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Fast Global Illumination Including Specular Effects

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Rendering Techniques 2000 (EGSR 2000)

Part of the book series: Eurographics ((EUROGRAPH))

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Abstract

Rapidly simulating global illumination, including diffuse and glossy light transport is a very difficult problem. Finite element or radiosity approaches can achieve interactive simulations for some classes of diffuse-only scenes, but more general methods are currently too slow and too noisy for interactive use.

We present a new method which seamlessly integrates particle tracing (for non-diffuse transport) into the gather step of hierarchical radiosity (for diffuse transport) to efficiently handle all types of light transport chains. Our integrated approach results in rapid, good visual quality solutions. This is achieved using a radiosity algorithm producing smooth, noise free simulation of diffuse light transfers, and an integrated particle trace for rapid, high quality specular reflections such as caustics.

Using our system, users can interactively visualize and manipulate small environments with global illumination including specular effects. Such general lighting effects can also be simulated for larger environments, albeit at a higher computational cost. Our system can also treat scenes which are lit mainly by indirect lighting, which is very hard using previous methods. With our method, smooth transition from fast, low quality to slower high quality solutions is possible.

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Author information

Authors and Affiliations

  1. iMAGIS-GRAVIR/IMAG-INRIA, iMAGIS is a joint research project of CNRS/INRIA/UJF/INPG, France

    Xavier Granier & George Drettakis

  2. Cornell Program of Computer Graphics, USA

    Bruce Walter

Authors
  1. Xavier Granier
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  2. George Drettakis
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  3. Bruce Walter
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Editor information

Editors and Affiliations

  1. Ecole Nationale Superieure des Mines de Saint Etienne, Saint Etienne, France

    Bernard Péroche PhD

  2. IBM TJ Watson Research Center, Hawthorne, NY, USA

    Holly Rushmeier PhD

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© 2000 Springer-Verlag Wien

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Granier, X., Drettakis, G., Walter, B. (2000). Fast Global Illumination Including Specular Effects. In: Péroche, B., Rushmeier, H. (eds) Rendering Techniques 2000. EGSR 2000. Eurographics. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6303-0_5

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  • DOI: https://doi.org/10.1007/978-3-7091-6303-0_5

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  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-83535-7

  • Online ISBN: 978-3-7091-6303-0

  • eBook Packages: Springer Book Archive

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