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Modeling Embodied Feedback with Virtual Humans

Journal article
Authors Stefan Kopp
Jens Allwood
Elisabeth Ahlsén
Thorstein Stockmeier
Published in Lecture Notes in Computer Science
Volume 4930
Pages 18-37
ISSN 0302-974
Publication year 2008
Published at Department of Linguistics
Centre of Interdisciplinary Research/Cognition/Information
Pages 18-37
Language en
Links dx.doi.org/10.1007/978-3-540-79037-...
https://gup.ub.gu.se/file/119364
Keywords Feedback, Virtual Humans, Embodied Conversational Agent
Subject categories Specific Languages

Abstract

In natural communication, both speakers and listeners are active most of the time. While a speaker contributes new information, a listener gives feedback by producing unobtrusive (usually short) vocal or non-vocal bodily expressions to indicate whether he/she is able and willing to communicate, perceive, and understand the information, and what emotions and attitudes are triggered by this information. The simulation of feedback behavior for artificial conversational agents poses big challenges such as the concurrent and integrated perception and production of multi-modal and multi-functional expressions. We present an approach on modeling feedback for and with virtual humans, based on an approach to study “embodied feedback” as a special case of a more general theoretical account of embodied communication. A realization of this approach with the virtual human Max is described and results are presented.

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