Article | Proceedings of SIGRAD 2013; Visual Computing; June 13-14; 2013; Norrköping; Sweden | A Comparison of Volumetric Illumination Methods by Considering their Underlying Mathematical Models
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Title:
A Comparison of Volumetric Illumination Methods by Considering their Underlying Mathematical Models
Author:
Neda Rostamzadeh: Scientific Visualization Group, Link√∂ping University, Sweden Daniel Jönsson: Scientific Visualization Group, Link√∂ping University, Sweden Timo Ropinski: Scientific Visualization Group, Link√∂ping University, Sweden
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Full text (pdf)
Year:
2013
Conference:
Proceedings of SIGRAD 2013; Visual Computing; June 13-14; 2013; Norrköping; Sweden
Issue:
094
Article no.:
005
Pages:
35-40
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2013-11-04
ISBN:
978-91-7519-455-4
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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In this paper; we study and analyze seven state-of-the-art volumetric illumination methods; in order to determine their differences with respect to the underlying theoretical mathematical models and numerical problems potentially arising during implementation. The chosen models are half angle slicing; directional occlusion shading; multidirectional occlusion shading; shadow volume propagation; spherical harmonic lighting; dynamic ambient occlusion and progressive photon mapping. We put these models into a unified mathematical framework; which allows them to be compared among each other as well as to the global volume rendering equation. We will discuss the mathematical differences of the compared models and describe the numerical implications of the simplifications made by each method.

Proceedings of SIGRAD 2013; Visual Computing; June 13-14; 2013; Norrköping; Sweden

Author:
Neda Rostamzadeh, Daniel Jönsson, Timo Ropinski
Title:
A Comparison of Volumetric Illumination Methods by Considering their Underlying Mathematical Models
References:

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Proceedings of SIGRAD 2013; Visual Computing; June 13-14; 2013; Norrköping; Sweden

Author:
Neda Rostamzadeh, Daniel Jönsson, Timo Ropinski
Title:
A Comparison of Volumetric Illumination Methods by Considering their Underlying Mathematical Models
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Last updated: 2017-02-21