Since November 2025, I am a permanent Inria researcher in Grenoble (France). I work in the CRAFT research group, which studies the computationnal design and fabrication of objects with mechanical functions.
From 2024 to September 2025, I was a post-doc at the Catholic University of Louvain in Louvain-la-Neuve (Belgium), where I worked on injective deformation of meshes in the context of the X-mesh project.
I obtained a PhD from the University of Lorraine under the supervision of Etienne Corman and Dmitry Sokolov. I defended my PhD in December 2023.
Research Interests
- Geometry Processing
- Meshing, remeshing, mesh parametrization
- Neural implicit surfaces and neural distance fields
Contact infos
Email: guillaume DOT coiffier AT inria DOT fr
Address: 655 Avenue de l’Europe, 38330 Montbonnot-Saint-Martin, France
[Since Nov. 2025] Permanent Researcher (“Chargé de recherche”)
Inria, Grenoble Alpes University, Montbonnot Saint-Martin, France
CRAFT research team: computationnal design of objects with mechanical functions.[Jan. 2024 - Sep. 2025] Post-doc / Research Assistant
Université Catholique de Louvain, Louvain-la-Neuve, Belgium
Meshing sharp physical interfaces in finite element simulation
Member of the X-mesh team lead by Jean-François Remacle and Nicolas Moës[Sep. 2020 - Dec. 2023] PhD Student
LORIA, University of Lorraine, Nancy, France
Global parametrization algorithmes for quadmeshing
Supervisors: Dmitry Sokolov and Etienne Corman
Thesis defended on December 6th, 2023[Jan. 2020 - June 2020] Research internship
IMT Atlantique, Brest, France
Automatic Architecture Search for Deep Neural Networks
Supervised by Vincent Gripon[Oct. 2019 - Dec. 2019] Research internship
LORIA, University of Lorraine, Nancy, France
Constrained mesh fitting on 3D point clouds
Supervised by Dmitry Sokolov and Nicolas Ray[Feb. 2020 - July 2020] Research internship
LIRIS, INSA de Lyon, Lyon, France
Deep neural network simplification using pattern mining approaches
Supervised by Marc Plantevit, Stefan Duffner and Céline Robardet[May 2018 - July 2018] Research internship
CHYN, Université de Neuchâtel, Suisse
Constrained 3D synthesis out of 2D examples using Generative Adversarial Networks
Encadré par Philippe Renard[May 2017 - June 2017] Research internship
Inria, Grenoble Alpes University, Montbonnot Saint-Martin, France
Congestion games and Wardrop equilibria
Supervised by Corinne Touati
[2020-2023] PhD, Global Parametrization Algorithms for Quadmeshing – LORIA, Université de Lorraine, Nancy, France – Under the supervision of Dmitry Sokolov and Etienne Corman
[2016-2020] Ms Student in Computer Science – École Normale Supérieure de Lyon, Lyon, France
[2013-2016] French “Preparatory classes”, Mathematics-Physics-Computer Science – Lycée Henri Wallon, Valenciennes, France
International conferences
The Method of Moving Frames for Surface Global Parametrization SIGGRAPH 2024
1-Lipschitz Neural Distance Fields, Symposium on Geometry Processing 2024 [Video] 🏆 Best Paper Award
3D Geological Image Synthesis from 2D Examples Using Generative Adversarial Networks, Petroleum Geostatistics 2019 [Abstract]
National (French) conferences and workshops
Fast practical untangling of simplicial P2 and P3 curvilinear meshes, Groupe de Travail en Modélisation Géométrique 2026, Paris, Mars 20th, 2026
Robust Neural Distance Fields using 1-Lipschitz Neural Networks, Rencontres des jeunes chercheurs du groupe de travail en modélisation géométrique, Marseille, Mars 27, 2024 [Slides] 🏆 Best Presentation Award
The Method of Moving Frames for Surface Global Parametrization, Journées Françaises de l’Informatique Graphique, Montpellier, November 10th, 2023 [Slides]
Ajustement de surfaces paramétriques sur nuages de points, Journées Françaises de l’Informatique Graphique, Nancy (online), November 25th, 2020 [Video] 🏆 2nd Best Paper Award
Seminars and presentations
- Improving geometrical data structures under fixed memory budget, talk at Inria Grenoble, France, November 27th, 2024
- Improving geometrical data structures under fixed memory budget, talk at LIRIS, Lyon, France, November 8th, 2024
- Parametrization algorithms for quad-remeshing, talk at XLIM, Limoges, France, February 28th, 2024
- Parametrization algorithms for quad-remeshing, talk at LIS, Marseille, February 16th, 2024
- Parametrization algorithms for quad-remeshing, talk LIB, Dijon, February 8th, 2024
- Parametrization algorithms for quad-remeshing, talk at MEMA, Catholic University of Louvain, Belgium, November 16th, 2023
- Cartan’s method of moving frames for surface parametrization, French annual meeting of young researchers in geometry, Paris, France, October 27th, 2023
- Towards Global Parametrization in a single optimization, FRAMES Workshop, Nancy, France, August 24th, 2023
- Computing Valid Global Seamless Parametrizations in 2D and 3D, FRAMES Workshop, Bern, Switzerland (online), December 6th, 2021
See the list of publications or Google Scholar
[2024-2025] Lecturer, École Polytechnique de Louvain
[2022-2023] Teaching Assistant, École des Mines de Nancy
- Programmation and Data Structures
- Operational Research
- Algorithms and Complexity
[2020-2022] Teaching Assistant, Faculty of Sciences and Technology, Nancy, France
- Algorithms and programmation in Python
- Coding Project: Video game in C
- Automata, Grammars and Languages
- Optimization, Operational Research
[2018-2021] Advisor for the boot camp Girls Can Code!, Lyon, France
I take part in Inria’s program Chiche! whose goal is to make each French high school student meet a computer scientist. With this program, I’ve met a dozen of classes in high schools of eastern France between 2021 and 2023.
In 2022, I participated in the international French-speaking contest of popular science Ma thèse en 180 secondes, where I got the second best prize of the University of Lorraine for my talk. [Video]
During my PhD, I was also involved in a number of events, including the “Fête de la science” in 2022 and 2023 and the European Researchers Night in 2022. In 2023, I also gave a general public conference about geometry processing and maps in High School Louis Vincent in Metz [Video].
Best paper award for 1-Lipschitz Neural Distance Fields, Symposium on Geometry Processing, 2024
2nd best paper for Ajustement de surfaces paramétriques sur nuages de points (Video), JFIG 2021