REPORT smith:rr06-37/IDIAP 2D Multi-Person Tracking: A Comparative Study in AMI Meetings Smith, Kevin C. Schreiber, Sascha Beran, Vítezslav Potúcek, Igor Rigoll, Gerhard Gatica-Perez, Daniel EXTERNAL https://publications.idiap.ch/attachments/reports/2006/smith-idiap-rr-06-37.pdf PUBLIC Idiap-RR-37-2006 2006 IDIAP To appear in