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Rheology-based facial animation realistic face model |
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| Authors: | Dan Zeng Li Pei |
| Institution: | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China |
| Abstract: | 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. |
| Keywords: | facial mechanical model viscoelastic model stress-strain relationship Hooke body Newton body |
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