Most of the existing 3D engines are overwhelmingly complex and do not integrate support for virtual characters. We have developed a teaching oriented 3D engine with support for su...
Evaluating the usability of an application is a crucial activity in systems development projects. It is often done collaboratively, involving groups of current or future users, us...
Gert-Jan de Vreede, Ann L. Fruhling, Anita Chakrap...
As multimedia becomes an integral part of collaborative systems, we must understand how to design such systems to support users’ rich set of existing interaction skills, rather ...
This paper proposes a novel tabletop display system for natural communication and flexible information sharing. The proposed system is specifically designed for integration of 2...
Deictic reference – pointing at things during conversation – is ubiquitous in human communication, and should also be an important tool in distributed collaborative virtual en...