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Numerical Analysis of BRDFs for Inverse Rendering
Linköpings universitet, Institutionen för teknik och naturvetenskap, Visuell informationsteknologi och applikationer. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för teknik och naturvetenskap, Visuell informationsteknologi och applikationer. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0002-9466-9826
Linköpings universitet, Matematiska institutionen, Beräkningsvetenskap. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0003-2281-856X
2009 (engelsk)Rapport (Annet vitenskapelig)
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.

sted, utgiver, år, opplag, sider
Göteborg: Chalmers University of Technology , 2009. , s. 4
Serie
Chalmers University of Technology. Department of Architecture, ISSN 1650-6340 ; 2009:13
Emneord [en]
bidirectional reflection distribution function, inverse rendering, singular value decomposition
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-52357OAI: oai:DiVA.org:liu-52357DiVA, id: diva2:281726
Tilgjengelig fra: 2009-12-17 Laget: 2009-12-17 Sist oppdatert: 2018-01-12

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Löw, JoakimYnnerman, AndersEldén, Lars

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