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  Perceptual Influence of Approximate Visibility in Indirect Illumination

Yu, I., Cox, A., Kim, M., Ritschel, T., Grosch, T., Dachsbacher, C., et al. (2009). Perceptual Influence of Approximate Visibility in Indirect Illumination. In Symposium on Applied Perception in Graphics and Visualization (APGV). New York: ACM.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-19C8-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-19C9-0
Genre: Conference Paper

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 Creators:
Yu, Insu, Author
Cox, Andrew, Author
Kim, Min, Author
Ritschel, Tobias1, Author           
Grosch, Thorsten1, Author           
Dachsbacher, Carsten, Author
Kautz, Jan1, Author           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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 Abstract: In this paper we evaluate the use of approximate visibility for efficient global illumination. Traditionally, accurate visibility is used in light transport. However, the indirect illumination we perceive on a daily basis is rarely of high frequency nature, as the most significant aspect of light transport in real-world scenes is diffuse, and thus displays a smooth gradation. This raises the question of whether accurate visibility is perceptually necessary in this case. To answer this question, we conduct a psychophysical study on the perceptual influence of approximate visibility on indirect illumination. This study reveals that accurate visibility is not required and that certain approximations may be introduced.

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Language(s): eng - English
 Dates: 2009-09-202009
 Publication Status: Issued
 Pages: -
 Publishing info: New York : ACM
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 520479
Other: Local-ID: C125675300671F7B-F91E193421D5F541C12576370066C957-Yu2009
 Degree: -

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Title: Untitled Event
Place of Event: Chania Crete, Greece
Start-/End Date: 2009-09-30 - 2009-10-02

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Title: Symposium on Applied Perception in Graphics and Visualization (APGV)
Source Genre: Proceedings
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Publ. Info: New York : ACM
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -