Publications

Concurrent Binary Trees for Large-Scale Game Components

Anis Benyoub, Jonathan Dupuy

To appear in HPG 2024
paper, code

Non-Orthogonal Reduction for Rendering Fluorescent Materials in Non-Spectral Engines

Alban Fichet, Laurent Belcour, Pascal Barla

To appear in Computer Graphics Forum
paper, supp. pdf, code

Best paper #2 Best presentation

Transforming a Non-Differentiable Rasterizer into a Differentiable One with Stochastic Gradient Estimation

Thomas Deliot, Eric Heitz, Laurent Belcour

Published in I3D 2024
paper, video, code

One-to-Many Spectral Upsampling of Reflectances and Transmittances

Laurent Belcour, Pascal Barla, Gael Guennebaud

Published in EGSR 2023
paper

Best paper

Real-Time Rendering of Glinty Appearances using Distributed Binomial Laws on Anisotropic Grids

Thomas Deliot, Laurent Belcour

Published in HPG 2023
paper, video (yt), code, demo, demo (teaser)

Best paper #2

Sampling Visible GGX Normals with Spherical Caps

Jonathan Dupuy, Anis Benyoub

Published in HPG 2023
paper, code

Iterative 𝛼-(de)Blending: a Minimalist Deterministic Diffusion Model

Eric Heitz, Laurent Belcour, Thomas Chambon

Published in SIGGRAPH 2023 conference track
paper, code, 2D tutorial, MNIST tutorial

The Energy Distance as a Replacement for the Reconstruction Loss in Conditional GANs

Eric Heitz, Thomas Chambon

Published in JCGT 2023
paper

Efficient Storage and Importance Sampling for Fluorescent Reflectance

Qingqin Hua, Vojtěch Tázlar, Alban Fichet, Alexander Wilkie

Published in Computer Graphics Forum
paper, supp. pdf

Bisection Based Triangulation of Catmull Clark Subdivision

Jonathan Dupuy, Thomas Deliot

Published in ACM SIGGRAPH Courses 2022
webpage, short paper, video, code

Htex: Per-Halfedge Texturing for Abritrary Mesh Topologies

Wilhem Barbier, Jonathan Dupuy

Published in HPG 2022
webpage, paper

A Data-Driven Paradigm for Precomputed Radiance Transfer

Laurent Belcour, Thomas Deliot, Wilhem Barbier, Cyril Soler

Published in HPG 2022
paper, notebook

A Halfedge Refinement Rule for Parallel Loop Subdivision

Kenneth Vanhoey, Jonathan Dupuy

Published in Eurographics 2022 (short paper)
paper, supp., supp., supp., code, video

Best presentation

Rendering Layered Materials with Diffuse Interfaces

Heloise de Dinechin, Laurent Belcour

Published in I3D 2022
paper, supp. html, code, video

Best paper

Bringing Linearly Transformed Cosines to Anisotropic GGX

Aakash KT, Eric Heitz, Jonathan Dupuy, P.J. Narayanan

Published in I3D 2022
paper, supp. pdf, code

Visually-Uniform Reparametrization of Material Appearance through Density Redistribution

Pascal Barla, Laurent Belcour, Romain Pacanowski

Technical report 2021
article

Experimenting With Concurrent Binary Trees for Large-scale Terrain Rendering

Thomas Deliot, Xiaoling Yao, Jonathan Dupuy, Kees Rijnen

Published in ACM SIGGRAPH Courses 2021
webpage

Lessons Learned and Improvements when Building Screen-Space Samplers with Blue-Noise Error Distribution

Laurent Belcour, Eric Heitz

Published in ACM SIGGRAPH Talks 2021
article, supp. mat., code, video, slides

Passing Multi-Channel Material Textures to a 3-Channel Loss

Thomas Chambon, Eric Heitz, Laurent Belcour

Published in ACM SIGGRAPH Talks 2021
article, supp. mat., video

Best paper #2

A Halfedge Refinement Rule for Parallel Catmull-Clark Subdivision

Jonathan Dupuy, Kenneth Vanhoey

Published in Computer Graphics Forum (HPG 2021 top 30% proceedings)
webpage, article, video, code, supp. mat. GPU, supp. mat. CPU

A Sliced Wasserstein Loss for Neural Texture Synthesis

Eric Heitz, Kenneth Vanhoey, Thomas Chambon, Laurent Belcour

Published in CVPR 2021
article, video, poster, code

Improved Shader and Texture Level of Detail Using Ray Cones

Tomas Akenine-Möller, Cyril Crassin, Jakub Boksansky, Laurent Belcour, Alexey Panteleev, Oli Wright

Published in JCGT
pdf, code

Bringing an Accurate Fresnel to Real-Time Rendering: a Preintegrable Decomposition

Laurent Belcour, Megane Bati, Pascal Barla

Published in ACM SIGGRAPH 2020 Talks and Courses
course webpage, abstract, supp. pdf, code, notebook, slides

Concurrent Binary Trees

Jonathan Dupuy

Published in HPG 2020
webpage, video, code

Best paper

Can’t Invert the CDF? The Triangle-Cut Parameterization of the Region under the Curve

Eric Heitz

Published in Computer Graphics Forum 2020 (proceedings of EGSR)

Rendering Layered Materials with Anisotropic Interfaces

Philippe Weier, Laurent Belcour

Published in JCGT
pdf, supp. html, code

Integration and Simulation of Bivariate Projective-Cauchy Distributions within Arbitrary Polygonal Domains

Jonathan Dupuy, Laurent Belcour, Eric Heitz

Technical report 2019
arxiv, video, code

A Low-Discrepancy Sampler that Distributes Monte Carlo Errors as a Blue Noise in Screen Space

Eric Heitz, Laurent Belcour, Victor Ostromoukhov, David Coeurjolly, Jean-Claude Iehl

Published in ACM SIGGRAPH Talks 2019
abstract, supp. doc, code, unity demo, supp. html, video, slides

Multi-Stylization of Video Games in Real-Time guided by G-buffer Information

Adèle Saint-Denis, Kenneth Vanhoey, Thomas Deliot

Published in High Performance Graphics 2019 - Posters
webpage, pdf

A Low-Distortion Map Between Triangle and Square

Eric Heitz

Technical report 2019

Procedural Stochastic Textures by Tiling and Blending

Thomas Deliot, Eric Heitz

Published in GPU Zen 2

Best paper

Distributing Monte Carlo Errors as a Blue Noise in Screen Space by Permuting Pixel Seeds Between Frames

Eric Heitz, Laurent Belcour

Published in Computer Graphics Forum 2019 (proceedings of EGSR)

Adaptive GPU Tessellation with Compute Shaders

Jad Khoury, Jonathan Dupuy, Christophe Riccio

Published in GPU Zen 2
webpage, code

An Adaptive Parameterization for Efficient Material Acquisition and Rendering

Jonathan Dupuy, Wenzel Jakob

Published in ACM SIGGRAPH Asia 2018
webpage, database, code, video, slides

Sampling the GGX Distribution of Visible Normals

Eric Heitz

Published in JCGT

Efficient Rendering of Layered Materials using an Atomic Decomposition with Statistical Operators

Laurent Belcour

Published in ACM SIGGRAPH 2018
webpage, video, pdf, supp. pdf, code, slides

Best paper

High-Performance By-Example Noise using a Histogram-Preserving Blending Operator

Eric Heitz, Fabrice Neyret

Published in HPG 2018

Best paper

Combining Analytic Direct Illumination and Stochastic Shadows

Eric Heitz, Stephen Hill, Morgan McGuire

Published in I3D 2018

Generating Random Segments from Non-Uniform Distributions

Eric Heitz

Technical report 2018

Microfacet-based Normal Mapping for Robust Monte Carlo Path Tracing

Vincent Schüssler, Eric Heitz, Johannes Hanika, Carsten Dachsbacher

Published in ACM SIGGRAPH Asia 2017

A Spherical Cap Preserving Parameterization for Spherical Distributions

Jonathan Dupuy, Eric Heitz, Laurent Belcour

Published in ACM SIGGRAPH 2017
webpage, video, code, supp. pdf, slides

Real-Time Line- and Disk-Light Shading with Linearly Transformed Cosines

Eric Heitz, Stephen Hill

Published in ACM SIGGRAPH Courses 2017

A Practical Extension to Microfacet Theory for the Modeling of Varying Iridescence

Laurent Belcour, Pascal Barla

Published in ACM SIGGRAPH 2017
webpage, video, pdf, supp. pdf, code, slides

Notes on optimal approximations for importance sampling

Jacopo Pantaleoni, Eric Heitz

Technical report 2017

Computing a front-facing ellipse that subtends the same solid angle as an arbitrarily oriented ellipse

Eric Heitz

Technical report 2017

Linear-Light Shading with Linearly Transformed Cosines

Eric Heitz, Stephen Hill

Published in GPU Zen

Analytical calculation of the solid angle subtended by an arbitrarily positioned ellipsoid to a point source

Eric Heitz

Published in Nuclear Instruments and Methods in Physics Research 2017

Geometric Derivation of the Irradiance of Polygonal Lights

Eric Heitz

Technical report 2017

Real-Time Area Lighting: a Journey From Research to Production

Stephen Hill, Eric Heitz

Published in ACM SIGGRAPH Courses 2016

Real-Time Polygonal-Light Shading with Linearly Transformed Cosines

Eric Heitz, Jonathan Dupuy, Stephen Hill, David Neubelt

Published in ACM SIGGRAPH 2016

A Practical Introduction to Frequency Analysis of Light Transport

Laurent Belcour

Published in ACM SIGGRAPH Courses 2016

Additional Progress Towards the Unification of Microfacet and Microflake Theories

Jonathan Dupuy, Eric Heitz, Eugene d'Eon

Published in EGSR 2016 (E&I)
webpage, code, slides