2. The method of transferring facial expressions from a subject to a computer-generated character set forth in claim 1 wherein synchronizing lip movement of the second animation model with lip movement from the first animation model comprises: determining a visible percentage of teeth for the first animation model; determining a visible percentage of teeth for the second animation model; and determining if the visible percentage of teeth for the second animation model matches the visible percentage of teeth for the first animation model, and if not, adjusting the visible percentage of teeth in the second animation model to more closely match the percentage in the first animation model.
2. The method of transferring facial expressions from a subject to a computer-generated character set forth in claim 1 wherein synchronizing lip movement of the second animation model with lip movement from the first animation model comprises: determining a visible percentage of teeth for the first animation model; determining a visible percentage of teeth for the second animation model; and determining if the visible percentage of teeth for the second animation model matches the visible percentage of teeth for the first animation model, and if not, adjusting the visible percentage of teeth in the second animation model to more closely match the percentage in the first animation model. 3. The method of transferring facial expressions from a subject to a computer-generated character set forth in claim 2 wherein adjusting the visible percentage of teeth in the second animation model to more closely match the percentage in the first animation model includes moving either or both upper and lower lip shapes of the second animation model.