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I'm a 4th year PhD student under the supervision of Fabrice Neyret.
Research themes
I work on problems related to computer graphics and I am especially interested in photo-realistic and physically-based rendering. One of the main goals of my work is to improve the efficiency of rendering by simplifying details that are smaller than pixels or that are unnecessary for other reasons (out of frustum, hidden, out of focus). I design new tools for simplifying complex 3D assets while preserving their appearance in rendered images (level of detail (LoD)). For example, I work on methods that allow for replacing heavy 3D meshes (e.g. trees) by lighter representations so that there are no differences in final images.
Interests: rendering, phase functions, LoDs, sampling, mesh simplification, texture filtering, optics, volumetric models, path tracing, aliasing
Recent publications
2020
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- auteur
- Guillaume Loubet, Tizian Zeltner, Nicolas Holzschuch, Wenzel Jakob
- titre
- Slope-space integrals for specular next event estimation
- article
- ACM Transactions on Graphics, 2020, 39 (6), pp.1-13. ⟨10.1145/3414685.3417811⟩
- DOI
- DOI : 10.1145/3414685.3417811
- Accès au texte intégral et bibtex
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2019
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- auteur
- Guillaume Loubet, Nicolas Holzschuch, Wenzel Jakob
- titre
- Reparameterizing Discontinuous Integrands for Differentiable Rendering
- article
- ACM Transactions on Graphics, 2019, 38 (6), pp.228:1 - 228:14. ⟨10.1145/3355089.3356510⟩
- DOI
- DOI : 10.1145/3355089.3356510
- Accès au texte intégral et bibtex
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2018
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- auteur
- Guillaume Loubet
- titre
- Efficient models for representing sub-pixel appearances
- article
- Graphics [cs.GR]. Université Grenoble Alpes, 2018. English. ⟨NNT : 2018GREAM033⟩
- Accès au texte intégral et bibtex
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-
- auteur
- Guillaume Loubet, Fabrice Neyret
- titre
- A new microflake model with microscopic self-shadowing for accurate volume downsampling
- article
- Computer Graphics Forum, 2018, 37 (2), pp.111-121. ⟨10.1111/cgf.13346⟩
- DOI
- DOI : 10.1111/cgf.13346
- Accès au texte intégral et bibtex
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2017
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- auteur
- Guillaume Loubet, Fabrice Neyret
- titre
- Hybrid mesh-volume LoDs for all-scale pre-filtering of complex 3D assets
- article
- Computer Graphics Forum, 2017, 36 (2), pp.431--442. ⟨10.1111/cgf.13138⟩
- DOI
- DOI : 10.1111/cgf.13138
- Accès au texte intégral et bibtex
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Curriculum Vitae
My CV: CV.pdf
2014-2018: PhD candidate at Univ. Grenoble Alpes
April 2018: We won the Günter Enderle Best Paper Award with our paper "A new microflake model with microscopic self-shadowing for accurate volume downsampling" at the Eurographics 2018 conference.
2017 (October-December): Intern at the Walt Disney Animation Studios (Burbank, CA, USA). I worked on automated LoDs for production assets.
2015 (July-August): I worked at Weta Digital (Wellington, NZ) in the team in charge of LoDs for production.
2011-2014: student at the ENSIMAG, master degree in mathematics, modeling, image processing and simulations.
2014: master degree thesis with Fabrice Neyret on real-time galaxy and dust clouds rendering (local model for single scattering, appearance of heterogeneous dust clouds, procedural noises).
Other models on Shadertoy : Cloud enlighting
2013: 3 months internship at the SurgiQual Institute. I worked on visualization of medical data on tablets.
2011: 6 week internship at the instituto de investigaciones marinas, in Vigo, Spain.
2009-2011 : student at the prepa des INP
Personal area
About the red-eye effet (in French): Flash, red eyes and yellow eyes
About polarisation (in French but video and figures): Circular polarization and 3D glasses
About modeling: Modeling Carcassonne
Modeling a strange cinema in Grenoble: Les secrets de La Nef
Some personal work (Blender, Gimp, Inkscape and photography, more in my blog ) :
time-lapse videos of clouds (Grenoble):
I was a student in the Grenoble Music School as a pianist until 2016.
