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03/28/2023
A Generalized Ray Formulation For Wave-Optics Rendering
Under ray-optical light transport, the classical ray serves as a local a...
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05/02/2022
A Position-Free Path Integral for Homogeneous Slabs and Multiple Scattering on Smith Microfacets
We consider the problem of multiple scattering on Smith microfacets. Thi...
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03/02/2021
An analytic BRDF for materials with spherical Lambertian scatterers
We present a new analytic BRDF for porous materials comprised of spheric...
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02/20/2021
An unbiased ray-marching transmittance estimator
We present an in-depth analysis of the sources of variance in state-of-t...
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09/16/2018
A Reciprocal Formulation of Nonexponential Radiative Transfer. 2: Monte Carlo Estimation and Diffusion Approximation
When lifting the assumption of spatially-independent scattering centers ...
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09/16/2018
A Reciprocal Formulation of Non-Exponential Radiative Transfer. 2: Monte Carlo Estimation and Diffusion Approximation
When lifting the classical assumption of independent scattering centers ...
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03/08/2018
A reciprocal formulation of non-exponential radiative transfer. 1: Sketch and motivation
Previous proposals to permit non-exponential free-path statistics in rad...
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03/08/2018
A reciprocal formulation of non-exponential radiative transfer with uncorrelated sources, detectors and boundaries. 1: Sketch and motivation
Recent proposals to permit non-exponential free-path statistics in radia...
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02/03/2018
Isotropic Scattering in a Flatland Half-Space
We solve the Milne, constant-source and albedo problems for isotropic sc...
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12/05/2013
Rigorous asymptotic and moment-preserving diffusion approximations for generalized linear Boltzmann transport in arbitrary dimension
We derive new diffusion solutions to the monoenergetic generalized linea...
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11/05/2013