Derek Nowrouzezahrai

Computer Graphics Professor in the LIGUM group / Professeur d'infographie dans le groupe LIGUM
Derek Nowrouzezahrai 

Assistant Professor  —  Professeur adjoint
Department of Computer Science and Operations Research (DIRO)
Département d'informatique et de recherche opérationnelle (DIRO)
University of Montreal  —  Université de Montréal

PhD/MSc Toronto 2010/2006   (Supervisor / Directeur: Dr. Eugene Fiume)
BASc Waterloo 2005                        (Supervisor / Directeur: Dr. William D. Bishop)

mbox{textsf{derek@iro.umontreal.ca}}
Phone: +1 (514) 343-6111 x.26949
Fax: +1 (514) 343-5834
Office / Bureau: 2347


Université de Montréal
Pavillon André-Aisenstadt, Faculté des arts et des sciences
C.P. 6128, succ. Centre-Ville
Montréal, Québec, Canada H3C 3J7

Research Interests / Domaines de recherche

Students / Étudiants

In Progress / En cours

  • Mahdi Bagher (Post-Doc)
  • Guofu Xie (Post-Doc)
  • Laurent Belcour (Post-Doc)
  • Aude Giraud (PhD)
  • Sina Honari (PhD)
  • Olivier Mercier (PhD)
  • Chaitanya Reddy (PhD)
  • Adrien Dubouchet (MSc)
  • Jean-Philippe Guertin (MSc)
  • Yangyang Zhao (MSc)
  • David Quiroz Marin (MSc)
  • Cynthia Beauchemin (MSc)
  • David Milaenen (MSc)
  • Joêl Polard-Perron (MSc)
  • Graduated / Diplômés

  • Benjamin Müller (MSc '11)
  • Philipp Keller (MSc '11)
  • Jan Novak (Intern '11)
  • Rahul Muhki (Intern '11)
  • Sebastien Milius (BSc '11)
  • Stefan Geiger (MSc '11)
  • Silvan Tschopp (MSc '11)
  • Adrian Blumer (BSc '11)
  • Philipp Simmler (MSc '11)
  • Michael Morandi (MSc '12)
  • Thomas Houit (MSc '12)
  • Thomas Siegrist (Msc '12)
  • Thorsten Schmidt (RA '12)
  • Marina Späni (MSc '12)
  • Courses / Cours

    IFT6095 Real-time Rendering / Sujets en infographie: rendu interactif Winter 2014 / Hiver 2014 [2013]
    IFT3355 Computer Graphics / Infographie Winter 2014 / Hiver 2014 [2012,2013]
    IFT2740 Tools for 3D Graphics / Outils de l'infographie 3D Fall 2014 / Automne 2014
    IFT3730 3D Computer Graphics / Infographie 3D Winter 2013 / Hiver 2013 [2013]

    Publications

    2014
    Hierarchical Diffusion Curves for Accurate Image Vectorization
    Guofu Xie, Xin Sun, Xin Tong, Derek Nowrouzezahrai
    ACM Transactions on Graphics (proceedings of ACM SIGGRAPH Asia)
    Unifying Points, Beams, and Paths in Volumetric Light Transport Simulation
    Jaroslav Křivánek, Iliyan Georgiev, Toshiya Hachisuka, Petr Vévoda, Martin Šik, Derek Nowrouzezahrai, Wojciech Jarosz
    ACM Transactions on Graphics (proceedings of ACM SIGGRAPH)
    Facial Performance Enhancement Using Dynamic Shape Space Analysis
    Amit H. Bermano, Derek Bradley, Thabo Beeler, Fabio Zünd, Derek Nowrouzezahrai, Ilya Baran, Olga Sorkine, Hanspeter Pfister, Robert W. Sumner, Bernd Bickel, Markus Gross
    ACM Transactions on Graphics (to be presented at ACM SIGGRAPH)
    Error analysis of estimators that use combinations of stochastic sampling strategies for direct illumination
    Kartic Subr, Derek Nowrouzezahrai, Wojciech Jarosz, Jan Kautz, Kenny Mitchell
    Eurographics Symposium on Rendering (EGSR)
    A Fast and Stable Feature-Aware Motion Blur Filter
    Jean-Philippe Guertin, Morgan McGuire, Derek Nowrouzezahrai
    High-Performance Graphics (HPG)
    Fast Global Illumination Approximations on Deep G-Buffers
    Michael Mara, Morgan McGuire, Derek Nowrouzezahrai, David Luebke
    NVIDIA Technical Report
    State of the Art in Artistic Editing of Appearance, Lighting, and Material
    Thorsten-Walther Schmidt, Fabio Pellacini, Derek Nowrouzezahrai, Wojciech Jarosz, Carsten Dachsbacher
    Eurographics 2014 - State of the Art Reports (STAR)
    Visibility Silhouettes for Semi-Analytic Spherical Integration
    Derek Nowrouzezahrai, Ilya Baran, Kenny Mitchell, Wojciech Jarosz
    Computer Graphics Forum Journal
    2013
    A Fast and Stable Feature-Aware Motion Blur Filter (TR Version)
    Jean-Philippe Guertin, Morgan McGuire, Derek Nowrouzezahrai
    NVIDIA Technical Report
    Joint Importance Sampling of Low-Order Volumetric Scattering
    Iliyan Georgiev, Jaroslav Křivánek, Toshiya Hachisuka, Derek Nowrouzezahrai, Wojciech Jarosz
    ACM Transactions on Graphics (Proceedings of ACM SIGGRAPH Asia)
    State of the Art in Photon Density Estimation
    Toshiya Hachisuka, Wojciech Jarosz, Iliyan Georgiev, Anton S. Kaplanyan, Derek Nowrouzezahrai
    Courses at ACM SIGGRAPH Asia
    The Shading Probe: Fast Appearance Acquisition for Mobile AR
    Dan A. Calian, Kenny Mitchell, Derek Nowrouzezahrai, Jan Kautz
    Proceedings of Technical Briefs at ACM SIGGRAPH Asia
    Path-Space Manipulation of Physically-Based Light Transport
    Thorsten-Walther Schmidt, Jan Novak, Johannes Meng, Anton S. Kaplanyan, Tim Reiner, Derek Nowrouzezahrai, Carsten Dachsbacher
    ACM Transactions on Graphics (Proceedings of ACM SIGGRAPH)
    Image-Based Reconstruction and Synthesis of Dense Foliage
    Derek Bradley, Derek Nowrouzezahrai, Paul Beardsley
    ACM Transactions on Graphics (Proceedings of ACM SIGGRAPH)
    Filtering Non-Linear Transfer Functions on Surfaces
    Eric Heitz, Derek Nowrouzezahrai, Pierre Poulin, Fabrice Neyret
    IEEE Transactions on Visualization and Computer Graphics (TVCG)
    Filtering Color Mapped Textures and Surfaces
    Eric Heitz, Derek Nowrouzezahrai, Pierre Poulin, Fabrice Neyret
    ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D)

    Winner: Best paper award!

    2012
    The Magic Lens: Refractive Steganography
    Marios Papas, Thomas Houit, Derek Nowrouzezahrai, Markus Gross, Wojciech Jarosz
    ACM Transactions on Graphics - Proceedings of ACM SIGGRAPH Asia
    Featured on Proceedings Back Cover and Papers Fast Forward Video!
    Progressive Virtual Beam Lights
    Jan Novak, Derek Nowrouzezahrai, Carsten Dachsbacher, Wojciech Jarosz
    Computer Graphics Forum (Proceedings of EGSR 2012)
    Featured on Proceedings Back Cover!
    Virtual Ray Lights for Rendering Scenes with Participating Media
    Jan Novak, Derek Nowrouzezahrai, Carsten Dachsbacher, Wojciech Jarosz
    ACM Transactions on Graphics (proceedings of ACM SIGGRAPH)
    Runner-up for Computer Graphics Forum Cover Image Competition!
    Sparse Zonal Harmonic Factorization for Efficient SH Rotation
    Derek Nowrouzezahrai, Patricio Simari, Eugene Fiume
    ACM Transactions on Graphics - to be presented at ACM SIGGRAPH
    A Theory of Monte Carlo Visibility Sampling
    Ravi Ramamoorthi, John Anderson, Mark Meyer, Derek Nowrouzezahrai
    ACM Transactions on Graphics - to be presented at ACM SIGGRAPH
    Learning Hatching for Pen-and-Ink Illustration of Surfaces
    Evangelos Kalogerakis, Derek Nowrouzezahrai, Simon Breslav, Aaron Hertzmann
    ACM Transactions on Graphics - to be presented at ACM SIGGRAPH
    Delta Radiance Transfer
    Bradford Loos, Derek Nowrouzezahrai, Wojciech Jarosz, Peter-Pike Sloan
    ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D)
    Manufacturing Layered Attenuators for Multiple Prescribed Shadow Images
    Ilya Baran, Philipp Keller, Derek Bradley, Stelian Coros, Wojciech Jarosz, Derek Nowrouzezahrai, Markus Gross
    Computer Graphics Forum: Eurographics Conference
    Irradiance Rigs
    Hong Yuan, Derek Nowrouzezahrai, Peter-Pike Sloan
    Journal of Graphics, GPU, and Game Tools
    2011
    A Programmable System for Artistic Volumetric Lighting
    Derek Nowrouzezahrai, Jared Johnson, Andrew Selle, Dylan Lacewell, Michael Kaschalk, Wojciech Jarosz
    ACM Transactions on Graphics (Proceedings of ACM SIGGRAPH)
    Featured on Proceedings Back Cover and in Papers Fast Forward Video!
    Modular Radiance Transfer
    Bradford Loos, Lakulish Antani, Kenny Mitchell, Derek Nowrouzezahrai, Wojciech Jarosz, Peter-Pike Sloan
    ACM Transactions on Graphics - Proceedings of ACM SIGGRAPH Asia
    Featured in Papers Fast Forward Video!
    Progressive Photon Beams
    Wojciech Jarosz, Derek Nowrouzezahrai, Robert Thomas, Peter-Pike Sloan, Matthias Zwicker
    ACM Transactions on Graphics - Proceedings of ACM SIGGRAPH Asia
    Featured in the Proceedings Inside Cover and the Papers Fast Forward Video!
    Wrap Shading
    Peter-Pike Sloan, Derek Nowrouzezahrai, Hong Yuan
    Journal of Graphics, GPU, and Game Tools
    Perceptually-Based Compensation of Light Pollution in Display Systems
    Jeroen van Baar, Steven Poulakos, Wojciech Jarosz, Derek Nowrouzezahrai, Rasmus Tamstorf, Markus Gross
    Proceedings of the 2011 ACM Symposium on Applied Perception in Graphics and Visualization
    Run-time Implementation of Modular Radiance Transfer
    Bradford Loos, Lakulish Antani, Kenny Mitchell, Derek Nowrouzezahrai, Wojciech Jarosz, Peter-Pike Sloan
    ACM SIGGRAPH 2011 Talks
    Light Factorization for Mixed-Frequency Shadows in Augmented Reality
    Derek Nowrouzezahrai, Stefan Geiger, Kenny Mitchell, Robert Sumner, Wojciech Jarosz, Markus Gross
    IEEE International Symposium on Mixed and Augmented Reality (ISMAR)
    2010
    Irradiance rigs (sketch)
    Hong Yuan, Derek Nowrouzezahrai, Peter-Pike Sloan
    ACM SIGGRAPH 2010 Talks
    A Comprehensive Theory of Volumetric Radiance Estimation using Photon Points and Beams
    Wojciech Jarosz, Derek Nowrouzezahrai, Iman Sadeghi, Henrik Wann Jensen
    ACM Transactions on Graphics (TOG) - Presented at SIGGRAPH
    2009
    Fast Global Illumination on Dynamic Height Fields
    Derek Nowrouzezahrai, John Snyder
    Computer Graphics Forum: Eurographics Symposium on Rendering (EGSR)
    Featured on Proceedings Back Cover!
    Data-driven curvature for real-time line drawing of dynamic scenes
    Evangelos Kalogerakis, Derek Nowrouzezahrai, Patricio Simari, James McCrae, Aaron Hertzmann, Karan Singh
    ACM Transactions on Graphics - Presented at SIGGRAPH
    Shadowing Dynamic Scenes with Arbitrary BRDFs
    Derek Nowrouzezahrai, Evangelos Kalogerakis, Eugene Fiume
    Computer Graphics Forum: Eurographics Conference
    Robust statistical estimation of curvature on discretized surfaces
    Evangelos Kalogerakis, Patricio Simari, Derek Nowrouzezahrai, Karan Singh
    Computer Graphics Forum: Eurographics Symposium on Geometry Processing (SGP)
    Multi-objective shape segmentation and labeling
    Patricio Simari, Derek Nowrouzezahrai, Evangelos Kalogerakis, Karan Singh
    Computer Graphics Forum: Eurographics Symposium on Geometry Processing (SGP)
    Extracting lines of curvature from noisy point clouds
    Evangelos Kalogerakis, Derek Nowrouzezahrai, Patricio Simari, Karan Singh
    Journal of Computer Aided Design (CAD)
    2008
    Video Browsing by Direct Manipulation
    Pierre Dragicevic, Gonzalo Ramos, Jacobo Bibliowicz, Derek Nowrouzezahrai, Ravin Balakrishnan, Karan Singh
    Proceeding of the 26th annual conference on Human factors in computing systems (SIGCHI)
    Fast Soft Self-Shadowing on Dynamic Height Fields
    John Snyder, Derek Nowrouzezahrai
    Computer Graphics Forum: Eurographics Symposium on Rendering (EGSR)
    Shadowed Relighting of Dynamic Geometry with 1D BRDFs
    Derek Nowrouzezahrai, Evangelos Kalogerakis, Patricio Simari, Eugene Fiume
    Proceedings of Eurographics Short Papers
    Solving Radiance Transport as a Differential Equation
    Derek Nowrouzezahrai, Chris Gonterman
    Department of Computer Science Tech Report CSRG-588 - University of Toronto
    2007
    Image-Based Proxy Accumulation for Real-Time Soft Global Illumination
    Peter-Pike Sloan, Naga K. Govindaraju, Derek Nowrouzezahrai, John Snyder
    Pacific Conference on Computer Graphics and Applications (PG)
    Eigentransport for efficient and accurate all-frequency relighting
    Derek Nowrouzezahrai, Patricio Simari, Evangelos Kalogerakis, Eugene Fiume
    GRAPHITE ’07: Proceedings of the 5th international conference on Computer graphics and interactive techniques in Australia and Southeast Asia

    Winner: Best paper award!

    Compact and efficient generation of radiance transfer for dynamically articulated characters
    Derek Nowrouzezahrai, Patricio Simari, Evangelos Kalogerakis, Karan Singh, Eugene Fiume
    GRAPHITE ’07: Proceedings of the 5th international conference on Computer graphics and interactive techniques in Australia and Southeast Asia
    2006
    A controllable, fast and stable basis for vortex based smoke simulation
    Alexis Angelidis, Fabrice Neyret, Karan Singh, Derek Nowrouzezahrai
    Proceedings of the 2006 ACM SIGGRAPH/Eurographics symposium on Computer animation (SCA)
    GPU-accelerated ray casting of node-based implicits
    Christian Lessig, Derek Nowrouzezahrai, Karan Singh
    ACM SIGGRAPH 2006 Research posters
    Vortex Based Smoke Simulation and Control
    Derek Nowrouzezahrai
    Master Thesis - University of Toronto
    2005
    High-Performance Double-Precision Cosine Generation
    Derek Nowrouzezahrai, Brian Decker, William Bishop
    Proceedings of the 2005 International Conference on Computer Design

    Academic Service / Responsabilités académiques

    Reviewer for:
  • ACM Transactions on Graphics
  • ACM SIGGRAPH Sketches
  • EUROGRAPHICS Conference
  • Graphics Interface Conference
  • Computers and Graphics
  • High Performance Computing
  • C&G Spec. Ed. on Natural Phenomena
  • Journal of Supercomputing
  • Companies I've worked for… / J'ai anciennement travaillé pour…

    Research in Motion Amazon.com Electronic Arts Canada Microsoft Microsoft Research Redmond Disney Research Zurich
    © Derek Nowrouzezahrai 2005 - 2014