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Numerical Analysis of BRDFs for Inverse Rendering
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9466-9826
Linköping University, Department of Mathematics, Scientific Computing. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-2281-856X
2009 (English)Report (Other academic)
Abstract [en]

The properties of materials which are present in a scene determine how geometry reflects and distributes light in the scene. This text presents work-in-progress on numerical analysis of bidirectional reflection distribution functions (BRDF) corresponding to various materials, with a focus on inverse rendering. An analysis of these functions is vital for the understanding of the behaviour of reflected light under different lighting conditions, and in the application of inverse rendering, it is important in order to determine what quality one can expect from recovered data. We discuss the singular value decompositions of a few materials, their effect on the ill-posedness of the inverse problem related to the reflectance equation and how regularization affects the solution of the problem.

Place, publisher, year, edition, pages
Göteborg: Chalmers University of Technology , 2009. , 4 p.
Series
Chalmers University of Technology. Department of Architecture, ISSN 1650-6340 ; 2009:13
Keyword [en]
bidirectional reflection distribution function, inverse rendering, singular value decomposition
National Category
Computer Vision and Robotics (Autonomous Systems) Computational Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-52357OAI: oai:DiVA.org:liu-52357DiVA: diva2:281726
Available from: 2009-12-17 Created: 2009-12-17 Last updated: 2015-09-22

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Löw, JoakimYnnerman, AndersEldén, Lars

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  • sv-SE
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