Recognition of Nonmanual Markers in American Sign Language (ASL) Using Non-Parametric Adaptive 2D-3D Face Tracking Dimitris Metaxas author Bo Liu author Fei Yang author Peng Yang author Nicholas Michael author Carol Neidle author 2012-05 text Proceedings of the Eighth International Conference on Language Resources and Evaluation (LREC’12) Nicoletta Calzolari editor Khalid Choukri editor Thierry Declerck editor Mehmet Uğur Doğan editor Bente Maegaard editor Joseph Mariani editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association (ELRA) Istanbul, Turkey conference publication metaxas-etal-2012-recognition https://aclanthology.org/L12-1123/ 2012-05 2414 2420