Le rôle fondamental du système d'interaction dans une installation de réalité virtuelle

The aim of this paper is to assess the basic role of the interaction system within a virtual reality application. Starting with an introduction to our sense of virtual reality, we put the stress on the interaction between the human operator and the virtual world. After an overview of different kinds of interaction which shows the diversity and the richness of this function, our approach consists of considering the interaction as a genuine information processing system which communicates and cooperates with the human and the virtual world.