State of the Art in Photon Density Estimation

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

  • Author: Hachisuka, Toshiya, Denmark

    Aarhus University, Denmark

  • Author: Jarosz, Wojciech, Switzerland

    Disney Research Zürich, Switzerland

  • Author: Bouchard, Guillaume, France

    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, United States

    Cornell University, United States

  • Author: Jensen, Henrik Wann , United States

    UC San Diego, United States

  • Author: Kaschalk, Michael

    Walt Disney Animation Studios

  • Author: Knaus, Claude, Switzerland

    University of Bern, Switzerland

  • Author: Selle, Andrew

    Walt Disney Animation Studios

  • Author: Spencer, Ben, United Kingdom

    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
TitleACM 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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