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  Convolution Shadow Maps

Annen, T., Mertens, T., Bekaert, P., Seidel, H.-P., & Kautz, J. (2007). Convolution Shadow Maps. In D. Fellner, & S. Spencer (Eds.), Rendering Techniques 2007: [18th] Eurographics Symposium on Rendering (pp. 51-60). Aire-la-Ville, Switzerland: Eurographics.

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 Creators:
Annen, Thomas1, Author           
Mertens, Tom1, Author           
Bekaert, Philippe1, Author           
Seidel, Hans-Peter1, Author           
Kautz, Jan1, Author           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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 Abstract: We present \emph{Convolution Shadow Maps}, a novel shadow representation that affords efficient arbitrary linear filtering of shadows. Traditional shadow mapping is inherently non-linear w.r.t.\ the stored depth values due to the binary shadow test. We linearize the problem by approximating shadow maps as a weighted summation of basis terms. We demonstrate the usefulness of this representation and show that hardware-accelerated anti-aliasing techniques, such as tri-linear filtering, can be applied naturally to Convolution Shadow Maps. This approach can be implemented very efficiently in current generation graphics hardware yielding real-time frame rates.

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Language(s): eng - English
 Dates: 2008-03-122007
 Publication Status: Issued
 Pages: -
 Publishing info: Aire-la-Ville, Switzerland : Eurographics
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 356558
DOI: 10.2312/EGWR/EGSR07/051-060
Other: Local-ID: C12573CC004A8E26-534CA48BCE4C3DB8C12572E300558631-CSM:EGSR:2007
 Degree: -

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Title: Untitled Event
Place of Event: Grenoble, France
Start-/End Date: 2007-06-25 - 2007-06-27

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Title: Rendering Techniques 2007: [18th] Eurographics Symposium on Rendering
Source Genre: Proceedings
 Creator(s):
Fellner, Dieter, Editor
Spencer, Stephen, Editor
Affiliations:
-
Publ. Info: Aire-la-Ville, Switzerland : Eurographics
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 51 - 60 Identifier: ISBN: 978-3-905673-52-4