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Author, Editor(s)

Author(s):

Daubert, Katja
Heidrich, Wolfgang
Kautz, Jan
Dischler, Jean-Michel
Seidel, Hans-Peter

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Not MPG Author(s):

Heidrich, Wolfgang
Dischler, Jean-Michel

BibTeX cite key*:

Daubert:2003:ELT

Title

Title*:

Efficient Light Transport Using Precomputed Visibility

Journal

Journal Title*:

IEEE Computer Graphics and Applications

Journal's URL:


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for the article:


Language:

English

Publisher

Publisher's
Name:

IEEE

Publisher's URL:


Publisher's
Address:

Los Alamitos, USA

ISSN:


Vol, No, pp, Date

Volume*:

23

Number:

3

Publishing Date:

May 2003

Pages*:

28-37

Number of
VG Pages:

14

Page Start:


Page End:


Sequence Number:


DOI:


Note, Abstract, ©

Note:


(LaTeX) Abstract:

Visibility computations are the most time-consuming part of
global illumination algorithms. The cost is amplified by the
fact that quite often identical or similar information is
recomputed multiple times. In particular this is the case when
multiple images of the same scene are to be generated under
varying lighting conditions and/or viewpoints. But even for a
single image with static illumination, the computations could be
accelerated by reusing visibility information for many different
light paths.

In this paper we describe a general method of precomputing,
storing, and reusing visibility information for light transport
in a number of different types of scenes. In particular, we
consider general parametric surfaces, triangle meshes without a
global parameterization, and participating media.

We also reorder the light transport in such a way that the
visibility information is accessed in structured memory access
patterns. This yields a method that is well suited for SIMD-style
parallelization of the light transport, and can efficiently be
implemented both in software and using graphics hardware. We
finally demonstrate applications of the method to highly
efficient precomputation of BRDFs, bidirectional texture
functions, light fields, as well as near-interactive volume
lighting.

URL for the Abstract:


Categories,
Keywords:

Illumination, Ray Tracing, Monte Carlo Techniques, Frame Buffer Algorithms, Texture Mapping, Reflectance \& Shading Models, Volume Rendering

HyperLinks / References / URLs:


Copyright Message:


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Access Level:

Intranet

Correlation

MPG Unit:

Max-Planck-Institut für Informatik



MPG Subunit:

Computer Graphics Group

Appearance:

MPII WWW Server, MPII FTP Server, MPG publications list, working group publication list, Fachbeirat, VG Wort


BibTeX Entry:

@ARTICLE{Daubert:2003:ELT,
AUTHOR = {Daubert, Katja and Heidrich, Wolfgang and Kautz, Jan and Dischler, Jean-Michel and Seidel, Hans-Peter},
TITLE = {Efficient Light Transport Using Precomputed Visibility},
JOURNAL = {IEEE Computer Graphics and Applications},
PUBLISHER = {IEEE},
YEAR = {2003},
NUMBER = {3},
VOLUME = {23},
PAGES = {28--37},
ADDRESS = {Los Alamitos, USA},
MONTH = {May},
}


Entry last modified by Christine Kiesel, 03/12/2010
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Editor(s)
Katja Daubert
Created
09/10/2002 11:23:52 AM
Revisions
7.
6.
5.
4.
3.
Editor(s)
Christine Kiesel
Christine Kiesel
Thomas Annen
Jan Kautz
Jan Kautz
Edit Dates
24.05.2005 16:03:59
30.06.2004 11:30:41
21.08.2003 11:13:12
05/20/2003 02:02:52 PM
03/19/2003 05:26:07 PM