Discovering an Event Taxonomy from Video using Qualitative Spatio-temporal Graphs

@inproceedings{Sridhar2010DiscoveringAE,
  title={Discovering an Event Taxonomy from Video using Qualitative Spatio-temporal Graphs},
  author={Muralikrishna Sridhar and Anthony G. Cohn and David C. Hogg},
  booktitle={ECAI},
  year={2010}
}
This work proposes a graph mining based approach to mine a taxonomy of events from activities for complex videos which are represented in terms of qualitative spatio-temporal relationships. A Hidden Markov Model to obtain stable qualitative spatial relations from noisy measurements is introduced. The effectiveness of the approach is demonstrated through experimental results for a complex aircraft turnaround apron scenario. 

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