The interaction ontology model: supporting the virtual director orchestrating real-time group interaction

Authors:
Rene Kaiser;Claudia Wagner;Martin Hoeffernig;Harald Mayer
Affiliations:
Institute of Information and Communication Technologies, Joanneum Research, Graz, Austria;Institute of Information and Communication Technologies, Joanneum Research, Graz, Austria;Institute of Information and Communication Technologies, Joanneum Research, Graz, Austria;Institute of Information and Communication Technologies, Joanneum Research, Graz, Austria
Venue:
MMM'11 Proceedings of the 17th international conference on Advances in multimedia modeling - Volume Part II
Year:
2011

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Abstract

In a system that enables real-time communication between groups of people via audio/video streams, a component called orchestration intelligently selects appropriate camera views for each participant individually, enabling larger setups and enhancing the social interaction itself. The Interaction Ontology (iO) receives low-level cue input from the audiovisual analysis component and informs the camera view switching component about the social interaction on a higher semantic level. The iO is a software component consisting of both a static ontology model and dynamic event processing logic. In this paper, we elaborate on the design rationale of the model and the intended dynamic behaviour of low-level cue processing. Finally we discuss performance and scalability issues, as well as alternative approaches to low-level event processing in such environments.