@conference {, title = {Tracking multiple agents in an intelligent space with probabilistic algorithms and a camera ring}, booktitle = {IEEE International Symposium on Industrial Electronics}, year = {2010}, month = {07/2010}, pages = {2871-2876}, author = {Marta Marron and Daniel Pizarro and Alvaro Marcos and Raquel Jalvo and Garcia, Juan Carlos and Manuel Mazo} }