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  4. Simulation of Individual Spontaneous Reactive Behavior
 
conference paper

Simulation of Individual Spontaneous Reactive Behavior

Garcia-Rojas, Alejandra  
•
Gutierrez, Mario  
•
Thalmann, Daniel  
2008
Proceedings of the Seventh International Conference on Autonomous Agents and Multiagent Systems
International Conference on Autonomous Agents and Multiagent Systems (AAMAS)

The context of this work is the search for realism and believability of Virtual Humans. Our contribution to achieve this goal is to enable Virtual Humans (VH) to react to spontaneous events in virtual environments (VE). In order to reflect the individuality of each VH, these reactions have to be expressive and unique. In this paper we present firstly a model of reaction based on personality traits. The model was defined using statistical analysis of real people reacting to unexpected events. We also consider that the emotional state is involved in the modulation of reactions, thus we integrate a model of emotion update. Secondly, we present a semantic-based methodology to compose reactive animation sequences using inverse kinematics (IK) and key frame (KF) interpolation animation techniques. Finally, we present an application that demonstrates how Virtual Humans can produce diferent movements as reaction to unexpected stimuli, depending on their personality traits and emotional state.

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Type
conference paper
Author(s)
Garcia-Rojas, Alejandra  
Gutierrez, Mario  
Thalmann, Daniel  
Date Issued

2008

Published in
Proceedings of the Seventh International Conference on Autonomous Agents and Multiagent Systems
Start page

143

End page

150

Subjects

virtual humans animation

•

semantics

•

reactive behavior

•

expressive animation

URL

URL

http://www.ifaamas.org
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
VRLAB  
Event nameEvent placeEvent date
International Conference on Autonomous Agents and Multiagent Systems (AAMAS)

Estoril, Portugal

May 12-16, 2008

Available on Infoscience
June 17, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/26290
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