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The facial animation engine: toward a high-level interface for the design of MPEG-4 compliant animated faces

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2 Author(s)
Lavagetto, F. ; Dept. of Commun. Comput. & Syst. Sci., Genoa Univ., Italy ; Pockaj, R.

We propose a method for implementing a high-level interface for the synthesis and animation of animated virtual faces that is in full compliance with MPEG-4 specifications. This method allows us to implement the simple facial object profile and part of the calibration facial object profile. In fact, starting from a facial wireframe and from a set of configuration files, the developed system is capable of automatically generating the animation rules suited for model animation driven by a stream of facial animation parameters. If the calibration parameters (feature points and texture) are available, the system is able to exploit this information for suitably modifying the geometry of the wireframe and for performing its animation by means of calibrated rules computed ex novo on the adapted somatics of the model. Evidence of the achievable performance is reported at the end of this paper by means of figures showing the capability of the system to reshape its geometry according to the decoded MPEG-4 facial calibration parameters and its effectiveness in performing facial expressions

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:9 ,  Issue: 2 )