PT Chapter AU Ivan Huerta Dani Rowe Mikhail Mozerov Jordi Gonzalez TI Improving Background Subtraction based on a Casuistry of Colour-Motion Segmentation Problems BT 3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4478:475–482 PY 2007 ER