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A Constraint-Based Approach to Visual Speech for a Mexican-Spanish Talking Head
2008
International Journal of Computer Games Technology
A common approach to produce visual speech is to interpolate the parameters describing a sequence of mouth shapes, known as visemes, where a viseme corresponds to a phoneme in an utterance. The interpolation process must consider the issue of context-dependent shape, or coarticulation, in order to produce realistic-looking speech. We describe an approach to such pose-based interpolation that deals with coarticulation using a constraint-based technique. This is demonstrated using a
doi:10.1155/2008/412056
fatcat:3jdadvq24rd3phqcfqjecknzri