@inproceedings{Chen2009a, author="Z. Chen and N. E. Pears and M. Freeman and J. Austin", title="Background Subtraction in Video Using Recursive Mixture Models, Spatio-Temporal Filtering and Shadow Removal", booktitle="Advances in Visual Computing : Lecture Notes in Computer Science (LNCS)", volume="5876", year="2009", pages="1141-1150" }