This paper presents a rheology-based approach to animate realistic face model. The dynamic and biorheological characteristics of the force member (muscles) and stressed member (face) are considered. The stressed face can be modeled as viscoelastic bodies with the Hooke bodies and Newton bodies connected in a composite series-parallel manner. Then, the stress-strain relationship is derived, and the constitutive equations established. Using these constitutive equations, the face model can be animated with the force generated by muscles. Experimental results show that this method can realistically simulate the mechanical properties and motion characteristics of human face, and performance of this method is satisfactory.
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Project supported by the National Natural Science Foundation of China (Grant No.60772124), the Shanghai Leading Academic Discipline Project (Grant No.S30108), and the Outstanding Young Teachers in University Foundation of Shanghai (Grant No.B37010708003)
Communicated by FANG Yong
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Zeng, D., Pei, L. Rheology-based facial animation realistic face model. J. Shanghai Univ.(Engl. Ed.) 13, 423 (2009). https://doi.org/10.1007/s11741-009-0601-1
- facial mechanical model
- viscoelastic model
- stress-strain relationship
- Hooke body
- Newton body