@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} }