@conference {214, title = {A vision system enabling all-embracing 360-degree awareness for activity recognition}, booktitle = {First Workshop on Context Awareness in Smart Environments: Background, Achievements and Challenges in 18th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2009)}, year = {2009}, address = {Toyama, Japan}, author = {Ester Martinez-Martin and Angel P. del Pobil} }