Detailed expression transformation based on MPEG-4
YU Ming-hui · Journal of Changchun University of Technology · 2008
The principle of facial animation based in MPEG-4 is introduced,and a method to construct FaceDefTables is presented here.Firstly some feature points is selected according to the FDP(Facial Definition Parameter),then the facial animation is driven by using FAP(Facial Animation Parameter).Finally the facial animation with detailed expressions is realized by combing the PERI (Partial Expression Ratio Image).