2. Afrigraph 2003: Cape Town, South Africa

James E. Gain, Alan Chalmers (Eds.): Proceedings of the 2nd International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa, Afrigraph 2003, Cape Town, South Africa, February 3-5, 2003. ACM 2003, ISBN 1-58113-643-9

Applications in VR

Cathryn Johns:
Spatial learning: cognitive mapping in abstract virtual environments. 7-16
Zayd Hendricks, Jakkaphan Tangkuampien, Katherine Malan:
Virtual galleries: is 3D better? 17-24

Natural phenomena

Thorsten Holtkämper:
Real-time gaseous phenomena: a phenomenological approach to interactive smoke and steam. 25-30
Javier Lluch, Emilio Camahort, Roberto Vivó:
Procedural multiresolution for plant and tree rendering. 31-38
Tomasz Zaniewski, Shaun Bangay:
Simulation and visualization of fire using extended lindenmayer systems. 39-48

Scaleable interfaces

Lynette van Zijl, Dean Barker:
South African Sign Language Machine Translation System. 49-52
David Nunez, Edwin H. Blake:
A direct comparison of presence levels in text-based and graphics-based virtual environments. 53-56
Volker Paelke, Christian Reimann, Waldemar Rosenbach:
A visualization design repository for mobile devices. 57-62

Geometry

Barry Steyn, James E. Gain:
Topology alteration for virtual sculpting using spatial deformation. 63-68
Daniel I. Azuma, Daniel N. Wood, Brian Curless, Tom Duchamp, David Salesin, Werner Stuetzle:
View-dependent refinement of multiresolution meshes with subdivision connectivity. 69-78

Rendering

Elvis Ko-Yung Jeng, Zhigang Xiang:
Forward area light map projection. 79-86
Daniel Meneveaux, Kadi Bouatouch, Gilles Subrenat, Philippe Blasi:
Efficient clustering and visibility calculation for global illumination. 87-94
Adrian Sharpe, Matthew Hampton, Shaun Nirenstein, James E. Gain, Edwin H. Blake:
Accelerating ray shooting through aggressive 5D visibility preprocessing. 95-100

User experiments

David Nunez, Edwin H. Blake:
Conceptual priming as a determinant of presence in virtual environments. 101-108
Jéan H. Greyling, André P. Calitz:
The development of a computerised multimedia tutorial system for a diverse student population. 109-116

Image-based methods

Holger Winnemöller, Shaun Bangay:
Rendering optimisations for stylised sketching. 117-122
Peter Longhurst, Patrick Ledda, Alan Chalmers:
Psychophysically based artistic techniques for increased perceived realism of virtual environments. 123-132
Jürgen Gausemeier, Jürgen Fründ, Carsten Matysczok, Beat Bruederlin, David Beier:
Development of a real time image based object recognition method for mobile AR-devices. 133-139

Multimedia

Wallace Chigona, Thomas Strothotte:
Improving readability of contextualized text explanations. 141-150
D. W. Viljoen, André P. Calitz, N. L. O. Cowley:
A 2-D MPEG-4 multimedia authoring tool. 151-160

Content creation

Deborah Patrick, Shaun Bangay:
A lightwave 3D plug-in for modeling long hair on virtual humans. 161-187
Adele Lobb, Shaun Bangay:
Realistic autonomous fish for virtual reality. 167-188
Zayd Hendricks, Gary Marsden, Edwin H. Blake:
A meta-authoring tool for specifying interactions in virtual reality environments. 171-180

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