TY - CONF TI - Application of directional statistics to gradient-based lip contour extraction for speechreading AU - Gordan, Michaela AU - Kotropoulos, Constantine AU - Πήτας, Ιωάννης PY - 2001 SP - 223-242 PB - Εκδοτικός Οργανισμός Λιβάνη T2 - 8th Panhellenic Conference in Informatics Proceedings (Volume 2) ER -