Team work in distributed collaborative virtual environments

Today’s technology and advances in networking and telecommunications stimulate a change in the way everyday business is carried out, making it a globally distributed process, in which communication and collaboration of geographically dispersed groups is of vital importance. Virtual Environments are adapting accordingly, by providing not only a better man-machine interface, but also by facilitating human-to-human interaction and collaboration over distance. Therefore, new challenges are introduced in terms of distribution and interaction in Virtual Environments. It is not only a question of solving the technical problems of gathering and transmitting multimedia data streams with sufficient quality and speed, but also a question of addressing the specific needs of human communication and collaboration. The vision of Collaborative Virtual Environments (CVE) is to provide distributed, collaborative teams with a virtual space where they can meet as if face-to-face, co-exist and collaborate while sharing and manipulating in real-time the virtual data of interest. The objective of this thesis is to provide the Virtual Environments research community with a thorough investigation of distributed, collaborative interaction between geographically dispersed teams using projection based Collaborative Virtual Environments.Thesis (DPhil (Computer Science))--University of Pretoria, 2005.Computer Scienceunrestricte

Design and evaluation of team work in distributed collaborative virtual environments

We present a framework for the design and evaluation of distributed, collaborative 3D interaction focussing on projection based systems. We discuss the issues of collaborative 3D interaction using audio/video for face-to-face communication and the differences in using rear projection based Virtual Environments. Further, we explore how the use of video/audio, input device representations and other disturbance factors typical of projection-based virtual environments affect co-presence, co-working and co-knowledge in distributed CVEs. We present results from co-presence and co-working evaluation sessions of about 60 users of various profiles. An extensive statistical, group and variation group analysis of the results is carried out. The findings and the resulting design guidelines are presented in this paper in respect to the above factors

Naturwissenschaftliche Untersuchungen zum Elfenbein von Sidi Harraz / Cap Sim und Mogador (Essaouira, Marokko)

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Naturwissenschaftliche Untersuchungen zum Elfenbein von Sidi Harraz / Cap Sim und Mogador (Essaouira, Marokko)

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