Intelligent expressions of emotions

Authors:
Magalie Ochs;Radosław Niewiadomski;Catherine Pelachaud;David Sadek
Affiliations:
Technology Center, France Telecom, R&D Division, France;Department of Mathematics and Computer Science, University of Perugia, Italy;LINC Lab., IUT of Montreuil, Université Paris VIII, France;Technology Center, France Telecom, R&D Division, France
Venue:
ACII'05 Proceedings of the First international conference on Affective Computing and Intelligent Interaction
Year:
2005

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Abstract

We propose an architecture of an embodied conversational agent that takes into account two aspects of emotions: the emotions triggered by an event (the felt emotions) and the expressed emotions (the displayed ones), which may differ in real life. In this paper, we present a formalization of emotion eliciting-events based on a model of the agent’s mental state composed of beliefs, choices, and uncertainties. This model enables to identify the emotional state of an agent at any time. We also introduce a computational model based on fuzzy logic that computes facial expressions of emotions blending. Finally, examples of facial expressions resulting from the implementation of our model are shown.