Facial Animation and Affective Human–Computer Interaction

Abstract

SynonymsFacial hand gestures; Facial animation in MPEG-4DefinitionAffective Human–Computer Interaction (HCI) systems utilize multimodal information about the emotional state of users.Affective Human–Computer InteractionEven though everyday human-to-human communication is thought to be based on vocal and lexical content, people seem to base both expressive and cognitive capabilities on facial expressions and body gestures. Related research in both the analysis and synthesis fields is based on trying to recreate the way the human mind works while making an effort to recognize such emotion. This inherently multimodal process means that in order to achieve robust results, one should take into account features like speech, face and hand gestures or body pose, as well as the interaction between them. In the case of speech, features can come from both linguistic and paralinguistic analysis; in the case of facial and body gestures, messages ...