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  Exploiting Temporal Coherence in Final Gathering for Dynamic Scenes

Tawara, T., Myszkowski, K., & Seidel, H.-P. (2004). Exploiting Temporal Coherence in Final Gathering for Dynamic Scenes. In Computer Graphics International (CGI 2004) (pp. 110-119). Los Alamitos, USA: IEEE.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-2A93-5 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-2A94-3
Genre: Conference Paper

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 Creators:
Tawara, Takehiro1, Author           
Myszkowski, Karol1, 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              

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 Abstract: Efficient global illumination computation in dynamically changing environments is an important practical problem. In high-quality animation rendering costly "final gathering" technique is commonly used. We extend this technique into temporal domain by exploiting coherence between the subsequent frames. For this purpose we store previously computed incoming radiance samples and refresh them evenly in space and time using some aging criteria. The approach is based upon a two-pass photon mapping algorithm with irradiance cache, but it can be applied also in other gathering methods. The algorithm significantly reduces the cost of expensive indirect lighting computation and suppresses temporal aliasing with respect to the state of the art frame-by-frame rendering techniques.

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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: 231897
Other: Local-ID: C125675300671F7B-6EA03CEF62237DD0C1256E46006A8293-Tawara2004a
 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
 Creator(s):
Affiliations:
Publ. Info: Los Alamitos, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 110 - 119 Identifier: ISBN: 0-7695-2171-1