Semantic Information and Local Constraints for Parametric Parts in Interactive Virtual Construction

Authors:
Peter Biermann;Christian Fröhlich;Marc Latoschik;Ipke Wachsmuth
Affiliations:
Laboratory for Artificial Intelligence and Virtual Reality, Faculty of Technology, University of Bielefeld,;Laboratory for Artificial Intelligence and Virtual Reality, Faculty of Technology, University of Bielefeld,;Laboratory for Artificial Intelligence and Virtual Reality, Faculty of Technology, University of Bielefeld,;Laboratory for Artificial Intelligence and Virtual Reality, Faculty of Technology, University of Bielefeld,
Venue:
SG '07 Proceedings of the 8th international symposium on Smart Graphics
Year:
2007

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Abstract

This paper introduces a semantic representation for virtual proto typing in interactive virtual construction applications. The representation reflects semantic information about dynamic constraints to define objects' modification and construction behavior as well as knowledge structures supporting multimodal interaction utilizing speech and gesture. It is conveniently defined using XML-based markup for virtual building parts. The semantic information is processed during runtime in two ways: Constraint graphs are mapped to a generalized data-flow network and scene-graph. Interaction knowledge is accessed and matched during multimodal analysis.