Nikos Katsarakis Fotios Talantzis Aristodemos Pnevmatikakis Lazaros Polymenakos The AIT 3D Audio / Visual Person Tracker for CLEAR 2007. 35-46 2007 CLEAR http://dx.doi.org/10.1007/978-3-540-68585-2_2 conf/clear/2007 db/conf/clear/clear2007.html#KatsarakisTPP07