Automatic Generation of Expressive Gaze in Virtual Animated Characters: From Artists Craft to a Behavioral Animation Model

Authors:
Rossana B. Queiroz;Leandro M. Barros;Soraia R. Musse
Affiliations:
Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo, RS, Brazil;Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo, RS, Brazil;Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
Venue:
IVA '07 Proceedings of the 7th international conference on Intelligent Virtual Agents
Year:
2007

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Eyes alive

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Abstract

We present a model for automatic generation of expressive gaze in virtual agents. Our main focus is the eye behavior associated to expressiveness. Our approach is to collect data from animated Computer Graphics films, and codify such observations into an animation framework. The main contribution is the modeling aspects of an animation system, calibrated with empirical observations in order to generate realistic eyes motion. Results show that this approach generates convincing animations that improve the empathy of virtual agents.