@incollection{KB2001,
  title={An improved adaptive background mixture model for real-time tracking with shadow detection},
  author={KaewTraKulPong, Pakorn and Bowden, Richard},
  booktitle={Video-Based Surveillance Systems},
  pages={135--144},
  year={2002},
  publisher={Springer}
}

@inproceedings{Gold2012,
  title={Visual tracking of human visitors under variable-lighting conditions for a responsive audio art installation},
  author={Godbehere, Andrew B and Matsukawa, Akihiro and Goldberg, Ken},
  booktitle={American Control Conference (ACC), 2012},
  pages={4305--4312},
  year={2012},
  organization={IEEE}
}
