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  Interactive System for Dynamic Scene Lighting using Captured Video Environment Maps

Havran, V., Smyk, M., Krawczyk, G., Myszkowski, K., & Seidel, H.-P. (2005). Interactive System for Dynamic Scene Lighting using Captured Video Environment Maps. In O. Deussen, A. Keller, K. Bala, P. Dutré, D. W. Fellner, & S. N. Spencer (Eds.), Rendering Techniques 2005: Eurographics Symposium on Rendering (pp. 31-42, 311). Aire-la-Ville, Switzerland: Eurographics Association.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-26DB-0 Version Permalink: https://hdl.handle.net/21.11116/0000-000F-4E3C-8
Genre: Conference Paper

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 Creators:
Havran, Vlastimil1, Author           
Smyk, Miloslaw1, Author           
Krawczyk, Grzegorz1, Author           
Myszkowski, Karol1, Author                 
Seidel, Hans-Peter1, Author                 
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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Free keywords: -
 Abstract: We present an interactive system for fully dynamic scene lighting using
captured high dynamic range (HDR) video environment maps. The key component of
our system is an algorithm for efficient decomposition of HDR video environment
map captured over hemisphere into a set of representative directional light
sources, which can be used for the direct lighting computation with shadows
using graphics hardware. The resulting lights exhibit good temporal coherence
and their number can be adaptively changed to keep a constant framerate while
good spatial distribution (stratification) properties are maintained. We can
handle a large number of light sources with shadows using a novel technique
which reduces the cost of BRDF-based shading and visibility computations. We
demonstrate the use of our system in a mixed reality application in which real
and synthetic objects are illuminated by consistent lighting at interactive
framerates.

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Language(s): eng - English
 Dates: 2006-04-252005
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 279016
Other: Local-ID: C125675300671F7B-C3468DABE0F8D837C12570B30047ED74-Havran2005egsrEM
BibTex Citekey: Havran-et-al_EGSR05.2
DOI: 10.2312/EGWR/EGSR05/031-042
 Degree: -

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Title: 16th Eurographics Symposium on Rendering
Place of Event: Konstanz, Germany
Start-/End Date: 2005-06-29 - 2005-07-01

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Title: Rendering Techniques 2005: Eurographics Symposium on Rendering
  Abbreviation : EGSR 2005
Source Genre: Proceedings
 Creator(s):
Deussen, Oliver1, Editor
Keller, Alexander1, Editor
Bala, Kavita1, Editor
Dutré, Philip1, Editor
Fellner, Dieter W.1, Editor
Spencer, Stephen N.1, Editor
Affiliations:
1 External Organizations, ou_persistent22            
Publ. Info: Aire-la-Ville, Switzerland : Eurographics Association
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 31 - 42, 311 Identifier: ISBN: 3-905673-23-1