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Expressiveness generation for virtual characters, based on the principles of suspense progression and narrative conflict

: Braun, N.; Rieger, T.

Bieber, G.; Kirste, T. ; Fraunhofer-Institut für Graphische Datenverarbeitung -IGD-, Darmstadt:
IMC Workshop 2003. Proceedings : Assistance, mobility, applications
Stuttgart: Fraunhofer IRB Verlag, 2003
ISBN: 3-8167-6319-7
ISBN: 978-3-8167-6319-2
International Workshop on Mobile Computing (IMC) <4, 2003, Rostock>
Conference Paper
Fraunhofer IGD ()
interactive storytelling; virtual narrator; emotion expression

A method to provide a Virtual Character with explicit expressiveness information is described. Using a actor-action-based story generation system, we derive suspense- and conflict-information of a certain story. This suspense- and conflictinformation, so called Suspense Progression and Narrative Conflict, are used to enhance Speech Acts with content-related expressiveness information to so called Narrative Extended Speech Acts (NESA). The expressiveness information within the NESAs is used to control the facial expression and gesture expressiveness of a Virtual Character. The Virtual Character gestures are of sign language quality, the Virtual Character lip-movements are of lip-reading quality. The architecture of the Virtual Character system is scalable to the needs of several platforms, as it is agent based and therefore separable between server and mobile client systems.