Conference 5–9 August 2012
Exhibition 7–9 August 2012
Los Angeles Convention Center

State of the Art in Photon-Density Estimation

Los Angeles Convention Center, Room 408B

Photon-density estimation techniques are a popular choice for simulating light transport in scenes with complicated geometry and materials. This class of algorithms can be used to accurately simulate inter-reflections, caustics, color bleeding, scattering in participating media, and subsurface scattering. Since its introduction, photon-density estimation has been significantly extended in computer graphics with the introduction of: specialized techniques that intelligently modify the positions or bandwidths to reduce visual error using a small number of photons, approaches that eliminate error completely in the limit, and methods that use higher-order samples and queries to reduce error in participating media.

This two-part course explains how to implement all these latest advances in photon-density estimation. It begins with a short introduction using classical photon mapping, but the remainder of the course provides new, hands-on explanations of the latest developments in this area by experts in each technique. Attendees gain concrete and practical understanding of the latest developments in photon-density-estimation techniques that have not been presented before in SIGGRAPH courses.

COURSE SCHEDULE

2 pm
Introduction
Jarosz

2:05 pm
Photon Mapping Basics
Jensen

2:20 pm
Photon Relaxation
Spencer

2:35 pm
Photon Differentials
Frisvad

2:50 pm
Break

2:55 pm
Progressive Photon Mapping: Basics
Hachisuka

3:05 pm
Progressive Photon Mapping: Extensions
Hachisuka

3:20 pm
Probabilistic PPM

3:35 pm
Break

3:40 pm
Participating Media Basics
Jarosz

3:50 pm
Progressive EM
Jakob

4:05 pm
From Photons to Beams
Jarosz

4:20 pm
Break

4:25 pm
Photon Beams in Tangled
Tangled Team

4:40 pm
Photon Mapping in PRMan
Christensen

4:55 pm
Progressive Photon Mapping in LuxRender
Bouchard

5:10 pm
Summary
Hachisuka

Level

Advanced

Prerequisites

Basic knowledge of light-transport simulation such as the rendering equation, radiometry, and Monte Carlo integration.

Intended Audience

Practitioners, researchers, and developers of rendering systems who are interested in the latest work in global illumination using photon-density estimation.

Instructor(s)

Toshiya Hachisuka
Aarhus Universitet

Wojciech Jarosz
Disney Research Zürich

Guillaume Bouchard
Université de Lyon

Per Christensen
Pixar Animation Studios

Jeppe Revall Frisvad
Danmarks Tekniske Universitet

Wenzel Jakob
Cornell University

Henrik Wann Jensen
University of California, San Diego

Jared M. Johnson
University of Central Florida

Michael Kaschalk
Walt Disney Animation Studios

Claude Knaus
University of Bern

Andrew Selle
Walt Disney Animation Studios

Ben Spencer
Swansea University