  Benedikt Bitterli  

 



  ![](/sites/default/files/person/Bitterli.jpg)

  

   Research Area(s)

[Computer Graphics](/index.php/research-area/computer-graphics)

[Real-Time Rendering](/index.php/research-area/real-time-rendering)

 

 

  

 Main Field of Interest

[Real-Time Rendering](/index.php/research-area/real-time-rendering)

 

  

 

 

 



 ### Publications

 

### 2025 

[Generative Detail Enhancement for Physically Based Materials](/publication/2025-07_generative-detail-enhancement-physically-based-materials)

Saeed Hadadan, [Benedikt Bitterli](/person/benedikt-bitterli), [Tizian Zeltner](/person/tizian-zeltner), [Jan Novák](/person/jan-novak), [Fabrice Rousselle](/person/fabrice-rousselle), [Jacob Munkberg](/person/jacob-munkberg), [Jon Hasselgren](/person/jon-hasselgren), [Bart Wronski](/person/bart-wronski), Matthias Zwicker



[SIGGRAPH 2025](https://s2025.siggraph.org/)









### 2024 

[From Microfacets to Participating Media: A Unified Theory of Light Transport with Stochastic Geometry](/index.php/publication/2024-07_microfacets-participating-media-unified-theory-light-transport-stochastic)

Dario Seyb, [Eugene d'Eon](/index.php/person/eugene-d-eon), [Benedikt Bitterli](/index.php/person/benedikt-bitterli), Wojciech Jarosz







SIGGRAPH 2024 Best Paper Award





[A Free-Space Diffraction BSDF](/publication/2024-07_free-space-diffraction-bsdf)

Shlomi Steinberg, [Ravi Ramamoorthi](/person/ravi-ramamoorthi), [Benedikt Bitterli](/person/benedikt-bitterli), Arshiya Mollazainali, [Eugene d'Eon](/person/eugene-d-eon), [Matt Pharr](/person/matt-pharr)













[Decorrelating ReSTIR Samplers via MCMC Mutations](/index.php/publication/2024-07_decorrelating-restir-samplers-mcmc-mutations)

Rohan Sawhney, [Daqi Lin](/index.php/person/daqi-lin), [Markus Kettunen](/index.php/person/markus-kettunen), [Benedikt Bitterli](/index.php/person/benedikt-bitterli), [Ravi Ramamoorthi](/index.php/person/ravi-ramamoorthi), [Chris Wyman](/index.php/person/chris-wyman), [Matt Pharr](/index.php/person/matt-pharr)













### 2023 

[Microfacet theory for non-uniform heightfields](/index.php/publication/2023-08_microfacet-theory-non-uniform-heightfields)

[Eugene d'Eon](/index.php/person/eugene-d-eon), [Benedikt Bitterli](/index.php/person/benedikt-bitterli), [Andrea Weidlich](/index.php/person/andrea-weidlich), [Tizian Zeltner](/index.php/person/tizian-zeltner)



[SIGGRAPH 2023](https://s2023.siggraph.org/)









[Real-Time Neural Appearance Models](/publication/2023-05_real-time-neural-appearance-models)

[Tizian Zeltner](/person/tizian-zeltner), [Fabrice Rousselle](/person/fabrice-rousselle), [Andrea Weidlich](/person/andrea-weidlich), [Petrik Clarberg](/person/petrik-clarberg), [Jan Novák](/person/jan-novak), [Benedikt Bitterli](/person/benedikt-bitterli), Alex Evans, [Tomáš Davidovič](/person/tomas-davidovic), [Simon Kallweit](/person/simon-kallweit), [Aaron Lefohn](/person/aaron-lefohn)



[TOG (Presented at SIGGRAPH 2024)](https://dl.acm.org/doi/pdf/10.1145/3659577)









### 2022 

[Generalized Resampled Importance Sampling: Foundations of ReSTIR](/index.php/publication/2022-07_generalized-resampled-importance-sampling-foundations-restir)

Daqi Lin, [Markus Kettunen](/index.php/person/markus-kettunen), [Benedikt Bitterli](/index.php/person/benedikt-bitterli), Jacopo Pantaleoni, Cem Yuksel, [Chris Wyman](/index.php/person/chris-wyman)



[ACM Transactions on Graphics (SIGGRAPH 2022)](https://s2022.siggraph.org/)









[Unbiased and consistent rendering using biased estimators](/publication/2022-07_unbiased-and-consistent-rendering-using-biased-estimators)

Zackary Misso, [Benedikt Bitterli](/person/benedikt-bitterli), Iliyan Georgiev, Wojciech Jarosz



[ACM Transactions on Graphics (SIGGRAPH 2022)](https://s2022.siggraph.org/)









[Unbiased and consistent rendering using biased estimators](/publication/2022-07_unbiased-and-consistent-rendering-using-biased-estimators)

Zackary Misso, [Benedikt Bitterli](/person/benedikt-bitterli), Iliyan Georgiev, Wojciech Jarosz



[ACM Transactions on Graphics (SIGGRAPH 2022)](https://s2022.siggraph.org/)









[Real-Time Path Tracing and Beyond](/publication/2022-07_real-time-path-tracing-and-beyond)

[Petrik Clarberg](/person/petrik-clarberg), [Simon Kallweit](/person/simon-kallweit), [Craig Kolb](/person/craig-kolb), Pawel Kozlowski, Yong He, [Lifan Wu](/person/lifan-wu), Edward Liu, [Benedikt Bitterli](/person/benedikt-bitterli), [Matt Pharr](/person/matt-pharr)



[HPG 2022 Keynote](https://www.highperformancegraphics.org/2022/program/)









[A Position-Free Path Integral for Homogeneous Slabs and Multiple Scattering on Smith Microfacets](/index.php/publication/2022-07_position-free-path-integral-homogeneous-slabs-and-multiple-scattering-smith)

[Benedikt Bitterli](/index.php/person/benedikt-bitterli), [Eugene d'Eon](/index.php/person/eugene-d-eon)



[EGSR 2022](https://egsr.eu/2022/)









[A bidirectional formulation for Walk on Spheres](/index.php/publication/2022-07_bidirectional-formulation-walk-spheres)

Yang Qi, Dario Seyb, [Benedikt Bitterli](/index.php/person/benedikt-bitterli), Wojciech Jarosz



[EGSR 2022](https://egsr.eu/2022/)









[Real-Time Neural Appearance Models](/publication/_real-time-neural-appearance-models)

[Tizian Zeltner](/person/tizian-zeltner), [Fabrice Rousselle](/person/fabrice-rousselle), [Andrea Weidlich](/person/andrea-weidlich), [Petrik Clarberg](/person/petrik-clarberg), [Jan Novák](/person/jan-novak), [Benedikt Bitterli](/person/benedikt-bitterli), Alex Evans, [Tomas Davidovic](/person/tomas-davidovic), [Simon Kallweit](/person/simon-kallweit), [Aaron Lefohn](/person/aaron-lefohn)