Layered fuzzy facial expression generation of virtual agent

To realize intelligent and comprehensive facial expression generation of virtual agent, a novel model of layered fuzzy facial expression generation is proposed. In this model, social, emotional and physiological layers contribute to the fuzzy facial expression generation. Then, a layered fuzzy facial expression generation system is founded, where influences of the three layers and expression personality are considered for intelligent decision of facial expression generation based on fuzzy theory. A novel layered fuzzy facial expression generation language is also developed for conveniently controlling facial expression generation of virtual agent. The system is evaluated by subjects and compared with other systems, showing that it is efficient for intelligent facial expression generation of virtual agent.