Tero Karras  

 



  ![](/sites/default/files/person/tero-karras.png)

  

 Tero Karras works as a Senior Distinguished Research Scientist at NVIDIA Research, which he joined in 2009. His current research interests revolve around deep learning, generative models, and digital content creation. He is the primary author of the StyleGAN family of generative models and has also had a pivotal role in the development of NVIDIA's RTX technology, including both hardware and software design.



   Research Area(s)

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

[Generative AI](/research-area/generative-ai)

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

 

 

  

 Main Field of Interest

[Artificial Intelligence and Machine Learning ](/research-area/machine-learning-artificial-intelligence)

 

  

 Google Scholar

<https://scholar.google.fi/citations?user=-50qJW8AAAAJ>

 

  

 

 

 



 ### Publications

 

### 2023 

[Generative Novel View Synthesis with 3D-Aware Diffusion Models](/publication/2023-10_generative-novel-view-synthesis-3d-aware-diffusion-models)

Eric R. Chan, [Koki Nagano](/person/koki-nagano), Matthew Chan, Alexander W. Bergman, Jeong Joon Park, Axel Levy, [Miika Aittala](/person/miika-aittala), [Shalini De Mello](/person/shalini-de-mello), [Tero Karras](/person/tero-karras), Gordon Wetzstein



[International Conference on Computer Vision (ICCV) 2023](https://iccv2023.thecvf.com/)



Oral





### 2022 

[Elucidating the Design Space of Diffusion-Based Generative Models](/publication/2022-11_elucidating-design-space-diffusion-based-generative-models)

[Tero Karras](/person/tero-karras), [Miika Aittala](/person/miika-aittala), [Timo Aila](/person/timo-aila), [Samuli Laine](/person/samuli-laine)



[NeurIPS 2022 (oral)](https://nips.cc/Conferences/2022)



NeurIPS Outstanding Paper





[Efficient Geometry-aware 3D Generative Adversarial Networks](/publication/2022-06_efficient-geometry-aware-3d-generative-adversarial-networks)

Eric R. Chan, Connor Z. Lin, Matthew A. Chan, [Koki Nagano](/person/koki-nagano), Boxiao Pan, [Shalini De Mello](/person/shalini-de-mello), Orazio Gallo, Leonidas Guibas, [Jonathan Tremblay](/person/jonathan-tremblay), Sameh Khamis, [Tero Karras](/person/tero-karras), Gordon Wetzstein



[IEEE Conference on Computer Vision and Pattern Recognition (CVPR) 2022](https://cvpr2022.thecvf.com/)



Oral





### 2021 

[Alias-Free Generative Adversarial Networks](/publication/2021-12_alias-free-generative-adversarial-networks)

[Tero Karras](/person/tero-karras), [Miika Aittala](/person/miika-aittala), [Samuli Laine](/person/samuli-laine), Erik Härkönen, [Janne Hellsten](/person/janne-hellsten), Jaakko Lehtinen, [Timo Aila](/person/timo-aila)



[NeurIPS 2021](https://nips.cc/Conferences/2021)









### 2020 

[Training Generative Adversarial Networks with Limited Data](/publication/2020-12_training-generative-adversarial-networks-limited-data)

[Tero Karras](/person/tero-karras), [Miika Aittala](/person/miika-aittala), [Janne Hellsten](/person/janne-hellsten), [Samuli Laine](/person/samuli-laine), [Jaakko Lehtinen](/person/jaakko-lehtinen), [Timo Aila](/person/timo-aila)



[NeurIPS 2020](https://nips.cc/Conferences/2020)









[Modular Primitives for High-Performance Differentiable Rendering](/index.php/publication/2020-11_modular-primitives-high-performance-differentiable-rendering)

[Samuli Laine](/index.php/person/samuli-laine), [Janne Hellsten](/index.php/person/janne-hellsten), [Tero Karras](/index.php/person/tero-karras), Yeongho Seol, [Jaakko Lehtinen](/index.php/person/jaakko-lehtinen), [Timo Aila](/index.php/person/timo-aila)



[ACM Transactions on Graphics 39(6) (Proc. SIGGRAPH Asia 2020)](https://dl.acm.org/doi/abs/10.1145/3414685.3417861)









[Semi-Supervised StyleGAN for Disentanglement Learning](/publication/2020-07_semi-supervised-stylegan-disentanglement-learning)

Weili Nie, [Tero Karras](/person/tero-karras), Animesh Garg, Shoubhik Debnath, Anjul Patney, Ankit B. Patel, Anima Anandkumar



[International Conference on Machine Learning (ICML) 2020](https://icml.cc/virtual/2020)









[Analyzing and Improving the Image Quality of StyleGAN](/index.php/publication/2020-06_analyzing-and-improving-image-quality-stylegan)

[Tero Karras](/index.php/person/tero-karras), [Samuli Laine](/index.php/person/samuli-laine), [Miika Aittala](/index.php/person/miika-aittala), [Janne Hellsten](/index.php/person/janne-hellsten), Jaakko Lehtinen, [Timo Aila](/index.php/person/timo-aila)



[CVPR 2020](http://cvpr2020.thecvf.com/)









### 2019 

[High-Quality Self-Supervised Deep Image Denoising](/publication/2019-12_high-quality-self-supervised-deep-image-denoising)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras), Jaakko Lehtinen, [Timo Aila](/person/timo-aila)



NeurIPS 2019









[Improved Precision and Recall Metric for Assessing Generative Models](/publication/2019-12_improved-precision-and-recall-metric-assessing-generative-models)

Tuomas Kynkäänniemi, [Tero Karras](/person/tero-karras), [Samuli Laine](/person/samuli-laine), Jaakko Lehtinen, [Timo Aila](/person/timo-aila)



NeurIPS 2019









[Few-Shot Unsupervised Image-to-Image Translation](/publication/2019-10_few-shot-unsupervised-image-image-translation)

[Ming-Yu Liu](/person/ming-yu-liu), Xun Huang, Arun Mallya, [Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila), [Jaakko Lehtinen](/person/jaakko-lehtinen), [Jan Kautz](/person/jan-kautz)



[ICCV](http://iccv2019.thecvf.com/)









[A Style-Based Generator Architecture for Generative Adversarial Networks](/publication/2019-06_style-based-generator-architecture-generative-adversarial-networks)

[Tero Karras](/person/tero-karras), [Samuli Laine](/person/samuli-laine), [Timo Aila](/person/timo-aila)



[IEEE CVPR 2019](http://cvpr2019.thecvf.com/)









[Texture Level of Detail Strategies for Real-Time Ray Tracing](/publication/2019-03_texture-level-detail-strategies-real-time-ray-tracing)

[Tomas Akenine-Möller](/person/tomas-akenine-moller), Jim Nilsson, Magnus Andersson, Colin Barré-Brisebois, Robert Toth, [Tero Karras](/person/tero-karras)



[Ray Tracing Gems](http://www.realtimerendering.com/raytracinggems/)









### 2018 

[Noise2Noise: Learning Image Restoration without Clean Data](/publication/2018-07_noise2noise-learning-image-restoration-without-clean-data)

Jaakko Lehtinen, [Jacob Munkberg](/person/jacob-munkberg), [Jon Hasselgren](/person/jon-hasselgren), [Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras), Miika Aittala, [Timo Aila](/person/timo-aila)



[Proc. ICML 2018](https://icml.cc/)









[Progressive Growing of GANs for Improved Quality, Stability, and Variation](/publication/2018-04_progressive-growing-gans-improved-quality-stability-and-variation)

[Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila), [Samuli Laine](/person/samuli-laine), Jaakko Lehtinen



[ICLR 2018](https://iclr.cc/Conferences/2018)









### 2017 

[Audio-Driven Facial Animation by Joint End-to-End Learning of Pose and Emotion](/publication/2017-07_audio-driven-facial-animation-joint-end-end-learning-pose-and-emotion)

[Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila), [Samuli Laine](/person/samuli-laine), Antti Herva, Jaakko Lehtinen



[SIGGRAPH 2017](http://dl.acm.org/citation.cfm?id=3072959&picked=prox)









[Efficient Incoherent Ray Traversal on GPUs Through Compressed Wide BVHs](/publication/2017-07_efficient-incoherent-ray-traversal-gpus-through-compressed-wide-bvhs)

Henri Ylitie, [Tero Karras](/person/tero-karras), [Samuli Laine](/person/samuli-laine)



[High-Performance Graphics 2017](http://www.highperformancegraphics.org/2017/)









[Production-Level Facial Performance Capture Using Deep Convolutional Neural Networks](/publication/2017-07_production-level-facial-performance-capture-using-deep-convolutional-neural)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila), Antti Herva, Shunsuke Saito, Ronald Yu, Hao Li, Jaakko Lehtinen



[Symposium on Computer Animation 2017](http://sca17.cs.columbia.edu/index.html)









[Pruning Convolutional Neural Networks for Resource Efficient Inference](/publication/2017-04_pruning-convolutional-neural-networks-resource-efficient-inference)

[Pavlo Molchanov](/person/pavlo-molchanov), [Stephen Tyree](/person/stephen-tyree), [Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila), [Jan Kautz](/person/jan-kautz)



[International Conference on Learning Representations (ICLR 2017)](https://openreview.net/forum?id=SJGCiw5gl&noteId=SJGCiw5gl)









### 2015 

[Apex Point Map for Constant-Time Bounding Plane Approximation](/publication/2015-06_apex-point-map-constant-time-bounding-plane-approximation)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[Eurographics Symposium on Rendering 2015](https://diglib.eg.org/handle/10.2312/sre20151166)









### 2013 

[On Quality Metrics of Bounding Volume Hierarchies](/publication/2013-09_quality-metrics-bounding-volume-hierarchies)

[Timo Aila](/person/timo-aila), [Tero Karras](/person/tero-karras), [Samuli Laine](/person/samuli-laine)



[Proc. High-Performance Graphics](http://highperformancegraphics.org)









[Megakernels Considered Harmful: Wavefront Path Tracing on GPUs](/publication/2013-07_megakernels-considered-harmful-wavefront-path-tracing-gpus)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila)



[High-Performance Graphics 2013](http://highperformancegraphics.org/)









[Fast Parallel Construction of High-Quality Bounding Volume Hierarchies](/publication/2013-07_fast-parallel-construction-high-quality-bounding-volume-hierarchies)

[Tero Karras](/person/tero-karras), [Timo Aila](/person/timo-aila)



[High Performance Graphics 2013](http://www.highperformancegraphics.org/)









[Gradient-Domain Metropolis Light Transport](/publication/2013-07_gradient-domain-metropolis-light-transport)

[Jaakko Lehtinen](/person/jaakko-lehtinen), [Tero Karras](/person/tero-karras), [Samuli Laine](/person/samuli-laine), Miika Aittala, Frédo Durand, [Timo Aila](/person/timo-aila)



[ACM Transactions on Graphics (Proc. SIGGRAPH 2013)](http://dx.doi.org/10.1145/2461912.2461943)









### 2012 

[Maximizing Parallelism in the Construction of BVHs, Octrees, and k-d Trees](/publication/2012-06_maximizing-parallelism-construction-bvhs-octrees-and-k-d-trees)

[Tero Karras](/person/tero-karras)



[High Performance Graphics 2012](http://www.highperformancegraphics.org/)









[Understanding the Efficiency of Ray Traversal on GPUs - Kepler and Fermi Addendum](/publication/2012-06_understanding-efficiency-ray-traversal-gpus-kepler-and-fermi-addendum)

[Timo Aila](/person/timo-aila), [Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[NVIDIA Technical Report NVR-2012-002](http://research.nvidia.com/publication/understanding-efficiency-ray-traversal-gpus-kepler-and-fermi-addendum)









### 2011 

[Improved Dual-Space Bounds for Simultaneous Motion and Defocus Blur](/publication/2011-11_improved-dual-space-bounds-simultaneous-motion-and-defocus-blur)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[NVIDIA Technical Report NVR-2010-004](http://research.nvidia.com/publication/improved-dual-space-bounds-simultaneous-motion-and-defocus-blur)









[Efficient Triangle Coverage Tests for Stochastic Rasterization](/publication/2011-09_efficient-triangle-coverage-tests-stochastic-rasterization)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[NVIDIA Technical Report NVR-2010-003](http://research.nvidia.com/publication/efficient-triangle-coverage-tests-stochastic-rasterization)









[High-Performance Software Rasterization on GPUs](/publication/2011-08_high-performance-software-rasterization-gpus)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[High-Performance Graphics 2011](http://highperformancegraphics.org/)









[Clipless Dual-Space Bounds for Faster Stochastic Rasterization](/publication/2011-08_clipless-dual-space-bounds-faster-stochastic-rasterization)

[Samuli Laine](/person/samuli-laine), [Timo Aila](/person/timo-aila), [Tero Karras](/person/tero-karras), [Jaakko Lehtinen](/person/jaakko-lehtinen)



[ACM Transactions in Graphics 30(4) (Proc. SIGGRAPH 2011)](http://dl.acm.org/citation.cfm?id=1965001)









[Stratified Sampling for Stochastic Transparency](/publication/2011-06_stratified-sampling-stochastic-transparency)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[Computer Graphics Forum 30(4) (EGSR 2011)](http://egsr2011.mff.cuni.cz/)









### 2010 

[Architecture Considerations for Tracing Incoherent Rays](/publication/2010-06_architecture-considerations-tracing-incoherent-rays)

[Timo Aila](/person/timo-aila), [Tero Karras](/person/tero-karras)



[Proc. High-Performance Graphics 2010](http://www.highperformancegraphics.org/)









[Two Methods for Fast Ray-Cast Ambient Occlusion](/publication/2010-06_two-methods-fast-ray-cast-ambient-occlusion)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[Eurographics Symposium on Rendering 2010](http://www.mpi-inf.mpg.de/egsr2010/)









[Efficient Sparse Voxel Octrees](/publication/2010-02_efficient-sparse-voxel-octrees)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D)](http://graphics.cs.williams.edu/i3d10/)









[Efficient Sparse Voxel Octrees - Analysis, Extensions, and Implementation](/publication/2010-02_efficient-sparse-voxel-octrees-analysis-extensions-and-implementation)

[Samuli Laine](/person/samuli-laine), [Tero Karras](/person/tero-karras)



[NVIDIA Technical Report NVR-2010-001](http://research.nvidia.com/publication/efficient-sparse-voxel-octrees-analysis-extensions-and-implementation)