Decimation of human face model for real-time animation in intelligent multimedia systems

Authors:
Soo-Kyun Kim;Syung-Og An;Min Hong;Doo-Soon Park;Shin-Jin Kang
Affiliations:
Department of Game Engineering, Paichai University, Daejeon, South Korea;Department of Game Engineering, Paichai University, Daejeon, South Korea;Division of Computer Science & Engineering, Soonchunhyang University, Asan, South Korea;Division of Computer Science & Engineering, Soonchunhyang University, Asan, South Korea;School of Games, Hongik University, Seoul, South Korea
Venue:
Multimedia Tools and Applications
Year:
2010

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Abstract

Animating a complex human face model in real-time is not a trivial task in intelligent multimedia systems for next generation environments. This paper proposes a generation scheme of a simplified model for real-time human face animation in intelligent multimedia systems. Previous work mainly focused on the geometric features when generating a simplified human face model. Such methods may lose the critical feature points for animating human faces. The proposed method can find those important feature points and can generate the feature-preserved low-level models busing our new quadrics. The new quadrics consist of basic error metrics and feature edge quadrics. The quality of facial animation with a lower-level model is as good as that of a computationally expansive original model. In this paper, we prove that our decimated facial model is effective in facial animation using a well-known expression-retargeting technique.