SIGGRAPH 2004 - The 31st international conference on computer graphics and interactive techniques
Conferenece Exhibition Call For Participation Presenters Media Registration spacer

Thursday, 12 August
10:30 am - 12:15 pm
Room 515A
Session Chair: Baining Guo, Microsoft Research Asia

Spherical Harmonic Gradients
Using spherical harmonic gradients for efficient extrapolation of incident radiance enables real-time close-range illumination using only a single sample for the incident lighting.

Thomas Annen
Max-Planck-Institut für Informatik
tannen (at)

Frédo Durand
Jan Kautz
Massachusetts Institute of Technology

Hans-Peter Seidel
Max-Planck-Institut für Informatik
Non-Linear Kernel-Based Precomputed Light Transport
A real-time method for rendering static objects from arbitrary views under distant all-frequency lighting. The method can render reflections, interreflections, and subsurface scattering using precomputed light transport.

Paul Green
Massachusetts Institute of Technology
green (at)

Frédo Durand
Massachusetts Institute of Technology

Henrik Wann Jensen
University of California, San Diego

Jan Kautz
Wojciech Matusik
Massachusetts Institute of Technology
Bidirectional Importance Sampling for Illumination From Environment Maps
Introducing bidirectional importance sampling, a method for rendering that samples visibility according to an importance derived from the product of BRDF and environment-map illumination.

David Burke
The University of British Columbia
dburke (at)

Abhijeet Ghosh
Wolfgang Heidrich
The University of British Columbia
Wrangling Lighting and Rendering Data at Disney Feature Animation
A user-friendly system for wrangling scene data and relationships, which serves as the foundation for Disney's internal lighting package, Lumiere, currently being used in production on "Chicken Little."

Mark A. McLaughlin
Walt Disney Feature Animation
mark.mclaughlin (at)

Joseph M. Lohmar
Ernest J. Petti
Chris Springfield
Lewis Wakeland
Walt Disney Feature Animation

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