Khoshhal and Jo{\~a}o Quintas and Kamel Mekhnacha and Julien Ros and Maria Andersson and J. Dias},
  booktitle={DoCEIS},
  year={2011}
}
This paper proposes a HMM-based approach for detecting abnormal situations in some simulated ATM (Automated Teller Machine) scenarios, by using a network of heterogeneous sensors. The applied sensor network comprises of cameras and microphone arrays. The idea is to use such a sensor network in order to detect the normality or abnormality of the scenes in terms of whether a robbery is happening or not. The normal or abnormal event detection is performed in two stages. Firstly, a set of low-level… 

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