A method and a device of facial expression generation with data fusion and a head-mounted display are disclosed. The method comprises obtaining facial information of a user from a plurality of data sources, wherein the plurality of data sources includes a real-time data detection and a data pre-configuration, mapping the facial information to facial expression parameters for simulating facial geometry model of the user, performing a fusion process according to the facial expression parameters, to generate fusing parameters associated to the facial expression parameters with weighting, and generating a facial expression of an avatar according to the fusing parameters.
METHOD AND DEVICE OF FACIAL EXPRESSION GENERATION WITH DATA FUSION AND HEAD-MOUNTED DISPLAY