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Communicating withAvatar Bodies
Francesca BarrientosComputer Science
UC Berkeley
8 July 1999HCC Research Retreat
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Avatar worlds
ComicChatOz
blaxxun
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Nonverbal behaviorsGestureProxemicsPosture Facial
expressionGazeContextAppearance...
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Previous approaches
Expression selection
Automaticanimation
NaturalLanguageInference
(Nivi waves to Harry.)
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Beyond chat
Interfaces for controlling animation of nonverbal behaviors• verbal communication
through audio• continuous control
Understand how user movements translate onto avatar bodies
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Importance of synchrony
Part of meaning of gesture comes from its co-ocurrence with speech
Rhythm, flow, stroke, force, shape…
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Kinematic mapping
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Evaluation
Depends on taskEase of use Expressive satisfactionLevel of interaction engagementEmergent communicative
behaviors
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Explore design space
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Network issues
Synchronizing control and audio data
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Summary
Avatars allow communication using surrogate bodies
Gesture and speech are coexpressive
Design tool: virtual prototypes for PRoP design