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- ArticleOctober 2003
Design and evaluation of team work in distributed collaborative virtual environments
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 231–238https://doi.org/10.1145/1008653.1008693We 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 ...
- ArticleOctober 2003
Visual attention based information culling for Distributed Virtual Environments
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 213–222https://doi.org/10.1145/1008653.1008691The central goal in Distributed Virtual Environments (DVEs) is to provide an experience of the shared world that is perceptually plausible for the immersed user. This has to be achieved in the face of network issues such as bandwidth limitations and ...
- ArticleOctober 2003
The CAT for efficient 2D and 3D interaction as an alternative to mouse adaptations
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 225–112https://doi.org/10.1145/1008653.1008689We present the first usable prototype of the CAT (Control Action Table). The CAT is a 6 degree of freedom freestanding device, mixing isotonic and isometric sensing modes. It allows a group of users to interact with virtual environments by means of 3D ...
- ArticleOctober 2003
The optical tweezers: multiple-point interaction technique
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 184–187https://doi.org/10.1145/1008653.1008685The proposed multiple-point interaction technique realizes direct interaction and control in a virtual environment and presentation. The device for interaction is constructed on the basis of the infrared (IR) laser which is invisible for a human eye and ...
- ArticleOctober 2003
Mimicking video: real-time morphable 3D model fitting
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 132–139https://doi.org/10.1145/1008653.1008677This paper presents a new automatic scheme for tracking a 3D non-rigid object surface such as a human face in a real-time video sequence. We introduce a coordinate-oriented error minimization method for estimating the tracking parameters, whereas we ...
- ArticleOctober 2003
Information-rich virtual environments: theory, tools, and research agenda
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 81–90https://doi.org/10.1145/1008653.1008669Virtual environments (VEs) allow users to experience and interact with a rich sensory environment, but most virtual worlds contain only sensory information similar to that which we experience in the physical world. Information-rich virtual environments (...
- ArticleOctober 2003
A comparative study on user performance in the Virtual Dressmaker application
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 73–80https://doi.org/10.1145/1008653.1008668We report on a user study, investigating the efficiency of user interaction in a Virtual Reality application compared to 3D desktop applications.The Virtual Dressmaker is a Virtual Reality application for virtual cloth design, assembly, and simulation ...
- ArticleOctober 2003
A real-time shadow approach for an augmented reality application using shadow volumes
VRST '03: Proceedings of the ACM symposium on Virtual reality software and technologyPages 56–65https://doi.org/10.1145/1008653.1008665Shadows add a level of realism to a rendered image. Moreover, they are used as visual clues to determine spacial relationships and real-time shadows will gain importance in current real-time computer graphics applications for this reason. Twenty-five ...
