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Lifelike animated agents present a challenging ongoing agenda for research. Such agent metaphors will only be widely applicable to on-line applications when there is a standardised way to map underlying engines with the visual presentation of the agents. This paper delineates functions and specifications of two markup languages for scripting the animation… (More)
Lausanne, EPFL 2004 Remerciements iii Remerciements Pour le précieux soutien qu'elles m'ont apporté, chacune à leur manière, pendant ces enrichissantes années d'études, de travail et parfois aussi de doutes, je souhaite remercier chaleureusement les personnes suivantes: Mon directeur de thèse, le Professeur Daniel Thalmann, qui m'a accordé sa confiance… (More)
Using virtual humans as participant embodiment increases the collaboration in Networked Virtual Environments, as it provides a direct relationship between how we interact with the real world and the virtual world representation. Nonverbal communication is an important aspect in real-life collaboration, therefore the means allowing the users to replicate it… (More)
Synchronization of speech, facial expressions and body gestures is one of the most critical problems in realistic avatar animation in virtual environments. In this paper, we address this problem by proposing a new high-level animation language to describe avatar animation. The Avatar Markup Language (AML), based on XML, encapsulates the Text to Speech,… (More)
The creation of virtual humans capable of behaving and interacting realistically with each other requires the development of autonomous believable social agents. Standard goal oriented approaches are not well suited to it because they don't take into account important characteristics identified by the social sciences. This paper tackles the issue of a… (More)
This paper introduces four sociological concepts which we argue are important for the creation of autonomous social agents capable of behaving and interacting realistically with each other as virtual humans. A list of functional requirements based on these concepts is then proposed.
The MPEG-4 standard specifies a set of low-level animation parameters for body animation , but does not provide any high-level functionality for the control of avatars or embodied agents. In this paper , we discuss the required features for a script format allowing designers to easily specify complex bodily behaviors , and describe a system and its… (More)