MODELING WAVELENGTH-DEPENDENT BRDFS AS FACTORED TENSORS FOR REAL-TIME SPECTRAL RENDERING

Karsten Schwenk, Arjan Kuijper, Ulrich Bockholt

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 Harvard Style

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 - Volume 1: GRAPP, (VISIGRAPP 2010) ISBN 978-989-674-026-9, pages 165-172. DOI: 10.5220/0002820301650172


in Bibtex Style

@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 - Volume 1: GRAPP, (VISIGRAPP 2010)},
year={2010},
pages={165-172},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002820301650172},
isbn={978-989-674-026-9},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010)
TI - MODELING WAVELENGTH-DEPENDENT BRDFS AS FACTORED TENSORS FOR REAL-TIME SPECTRAL RENDERING
SN - 978-989-674-026-9
AU - Schwenk K.
AU - Kuijper A.
AU - Bockholt U.
PY - 2010
SP - 165
EP - 172
DO - 10.5220/0002820301650172