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  Spatio-Temporal Photon Density Estimation Using Bilateral Filtering

Weber, M., Milch, M., Myszkowski, K., Dmitriev, K., Rokita, P., & Seidel, H.-P. (2004). Spatio-Temporal Photon Density Estimation Using Bilateral Filtering. In Computer Graphics International (CGI 2004) (pp. 120-127). Los Alamitos, USA: IEEE.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-2B40-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-2B41-4
Genre: Conference Paper

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 Creators:
Weber, Markus1, Author           
Milch, Marco1, Author           
Myszkowski, Karol1, Author           
Dmitriev, Kirill2, Author
Rokita, Przemyslaw1, Author           
Seidel, Hans-Peter1, Author           
Cohen-Or, Daniel, Editor
Jain, Lakhmi, Editor
Magnenat-Thalmann, Nadia, Editor
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2Max Planck Society, ou_persistent13              

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 Abstract: Photon tracing and density estimation are well established techniques in global illumination computation and rendering of high-quality animation sequences. Using traditional density estimation techniques it is difficult to remove stochastic noise inherent for photon-based methods while avoiding overblurring lighting details. In this paper we investigate the use of bilateral filtering for lighting reconstruction based on the local density of photon hit points. Bilateral filtering is applied in spatio-temporal domain and provides control over the level-of-details in reconstructed lighting. All changes of lighting below this level are treated as stochastic noise and are suppressed. Bilateral filtering proves to be efficient in preserving sharp features in lighting which is in particular important for high-quality caustic reconstruction. Also, flickering between subsequent animation frames is substantially reduced due to extending bilateral filtering into temporal domain.

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Language(s): eng - English
 Dates: 2005-04-272004
 Publication Status: Issued
 Pages: -
 Publishing info: Los Alamitos, USA : IEEE
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 231920
Other: Local-ID: C125675300671F7B-E7C820E451C4356AC1256E46006AB0DF-Weber2004
 Degree: -

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Title: Untitled Event
Place of Event: Crete, Greece
Start-/End Date: 2004-06-16

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Title: Computer Graphics International (CGI 2004)
Source Genre: Proceedings
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Affiliations:
Publ. Info: Los Alamitos, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 120 - 127 Identifier: ISBN: 0-7695-2171-1