Constraint-Based Facial Animation
Constraints
Emotionally Expressive Head and Body Movement During Gaze Shifts
IVA '07 Proceedings of the 7th international conference on Intelligent Virtual Agents
Expressing Complex Mental States Through Facial Expressions
ACII '07 Proceedings of the 2nd international conference on Affective Computing and Intelligent Interaction
Proceedings of the 16th International Conference on 3D Web Technology
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In this paper we present a system which allows a virtual character to display multimodal sequential expressions i.e. expressions that are composed of different signals partially ordered in time and belonging to different nonverbal communicative channels. It is composed of a language for the description of such expressions from real data and of an algorithm that uses this description to automatically generate emotional displays. We explain in detail the process of creating multimodal sequential expressions, from the annotation to the synthesis of the behavior.