ReSTIR GI: Path resampling for real‐time path tracing

Y Ouyang, S Liu, M Kettunen, M Pharr… - Computer Graphics …, 2021 - Wiley Online Library
Even with the advent of hardware‐accelerated ray tracing in modern GPUs, only a small
number of rays can be traced at each pixel in real‐time applications. This presents a …

A survey of temporal antialiasing techniques

L Yang, S Liu, M Salvi - Computer graphics forum, 2020 - Wiley Online Library
Temporal Antialiasing (TAA), formally defined as temporally‐amortized supersampling, is
the most widely used antialiasing technique in today's real‐time renderers and game …

Neural temporal adaptive sampling and denoising

J Hasselgren, J Munkberg, M Salvi… - Computer Graphics …, 2020 - Wiley Online Library
Despite recent advances in Monte Carlo path tracing at interactive rates, denoised image
sequences generated with few samples per‐pixel often yield temporally unstable results and …

Real‐time monte carlo denoising with weight sharing kernel prediction network

H Fan, R Wang, Y Huo, H Bao - Computer Graphics Forum, 2021 - Wiley Online Library
Abstract Real‐time Monte Carlo denoising aims at removing severe noise under low
samples per pixel (spp) in a strict time budget. Recently, kernel‐prediction methods use a …

Temporally Reliable Motion Vectors for Real‐time Ray Tracing

Z Zeng, S Liu, J Yang, L Wang… - Computer Graphics …, 2021 - Wiley Online Library
Real‐time ray tracing (RTRT) is being pervasively applied. The key to RTRT is a reliable
denoising scheme that reconstructs clean images from significantly undersampled noisy …

Offline deep importance sampling for Monte Carlo path tracing

S Bako, M Meyer, T DeRose… - Computer Graphics Forum, 2019 - Wiley Online Library
Although modern path tracers are successfully being applied to many rendering
applications, there is considerable interest to push them towards ever‐decreasing sampling …

Distributing Monte Carlo errors as a blue noise in screen space by permuting pixel seeds between frames

E Heitz, L Belcour - Computer Graphics Forum, 2019 - Wiley Online Library
Recent work has shown that distributing Monte Carlo errors as a blue noise in screen space
improves the perceptual quality of rendered images. However, obtaining such distributions …

Real‐time Denoising Using BRDF Pre‐integration Factorization

T Zhuang, P Shen, B Wang, L Liu - Computer Graphics Forum, 2021 - Wiley Online Library
Path tracing has been used for real‐time renderings, thanks to the powerful GPU device.
Unfortunately, path tracing produces noisy rendered results, thus, filtering or denoising is …

Adaptive temporal sampling for volumetric path tracing of medical data

J Martschinke, S Hartnagel, B Keinert… - Computer Graphics …, 2019 - Wiley Online Library
Monte‐Carlo path tracing techniques can generate stunning visualizations of medical
volumetric data. In a clinical context, such renderings turned out to be valuable for …

Real‐time Deep Radiance Reconstruction from Imperfect Caches

T Huang, Y Song, J Guo, C Tao, Z Zong… - Computer Graphics …, 2022 - Wiley Online Library
Real‐time global illumination is a highly desirable yet challenging task in computer
graphics. Existing works well solving this problem are mostly based on some kind of …