TY - CONF AU - Grinstein, Georges AU - Plaisant, Catherine AU - Laskowski, Sharon AU - O'Connell, Theresa AU - Scholtz, Jean AU - Whiting, Mark C2 - IEEE Second International Conference on Biometrics: Theory, Applications and Systems (BTAS 08), Columbus, OH, US DA - 2008-08-29 00:08:00 LA - en PB - IEEE Second International Conference on Biometrics: Theory, Applications and Systems (BTAS 08), Columbus, OH, US PY - 2008 TI - VAST 2008 Challenge: Introducing Mini-Challenges ER -