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用于高真实感口型合成的唇区肌肉模型

DOI: 10.11834/jig.20081128

Keywords: Waters肌肉模型,唇区肌肉模型,子运动,语音动画,线性肌

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Abstract:

为了快速合成真实感强的口型,在Waters肌肉模型的基础上,提出了一种新的唇区肌肉模型,弥补了Waters模型对于唇区肌肉的较复杂运动描述不完全的不足。该模型以面部解剖学为基础,通过面部运动的解剖学机理的研究,将唇区的整体运动表示为若干个子运动的线性组合。该模型可用于语音驱动的动画合成。此时,只需在说话人的唇区标定少数几个特征点,就可以获得一组唇区肌肉参数,进而建立相应的肌肉模型。借助于该模型,可以在唇区附近的线性肌的联合作用下,合成说话时的各种口型。实验结果表明,该肌肉模型不仅计算代价小,且合成的口型真实感较强,具有很强的实用性。

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