research-article

Precomputed radiance transfer for X3D based mixed reality applications

Authors:

Tobias Franke and

Yvonne JungAuthors Info & Claims

Web3D '08: Proceedings of the 13th international symposium on 3D web technology

August 2008

Pages 7 - 10

https://doi.org/10.1145/1394209.1394213

Published: 09 August 2008 Publication History

Abstract

We present a lightweight framework composed of two extensions to introduce precomputed radiance transfer (PRT) to X3D. Depending on the basis function, PRT is used to simulate shading, complex light transfer and effects like subsurface scattering and caustics in real time by projecting incident light and transfer functions into frequency space, which allows the solution of the integration of the rendering equation through a simple dot product. Light transfer from incident to transferred radiance thus becomes a matter of solving dot products of coefficient vectors, which can be easily evaluated on the GPU. In this paper, we identify the minimal set of components needed for an X3D application to use spherical harmonic based PRT, and discuss how further enhancements to PRT can be implemented, like new basis functions and other features.

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Cited By

Casas Cambra LFauconneau MKosek MMclister KMitchell K(2019)Enhanced Shadow Retargeting with Light-Source Estimation Using Flat Fresnel LensesComputers10.3390/computers80200298:2(29)Online publication date: 2-Apr-2019
https://doi.org/10.3390/computers8020029
Franke TFellner DMouton CPosada JJung YCabral M(2012)A scalable framework for image-based material representationsProceedings of the 17th International Conference on 3D Web Technology10.1145/2338714.2338727(83-91)Online publication date: 4-Aug-2012
https://dl.acm.org/doi/10.1145/2338714.2338727
Franke TKahn SOlbrich MJung YRoyan JPreda MBoubekeur TPolys N(2011)Enhancing realism of mixed reality applications through real-time depth-imaging devices in X3DProceedings of the 16th International Conference on 3D Web Technology10.1145/2010425.2010439(71-79)Online publication date: 20-Jun-2011
https://dl.acm.org/doi/10.1145/2010425.2010439

Index Terms

Precomputed radiance transfer for X3D based mixed reality applications
1. Computing methodologies
  1. Computer graphics
    1. Image manipulation
      1. Texturing
2. Human-centered computing
  1. Human computer interaction (HCI)
    1. Interaction techniques

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cover image ACM Conferences

Web3D '08: Proceedings of the 13th international symposium on 3D web technology

August 2008

127 pages

ISBN:9781605582139

DOI:10.1145/1394209

Program Chairs:
Dieter Fellner
TU Darmstadt, Fraunhofer IGD
,
Steven Collins
Trinity College Dublin

Copyright © 2008 ACM.

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SIGGRAPH: ACM Special Interest Group on Computer Graphics and Interactive Techniques

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 09 August 2008

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Web3D '08

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SIGGRAPH

Web3D '08: 13th International Conference on 3D Web Technology

August 9 - 10, 2008

California, Los Angeles

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Web3D '08 Paper Acceptance Rate 9 of 37 submissions, 24%;

Overall Acceptance Rate 27 of 71 submissions, 38%

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WEB3D '24

Sponsor:
siggraph

The 29th International ACM Conference on 3D Web Technology

September 25 - 27, 2024

Guimarães , Portugal

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Cited By

Casas Cambra LFauconneau MKosek MMclister KMitchell K(2019)Enhanced Shadow Retargeting with Light-Source Estimation Using Flat Fresnel LensesComputers10.3390/computers80200298:2(29)Online publication date: 2-Apr-2019
https://doi.org/10.3390/computers8020029
Franke TFellner DMouton CPosada JJung YCabral M(2012)A scalable framework for image-based material representationsProceedings of the 17th International Conference on 3D Web Technology10.1145/2338714.2338727(83-91)Online publication date: 4-Aug-2012
https://dl.acm.org/doi/10.1145/2338714.2338727
Franke TKahn SOlbrich MJung YRoyan JPreda MBoubekeur TPolys N(2011)Enhancing realism of mixed reality applications through real-time depth-imaging devices in X3DProceedings of the 16th International Conference on 3D Web Technology10.1145/2010425.2010439(71-79)Online publication date: 20-Jun-2011
https://dl.acm.org/doi/10.1145/2010425.2010439

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