Monte Carlo methods for volumetric light transport simulation

J Novák, I Georgiev, J Hanika… - Computer graphics …, 2018 - Wiley Online Library
The wide adoption of path‐tracing algorithms in high‐end realistic rendering has stimulated
many diverse research initiatives. In this paper we present a coherent survey of methods that …

Nerf‐tex: Neural reflectance field textures

H Baatz, J Granskog, M Papas… - Computer graphics …, 2022 - Wiley Online Library
We investigate the use of neural fields for modelling diverse mesoscale structures, such as
fur, fabric and grass. Instead of using classical graphics primitives to model the structure, we …

Deep scattering: Rendering atmospheric clouds with radiance-predicting neural networks

S Kallweit, T Müller, B Mcwilliams, M Gross… - ACM Transactions on …, 2017 - dl.acm.org
We present a technique for efficiently synthesizing images of atmospheric clouds using a
combination of Monte Carlo integration and neural networks. The intricacies of Lorenz-Mie …

Fast volume rendering with spatiotemporal reservoir resampling

D Lin, C Wyman, C Yuksel - ACM Transactions on Graphics (TOG), 2021 - dl.acm.org
Volume rendering under complex, dynamic lighting is challenging, especially if targeting
real-time. To address this challenge, we extend a recent direct illumination sampling …

A survey on rendering homogeneous participating media

W Wu, B Wang, LQ Yan - Computational Visual Media, 2022 - Springer
Participating media are frequent in real-world scenes, whether they contain milk, fruit juice,
oil, or muddy water in a river or the ocean. Incoming light interacts with these participating …

A bidirectional formulation for Walk on Spheres

Y Qi, D Seyb, B Bitterli, W Jarosz - Computer Graphics Forum, 2022 - Wiley Online Library
Numerically solving partial differential equations (PDEs) is central to many applications in
computer graphics and scientific modeling. Conventional methods for solving PDEs often …

[PDF][PDF] Photon surfaces for robust, unbiased volumetric density estimation

X Deng, S Jiao, B Bitterli, W Jarosz - ACM Transactions on Graphics, 2019 - par.nsf.gov
46: 2• Xi Deng, Shaojie Jiao, Benedikt Bitterli, and Wojciech Jarosz 1) suffer from
singularities, and 2) require at least two bounces in the medium past any surface, relegating …

A null-scattering path integral formulation of light transport

B Miller, I Georgiev, W Jarosz - ACM Transactions on Graphics (TOG), 2019 - dl.acm.org
Unbiased rendering of general, heterogeneous participating media currently requires using
null-collision approaches for estimating transmittance and generating free-flight distances. A …

[HTML][HTML] Unifying radiative transfer models in computer graphics and remote sensing, Part II: A differentiable, polarimetric forward model and validation

K Salesin, KD Knobelspiesse, J Chowdhary… - Journal of Quantitative …, 2024 - Elsevier
The constellation of Earth-observing satellites continuously collects measurements of
scattered radiance, which must be transformed into geophysical parameters in order to …

Volume path guiding based on zero-variance random walk theory

S Herholz, Y Zhao, O Elek, D Nowrouzezahrai… - ACM Transactions on …, 2019 - dl.acm.org
The efficiency of Monte Carlo methods, commonly used to render participating media, is
directly linked to the manner in which random sampling decisions are made during path …