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We propose a method for exaggerating facial expressions derived from exaggeration mappings that transform facial motions into exaggerated motions. The exaggeration mapping of facial motions is defined by non-negative matrix factorization. Three-dimensional facial expressions are simulated using the exag- gerating rate as an input value to convey the degree of variation. Experiments show the validity of the exaggeration mapping and facial expression simulations. 相似文献
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