A Physically-Based Modeling and Simulation Framework for Facial Animation
Xi'an, Shanxi(2009)
Abstract
Realistic facial animation is important in many graphics applications, like animated feature films and computer games, to enrich human computer interaction. In this paper, we propose a physically-based facial animation approach employing knowledge from the anatomy and biomechanics of human facial muscles. First, the 3D face mesh is generated automatically by commercial software and the facial skin is represented by a nonlinear mass-spring system which simulates realistic elastic dynamics of human dermis. Then, a structure skull is attached to fit the face mesh. A set of anatomically consistent facial muscles are incorporated to model the forces deforming the face mesh. Finally, we extend Waters' muscle model to improve the combination of multiple muscle actions and to generate realistic expression. Experiments show that our method is superior to the traditional geometric model and can achieve comparative results with the commercial software FaceGen.
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Key words
face mesh,nonlinear mass-spring system,human dermis,human facial muscles biomechanic,3d face mesh,simulation framework,facial skin,human computer interaction,physically based facial animation modeling,face mesh deformation,physically-based modeling,anatomically consistent facial muscle,commercial software,computer animation,facial animation,realistic facial animation,physically-based facial animation approach,facegen commercial software,realistic elastic dynamics,water muscle model,simulation,muscle model,muscle,modelling,skin,human facial muscle,computational modeling,force,mass spring system,face,geometric model
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