Derek Nowrouzezahrai

Membre Académique Principal
Derek Nowrouzezahrai
Professeur, McGill University
Derek Nowrouzezahrai

Je suis professeur agrégé à l’Université McGill, directeur du centre de recherche sur les machine intelligentes (CIM), co-directeur du laboratoire d’infographie de McGill (MGL) et titulaire de la Chaire de recherche industrielle Ubisoft/ CRSNG sur les expériences de personnages virtuels (NSERC/Ubisoft Industrial Research Chair in Believable Virtual Character Experiences).

Je suis intéressé par la synthèse d’images réalistes et la simulation physique pour la réalité virtuelle et les jeux vidéos, la simulation et le contrôle de fluides, la fabrication numérique, l’optique augmentée par ordinateur et le traitement de la géométrie. Mon travail repose principalement sur le développement de nouvelles méthodes Monte Carlo, sur l’application de l’apprentissage machines aux médias visuels et 3D, et sur l’utilisation des approches statistiques pour résoudre des problèmes d’intégration multidimensionnelle.

Publications

2021-01

Neural Geometric Level of Detail: Real-time Rendering with Implicit 3D Shapes
Towaki Takikawa, Joey Litalien, Kangxue Yin, Karsten Kreis, Charles Loop, Derek Nowrouzezahrai, Alec Jacobson, Morgan McGuire and Sanja Fidler
arXiv preprint arXiv:2101.10994
(2021-01-26)
arxiv.orgPDF
On the Effectiveness of Weight-Encoded Neural Implicit 3D Shapes.
Thomas Davies, Derek Nowrouzezahrai and Alec Jacobson
arXiv: Graphics
(2021-01-18)
arxiv.orgPDF

2020-11

Affinity LCFCN: Learning to Segment Fish with Weak Supervision.
Issam Laradji, Alzayat Saleh, Pau Rodriguez, Derek Nowrouzezahrai, Mostafa Rahimi Azghadi and David Vazquez
arXiv: Computer Vision and Pattern Recognition
(2020-11-08)
arxiv.orgPDF

2020-10

Regularized Inverse Reinforcement Learning
Wonseok Jeon, Chen-Yang Su, Paul Barde, Thang Doan, Derek Nowrouzezahrai and Joelle Pineau
arXiv preprint arXiv:2010.03691
(2020-10-07)
ui.adsabs.harvard.eduPDF

2020-09

gradSim: Differentiable simulation for system identification and visuomotor control
J. Krishna Murthy, Miles Macklin, Florian Golemo, Vikram Voleti, Linda Petrini, Martin Weiss, Breandan Considine, Jérôme Parent-Lévesque, Kevin Xie, Kenny Erleben, Liam Paull, Florian Shkurti, Derek Nowrouzezahrai and Sanja Fidler
ICLR 2020
(2020-09-28)
openreview.netPDF
Regularized Inverse Reinforcement Learning
Wonseok Jeon, Chen-Yang Su, Paul Barde, Thang Doan, Derek Nowrouzezahrai and Joelle Pineau
ICLR 2020
(2020-09-28)
dblp.uni-trier.dePDF
Overfit Neural Networks as a Compact Shape Representation
Thomas Davies, Derek Nowrouzezahrai and Alec Jacobson
arXiv preprint arXiv:2009.09808
(2020-09-17)
ui.adsabs.harvard.edu

2020-07

Robust motion in-betweening
Félix G. Harvey, Mike Yurick, Derek Nowrouzezahrai and Christopher Pal
Directional sources and listeners in interactive sound propagation using reciprocal wave field coding
Chakravarty R. Alla Chaitanya, Nikunj Raghuvanshi, Keith W. Godin, Zechen Zhang, Derek Nowrouzezahrai and John M. Snyder
SIGGRAPH 2020
(2020-07-08)
www.microsoft.com
A Weakly Supervised Region-Based Active Learning Method for COVID-19 Segmentation in CT Images.
Issam H. Laradji, Pau Rodríguez, Frederic Branchaud-Charron, Keegan Lensink, Parmida Atighehchian, William Parker, David Vázquez and Derek Nowrouzezahrai
arXiv preprint arXiv:2007.07012
(2020-07-07)
ui.adsabs.harvard.eduPDF
A Weakly Supervised Consistency-based Learning Method for COVID-19 Segmentation in CT Images.
Issam H. Laradji, Pau Rodríguez, Oscar Mañas, Keegan Lensink, Marco Law, Lironne Kurzman, William Parker, David Vázquez and Derek Nowrouzezahrai
arXiv preprint arXiv:2007.02180
(2020-07-04)
dblp.uni-trier.dePDF
Practical Product Path Guiding Using Linearly Transformed Cosines
Stavros Diolatzis, Adrien Gruson, Wenzel Jakob, Derek Nowrouzezahrai and George Drettakis
Computer Graphics Forum
(2020-07-01)
hal.inria.fr

2020-06

Adversarial Soft Advantage Fitting: Imitation Learning without Policy Optimization
Paul Barde, Julien Roy, Wonseok Jeon, Joelle Pineau, Christopher J. Pal and Derek Nowrouzezahrai
arXiv preprint arXiv:2006.13258
(2020-06-23)
ui.adsabs.harvard.eduPDF
Delayed Rejection Metropolis Light Transport
Damien Rioux-Lavoie, Joey Litalien, Adrien Gruson, Toshiya Hachisuka and Derek Nowrouzezahrai
ACM Transactions on Graphics
(2020-06-09)
dblp.uni-trier.de
Surprisal-Triggered Conditional Computation with Neural Networks
Loren Lugosch, Derek Nowrouzezahrai and Brett H. Meyer
arXiv preprint arXiv:2006.01659
(2020-06-02)
ui.adsabs.harvard.eduPDF
Adversarial Soft Advantage Fitting: Imitation Learning without Policy Optimization
Paul Barde, Julien Roy, Wonseok Jeon, Joelle Pineau, Christopher J. Pal and Derek Nowrouzezahrai
NEURIPS 2020
(2020-06-01)
papers.nips.cc
VoronoiNet: General Functional Approximators With Local Support
Francis Williams, Jerome Parent-Levesque, Derek Nowrouzezahrai, Daniele Panozzo, Kwang Moo Yi and Andrea Tagliasacchi
CVPR 2020
(2020-06-01)
openaccess.thecvf.comPDF

2020-05

An Efficient Transport Estimator for Complex Layered Materials
Luis E. Gamboa, Adrien Gruson and Derek Nowrouzezahrai
Computer Graphics Forum
(2020-05-01)
diglib.eg.org
Local Bases for Model‐reduced Smoke Simulations
Olivier Mercier and Derek Nowrouzezahrai
Computer Graphics Forum
(2020-05-01)
onlinelibrary.wiley.com
Using Speech Synthesis to Train End-To-End Spoken Language Understanding Models
Loren Lugosch, Brett H. Meyer, Derek Nowrouzezahrai and Mirco Ravanelli

2020-03

Pix2Shape: Towards Unsupervised Learning of 3D Scenes from Images Using a View-Based Representation
Sai Rajeswar, Fahim Mannan, Florian Golemo, Jérôme Parent-Lévesque, David Vázquez, Derek Nowrouzezahrai and Aaron C. Courville
International Journal of Computer Vision
(2020-03-20)
link.springer.com
Pix2Shape: Towards Unsupervised Learning of 3D Scenes from Images Using a View-Based Representation
Sai Rajeswar, Fahim Mannan, Florian Golemo, Jérôme Parent-Lévesque, David Vázquez, Derek Nowrouzezahrai and Aaron C. Courville
International Journal of Computer Vision
(2020-03-20)
link.springer.comPDF

2020-02

Scalable Multi-Agent Inverse Reinforcement Learning via Actor-Attention-Critic
Wonseok Jeon, Paul Barde, Derek Nowrouzezahrai and Joelle Pineau
arXiv preprint arXiv:2002.10525
(2020-02-24)
ui.adsabs.harvard.eduPDF

2020-01

A Weakly Supervised Consistency-Based Learning Method for COVID-19 Segmentation in CT Images
Issam H. Laradji, Pau Rodríguez, Oscar Mañas, Keegan Lensink, Marco Law, Lironne Kurzman, William Parker, David Vázquez and Derek Nowrouzezahrai
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision
(2020-01-01)
openaccess.thecvf.comPDF

2019-11

Robo-PlaNet: Learning to Poke in a Day
Maxime Chevalier-Boisvert, Guillaume Alain, Florian Golemo and Derek Nowrouzezahrai
arXiv preprint arXiv:1911.03594
(2019-11-09)
ui.adsabs.harvard.eduPDF
Integral formulations of volumetric transmittance
Iliyan Georgiev, Zackary Misso, Toshiya Hachisuka, Derek Nowrouzezahrai, Jaroslav Křivánek and Wojciech Jarosz
ACM Transactions on Graphics
(2019-11-08)
doi.org
Non-linear sphere tracing for rendering deformed signed distance fields
Dario Seyb, Alec Jacobson, Derek Nowrouzezahrai and Wojciech Jarosz
ACM Transactions on Graphics
(2019-11-08)
dl.acm.org

2019-10

Navigation Agents for the Visually Impaired: A Sidewalk Simulator and Experiments
Martin Weiss, Simon Chamorro, Roger Girgis, Margaux Luck, Samira Ebrahimi Kahou, Joseph Paul Cohen, Derek Nowrouzezahrai, Doina Precup, Florian Golemo and Chris Pal

2019-09

Promoting Coordination through Policy Regularization in Multi-Agent Deep Reinforcement Learning
Julien Roy, Paul Barde, Félix G. Harvey, Derek Nowrouzezahrai and Christopher Pal
NEURIPS 2019
(2019-09-25)
papers.nips.ccPDF
Promoting Coordination through Policy Regularization in Multi-Agent Deep Reinforcement Learning
Paul Barde, Julien Roy, Félix G. Harvey, Derek Nowrouzezahrai and Christopher J. Pal
arXiv preprint arXiv:1908.02269
(2019-09-25)
ui.adsabs.harvard.eduPDF

2019-07

Subspace neural physics: fast data-driven interactive simulation
Daniel Holden, Bang Chi Duong, Sayantan Datta and Derek Nowrouzezahrai
SCA 2019
(2019-07-26)
dblp.uni-trier.de
Hyperparameter optimization in black-box image processing using differentiable proxies
Ethan Tseng, Felix Yu, Yuting Yang, Fahim Mannan, Karl St. Arnaud, Derek Nowrouzezahrai, Jean-François Lalonde and Felix Heide
ACM Transactions on Graphics
(2019-07-12)
collaborate.princeton.edu
Scalable Virtual Ray Lights Rendering for Participating Media
Nicolas Vibert, Adrien Gruson, Heine Stokholm, Troels Mortensen, Wojciech Jarosz, Toshiya Hachisuka and Derek Nowrouzezahrai
Computer Graphics Forum
(2019-07-01)
diglib.eg.org

2019-06

Volume Path Guiding Based on Zero-Variance Random Walk Theory
Sebastian Herholz, Yangyang Zhao, Oskar Elek, Derek Nowrouzezahrai, Hendrik P. A. Lensch and Jaroslav Křivánek
ACM Transactions on Graphics
(2019-06-15)
dl.acm.org
A Frequency Analysis and Dual Hierarchy for Efficient Rendering of Subsurface Scattering
David Milaenen, Laurent Belcour, Jean-Philippe Guertin, Toshiya Hachisuka and Derek Nowrouzezahrai
GI 2019
(2019-06-01)
dl.acm.org

2019-05

Fast non-uniform radiance probe placement and tracing
Yue Wang, Soufiane Khiat, Paul G. Kry and Derek Nowrouzezahrai
I3D 2019
(2019-05-21)
doi.org
Beyond Pixel Norm-Balls: Parametric Adversaries using an Analytically Differentiable Renderer
Hsueh-Ti Derek Liu, Michael Tao, Chun-Liang Li, Derek Nowrouzezahrai and Alec Jacobson
ICLR 2019
(2019-05-06)
iclr.cc
A Survey on Gradient-Domain Rendering
Binh-Son Hua, Adrien Gruson, Victor Petitjean, Matthias Zwicker, Derek Nowrouzezahrai, Elmar Eisemann and Toshiya Hachisuka
Computer Graphics Forum
(2019-05-01)
diglib.eg.org

2019-02

Adaptive Sampling for Sound Propagation
Chakravarty R. Alla Chaitanya, John M. Snyder, Keith Godin, Derek Nowrouzezahrai and Nikunj Raghuvanshi
IEEE Transactions on Visualization and Computer Graphics
(2019-02-14)
www.microsoft.comPDF

2019-01

Scalable appearance filtering for complex lighting effects
Luis E. Gamboa, Jean-Philippe Guertin and Derek Nowrouzezahrai
ACM Transactions on Graphics
(2019-01-10)
jglobal.jst.go.jp
Impulse Responses for Precomputing Light from Volumetric Media.
Renaud Adrien Dubouchet, Peter-Pike Sloan, Wojciech Jarosz and Derek Nowrouzezahrai
EGSR (DL/I)
(2019-01-01)
dblp.uni-trier.de
View-dependent Radiance Caching.
Yangyang Zhao, Laurent Belcour and Derek Nowrouzezahrai
GI 2019
(2019-01-01)
dblp.uni-trier.de

2018-09

Pix2Scene: Learning Implicit 3D Representations from Images
Sai Rajeswar, Fahim Mannan, Florian Golemo, David Vazquez, Derek Nowrouzezahrai and Aaron Courville
(venue unknown)
(2018-09-27)
openreview.net

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