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Conference Paper

Speech Synchronization for Physics-based Facial Animation

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Albrecht,  Irene
Computer Graphics, MPI for Informatics, Max Planck Society;

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Haber,  Jörg
Computer Graphics, MPI for Informatics, Max Planck Society;

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Seidel,  Hans-Peter
Computer Graphics, MPI for Informatics, Max Planck Society;

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Citation

Albrecht, I., Haber, J., & Seidel, H.-P. (2002). Speech Synchronization for Physics-based Facial Animation. In Proceedings of the 10th International Conferences in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG 2002) (pp. 9-16). Plzen, CZ: UNION Agency.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-3088-4
Abstract
We present a method for generating realistic speech-synchronized facial animations using a physics-based approach and support for coarticulation, i.e.\ the coloring of a speech segment by surrounding segments. We have implemented several extensions to the original coarticulation algorithm of Cohen and Massaro. The enhancements include an optimization to improve performance as well as special treatment of closure and release phase of bilabial stops and other phonemes. Furthermore, for phonemes that are shorter than the sampling intervals of the algorithm and might therefore be missed, additional key frames are created to ensure their impact onto the animation.