A Practical and Controllable Hair and Fur Model for Production Path Tracing
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Date
2016
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association and John Wiley & Sons Ltd.
Abstract
We present an energy-conserving fiber shading model for hair and fur that is efficient enough for path tracing. Our model adopts a near-field formulation to avoid the expensive integral across the fiber, accounts for all high order internal reflection events with a single lobe, and proposes a novel, closed-form distribution for azimuthal roughness based on the logistic distribution. Additionally, we derive, through simulation, a parameterization that relates intuitive user controls such as multiple-scattering albedo and isotropic cylinder roughness to the underlying physical parameters.
Description
@article{10.1111:cgf.12830,
journal = {Computer Graphics Forum},
title = {{A Practical and Controllable Hair and Fur Model for Production Path Tracing}},
author = {Chiang, Matt Jen-Yuan and Bitterli, Benedikt and Tappan, Chuck and Burley, Brent},
year = {2016},
publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/cgf.12830}
}