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System architecture of a mixed reality framework

: Seibert, Helmut; Dähne, Patrick

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Journal of Virtual Reality and Broadcasting. Online journal 3 (2006), No.7, 13 pp.
ISSN: 1860-2037
Journal Article, Electronic Publication
Fraunhofer IGD ()
mixed reality; augmented reality (AR); distributed system; data-flow management

In this paper the software architecture of a framework which simplifies the development of applications in the area of Virtual and Augmented Reality is presented. It is based on VRML/X3D to enable rendering of audio-visual information. We extended our VRML rendering system by a device management system that is based on the concept of a data-flow graph. The aim of the system is to create Mixed Reality (MR) applications simply by plugging together small prefabricated software components, instead of compiling monolithic C++ applications. The flexibility and the advantages of the presented framework are explained on the basis of an exemplary implementation of a classic Augmented Reality application and its extension to a collaborative remote expert scenario.