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We built a 3D anatomically and biomechanically accurate physiological tongue model for use in visual speech synthesis. For the anatomical modeling part, the tongue and its muscles are constructed based on accurate medical data. Due to their complexity, muscles geometry and fiber arrangement are specified by a proposed interactive muscle marking method. For the biomechanical modeling part, a nonlinear,...
Closed-form analytical formulas for a tooth of paraboloidal shape under the orthodontic force are presented. These formulas are based on both the approximation of strains according to the displacement of the tooth and the tooth equilibrium of the thin surrounding periodontal membrane. The proposed formulas are capable of determining the most important quantities involved the distribution of strain...
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