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Authors: Karsten Schwenk 1 ; Arjan Kuijper 2 and Ulrich Bockholt 2

Affiliations: 1 Fraunhofer Institute for Computer Graphics Research (IGD), Germany ; 2 Technische Universitaet Darmstadt and Fraunhofer IGD, Germany

Keyword(s): Spectral rendering, Real-time rendering, BRDF-Modeling, Tensor decomposition.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Lighting and Appearance ; Real-Time Rendering ; Rendering

Abstract: Spectral rendering takes the full visible spectrum into account when calculating light-surface interaction and can overcome the well-known deficiencies of rendering with tristimulus color models. In this paper we show how to represent wavelength-dependent BRDFs as factored tensors. We use this representation for realtime spectral rendering on modern graphics hardware. Strong data compression and fast rendering times are achieved for mostly diffuse and moderately glossy isotropic surfaces. The method can handle high-resolution tabulated BRDFs, including non-reciprocal ones, which makes it well-suited for measured data. We analyze our approach numerically and visually. One area of application for our research is virtual design applications that require high color fidelity at interactive frame rates.

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Paper citation in several formats:
Schwenk, K.; Kuijper, A. and Bockholt, U. (2010). MODELING WAVELENGTH-DEPENDENT BRDFS AS FACTORED TENSORS FOR REAL-TIME SPECTRAL RENDERING. In Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP; ISBN 978-989-674-026-9; ISSN 2184-4321, SciTePress, pages 165-172. DOI: 10.5220/0002820301650172

@conference{grapp10,
author={Karsten Schwenk. and Arjan Kuijper. and Ulrich Bockholt.},
title={MODELING WAVELENGTH-DEPENDENT BRDFS AS FACTORED TENSORS FOR REAL-TIME SPECTRAL RENDERING},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP},
year={2010},
pages={165-172},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002820301650172},
isbn={978-989-674-026-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP
TI - MODELING WAVELENGTH-DEPENDENT BRDFS AS FACTORED TENSORS FOR REAL-TIME SPECTRAL RENDERING
SN - 978-989-674-026-9
IS - 2184-4321
AU - Schwenk, K.
AU - Kuijper, A.
AU - Bockholt, U.
PY - 2010
SP - 165
EP - 172
DO - 10.5220/0002820301650172
PB - SciTePress

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