Finding Similar Movements in Positional Data Streams

@inproceedings{Haase2013FindingSM,
  title={Finding Similar Movements in Positional Data Streams},
  author={Jens Haase and Ulf Brefeld},
  booktitle={MLSA@PKDD/ECML},
  year={2013}
}
In this paper, we study the problem of efficiently finding similar movements in positional data streams, given a query trajectory. Our approach is based on a translation-, rotation-, and scale-invariant representation of movements. Nearneighbours given a query trajectory are then efficiently computed using dynamic time warping and locality sensitive hashing. Empirically, we show the efficiency and accuracy of our approach on positional data streams recorded from a real soccer game. 

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