@InProceedings{CantonCLEAR2007Tracking, author = {Cristian Canton Ferrer and Jordi Salvador and Josep R. Casas}, title = {Multi-Person Tracking Strategies Based on Voxel Analysis}, booktitle = {Classification of Events, Activities and Relationships Evaluation and Workshop (CLEAR)}, publisher = {Springer}, series = {Lecture Notes on Computer Science}, volume = {4625}, year = {2007}, pages = {91--103} }