Facial Performative in a Conversational System

نویسندگان

  • Catherine Pelachaud
  • Isabella Poggi
چکیده

The problem we address here is how an animated face can produce the appropriate facial expression according to the performative of the communicative act being performed, while taking into account information on the specific interlocutor and the specific physical-social situation at hand. In our system, a communicative act is represented by two elements: a meaning which corresponds to a set of goals and beliefs that the Speaker has the purpose to transmit to the Addressee, and a signal, that is the nonverbal expression of that meaning. The former is represented by what we call “cognitive units”. These units are modulated by the given context and type of Addressee the Sender is dealing with. The system takes as input these cognitive units and computes the appropriate nonverbal behaviors the Sender is exhibiting.

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تاریخ انتشار 1998