Automatic identification of head movements in video-recorded conversations: can words help? Patrizia Paggio author Costanza Navarretta author Bart Jongejan author 2017-04 text Proceedings of the Sixth Workshop on Vision and Language Anya Belz editor Erkut Erdem editor Katerina Pastra editor Krystian Mikolajczyk editor Association for Computational Linguistics Valencia, Spain conference publication paggio-etal-2017-automatic 10.18653/v1/W17-2006 https://aclanthology.org/W17-2006/ 2017-04 40 42