State of the Art in Photon Density Estimation

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  • Author: Hachisuka, Toshiya

    Aarhus University, Denmark

  • Author: Jarosz, Wojciech

    Disney Research Zürich, Switzerland

  • Author: Bouchard, Guillaume

    Universite Claude Bernard Lyon 1, CNRS, France

  • Author: Christensen, Per

    Pixar

  • Author: Frisvad, Jeppe Revall

    Image Analysis and Computer Graphics, Department of Informatics and Mathematical Modeling, Technical University of Denmark, Richard Petersens Plads, 2800, Lyngby, Denmark

  • Author: Jakob, Wenzel

    Cornell University, United States

  • Author: Jensen, Henrik Wann

    UC San Diego, United States

  • Author: Kaschalk, Michael

    Walt Disney Animation Studios

  • Author: Knaus, Claude

    University of Bern, Switzerland

  • Author: Selle, Andrew

    Walt Disney Animation Studios

  • Author: Spencer, Ben

    Swansea University, United Kingdom

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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.
Original languageEnglish
Title of host publicationACM SIGGRAPH 2012 Courses
Number of pages469
PublisherAssociation for Computing Machinery
Publication date2012
PagesArticle no. 6
ISBN (print)978-1-4503-1678-1
DOIs
StatePublished

Conference

Conference39th International Conference and Exhibition Computer Graphics and Interactive Techniques SIGGRAPH 2012
CountryUnited States
CityLos Angeles, CA
Period05/08/1209/08/12
Internet addresshttp://s2012.siggraph.org/
CitationsWeb of Science® Times Cited: No match on DOI
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