SIGGRAPH 2004 - The 31st international conference on computer graphics and interactive techniques
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Global Illumination
Wednesday, 11 August
1:45 - 3:30 pm
Room 502A
Session Chair: Juan Buhler, PDI/DreamWorks

Radiance Caching and Local Geometry Correction
A new method that computes indirect illumination by approximating the energy from distant surfaces and nearby surfaces separately.

Okan Arikan
University of California, Berkeley
okan (at)

David A. Forsyth
James F. O'Brien
University of California, Berkeley
Image-Based Lighting Using a Piecewise-Constant Importance Function
An unbiased Monte Carlo scheme for incorporating an image-based light source into a global illumination renderer.

Jonathan M. Cohen
Rhythm & Hues Studios
jcohen (at)
Inelastic Scattering in Participating Media Using Curved Photon Mapping
Lucifer is a global illumination environment capable of handling inhomogeneous, participating media while taking into account multiple inelastic scattering. Several mechanisms of the human visual system are also computed.

Diego Gutierrez
Universidad de Zaragoza
diegog (at)

Oscar Anson
Adolfo Muñoz
Francisco J. Seron
Universidad de Zaragoza
Ray Maps for Global Illumination
A data structure for representing light transport. Whole-ray sequences for proximity queries are stored. Application: density estimation including conservative update for moving objects.

Vlastimil Havran
Max-Planck-Institut für Informatik
havran (at)

Jiri Bittner
Technische Universität Wien

Hans-Peter Seidel
Max-Planck-Institut für Informatik

sketches committee
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Conference 8-12 August, Exhibition 10-12 August.  In Los Angeles, CA