Parameter-space ReSTIR for differentiable and inverse rendering

W Chang, V Sivaram, D Nowrouzezahrai… - ACM SIGGRAPH 2023 …, 2023 - dl.acm.org
Differentiable rendering is frequently used in gradient descent-based inverse rendering
pipelines to solve for scene parameters–such as reflectance or lighting properties–from …

Area ReSTIR: Resampling for Real-Time Defocus and Antialiasing

S Zhang, D Lin, M Kettunen, C Yuksel… - ACM Transactions on …, 2024 - dl.acm.org
Recent advancements in spatiotemporal reservoir resampling (ReSTIR) leverage sample
reuse from neighbors to efficiently evaluate the path integral. Like rasterization, ReSTIR …

Online Neural Denoising with Cross-Regression for Interactive Rendering

H Choi, S Hong, I Ha, N Kang, B Moon - ACM Transactions on Graphics …, 2024 - dl.acm.org
Generating a rendered image sequence through Monte Carlo ray tracing is an appealing
option when one aims to accurately simulate various lighting effects. Unfortunately …

Efficient spatial resampling using the pdf similarity

Y Tokuyoshi - Proceedings of the ACM on Computer Graphics and …, 2023 - dl.acm.org
In real-time rendering, spatiotemporal reservoir resampling (ReSTIR) is a powerful
technique to increase the number of candidate samples for resampled importance sampling …

ReSTIR Subsurface Scattering for Real-Time Path Tracing

M Werner, V Schüßler, C Dachsbacher - Proceedings of the ACM on …, 2024 - dl.acm.org
Subsurface scattering is an important visual cue and in real-time rendering it is often
approximated using screen-space algorithms. Path tracing with the diffusion approximation …

Markov Chain Mixture Models for Real‐Time Direct Illumination

A Dittebrandt, V Schüßler, J Hanika… - Computer Graphics …, 2023 - Wiley Online Library
We present a novel technique to efficiently render complex direct illumination in real‐time. It
is based on a spatio‐temporal randomized mixture model of von Mises‐Fisher (vMF) …

Conditional Resampled Importance Sampling and ReSTIR

M Kettunen, D Lin, R Ramamoorthi… - SIGGRAPH Asia 2023 …, 2023 - dl.acm.org
Recent work on generalized resampled importance sampling (GRIS) enables importance-
sampled Monte Carlo integration with random variable weights replacing the usual division …

Doppler Time-of-Flight Rendering

J Kim, W Jarosz, I Gkioulekas, A Pediredla - arXiv preprint arXiv …, 2023 - arxiv.org
We introduce Doppler time-of-flight (D-ToF) rendering, an extension of ToF rendering for
dynamic scenes, with applications in simulating D-ToF cameras. D-ToF cameras use high …

Blue Noise Distributed MCMC Decorrelation of ReSTIR

O Fickel - 2023 - studenttheses.uu.nl
Spatiotemporal resampling (ReSTIR)[Bitterli et al., 2020; Lin et al., 2021] is a popular new
ray tracing technique. Unfortunately it can suffer from correlation artifacts if left unchecked …

A study of parameter trade-offs with Re-STIR for low-cost rendering and high-quality reflections

Y Wang - 2024 - odr.chalmers.se
It is the aim of this thesis to conduct a thorough analysis related to the effects of parameters
on render efficiency or image quality of Path Tracing algorithm known as ReSTIR. In this …