Guillaume Touya

6-8 Avenue Blaise Pascal · 77455 Marne la Vallée CEDEX 2 · (+33)6 89 71 61 97 · guillaume.touya@ign.fr

Senior researcher in GI Science, geovisualization, and map generalization.

Member of the MEIG research team, PI of the LostInZoom ERC project

Research Interests

Automated map generalisation
Multi-agent systems for map generalisation
Volunteered Geographic Information (VGI)
Interactions in multi-scale maps
Scale and LOD issues in geovisualization
Automated cartography: text placement, schematization, conflation

News

Newsfeed

01/09/2022: We received the 2nd Best Poster award at AGILE 2023 for our work on the MapDraw tool. Check out the paper and the poster and the tool itself. #LOSTINZOOM.
01/09/2022: Two new papers co-authored with Jakub Wabiński and Albina Mościcka on map generalisation for tactile maps have been published in the Cartographic Journal and CaGIS. #ACTIVMAP.
01/05/22: LostInZoom recruits two PhD students (offer 1 and offer 2).
19/05/2022: I give an invited talk at the CompCarto2002 workshop in Bonn, on the connections between map generalisation and computational cartography.
01/07/21: I organise a workshop on benchmarks for map generalisation prior to ICC'21 in December in Florence, Italy. Submit your benchmark data before 15th September. Read more here.
01/02/21: I am now a research fellow at CRENAU research team from AAU lab in Nantes.
09/12/20: I received an ERC Consolidator Grant 2020, for the project LostInZoom. #ERCCoG.

Experience

Past jobs and roles in research

  • 10-09-2004

    Research assistant

    I start working at IGN France as a research assistant in the COGIT research team, assisting Cécile Duchêne and Anne Ruas on map generalisation.

  • 01-01-2008

    PhD student

    My PhD, obtained in June 2011, was supervised by Cécile Duchêne and Anne Ruas, and dealt with collaborative map generalisation.

  • 01-07-2011

    Senior researcher at COGIT research team, IGN

    After my PhD, I become a senior researcher, still in COGIT team, at IGN France. I'm part of the group on automated cartography and geovisualization.

  • 04-05-2017

    Habilitation defense

    Defense of my habilitation (HDR) in GI science, which allows in France to be the main supervisor of PhD students.

  • 15-07-2017

    Head of COGIT research team

    I take over the leadership if the COGIT research team from Sébastien Mustière.

  • 01-09-2018

    Vice-head of LASTIG lab

    I become the vice-head of the new LASTIG lab.

  • 01-04-2021

    LostInZoom project

    With the start of the LostInZoom. project, I become the fulltime Principal Investigator of the project.

Education

Paris-Est University

Habilitation (HDR)
Geographical Information Science
May 2017

Paris-Est University

Thèse en Sciences de l'information géographique
January 2008 - June 2011

ENSG

Engineering school
Geographical Information Science
September 2001 - September 2004

Paris-Est University

Master in Geographical Information Science
September 2003 - September 2004

Publications

Journals
Conferences
Books and Chapters
Workshops and Posters
Other Publications (Technical Reports, Dissertations, Dissemination)

Invited Talks

Projects

On-going and past research projects

LostInZoom

ERC Consolidator Grant (2021-2026)

ACTIVmap

Collaborative project with LIMOS (Clermont-Ferrand) and IRIT (Toulouse) funded by an ANR grant. Starts on 01/01/2020.

UrbaRiskLab

Project from ISITE FUTURE on risks and crisis management involving multiple research disciplines.

MapMuxing

Collaborative project with INRIA and GRED (Montpellier), funded by an ANR grant (2014-2019), on cartographic multiplexing. I was the project leader.

TimeMachine

The Time Machine Project joins Europe's rich past with the future of digital breakthroughs, creating a living resource that allows you to travel not only through space, but through time.

Other research activities

Software development

CartAGen

Open source Java library for map generalization

GeOxygene

Open source Java library research on geographic information.

DeepMapGen

Open source Python library for deep learning based map generalization.

CartAGen4Py

Python port of the CartAGen library for map generalization.

Other research activities
PhD and post-doc Supervisions
  • Jean-François Girres (Post-doc, 2012-2013)
  • Adrien Maudet (PhD, 2016), co-supervised with Cécile Duchêne (LASTIG) and Sébastien Picault (CRISTAL, Lille)
  • Jérémie Ory (Post-doc, 2017-2018)
  • Marion Dumont (PhD, 2018), co-supervised with Cécile Duchêne (LASTIG), PhD award 2019 from MAGIS CNRS
  • Quy Thy Truong (PhD, 2020), co-supervised with Cyril de Runz (LIFAT, Tours)
  • Azelle Courtial (PhD, 2023), co-supervised with Xiang Zhang (Wuhan University, China)
  • Jérémy Kalsron (PhD), co-supervised with Jean-Marie Favreau (LIMOS, Clermont-Ferrand)
  • Maïeul Gruget (PhD), co-supervised with Ian Muehlenhaus (University of Wisconsin-Madison, USA)
  • Quentin Potié (PhD), co-supervised with William Mackaness (University of Edinburgh, UK)
  • Sylvain Galopin (PhD), co-supervised with Freddie-Jeanne Richard (EBI, Poitiers)
  • Bérénice Le Mao (PhD)
Internship and student project Supervisions
  • Bérénice Le Mao (2022), user surveys for multi-scale cartography of earthquakes, co-supervised with Samuel Auclair (BRGM) and Jean-François Girres (Univ Montpellier 3)
  • Ridley Campbell (2021), online GIS platform to design tactile maps
  • Thileli Hadjeb (2021), multi-scale cartography of earthquakes, co-supervised with Samuel Auclair (BRGM) and Jean-François Girres (Univ Montpellier 3)
  • Walid Houfaf-Khoufaf, Chloé Marcon, Alex Van Hecke (2020), spatio-temporal visualization of local COVID-19 data
  • Achraf El Ayedi (2019), deep learning for mountain roads generalisation
  • Hugo Boulze, Anouk Schleich (2018-2019), derivation of contour lines from a DTM in karstic plateaus
  • Valentin Hue, Priscillia Labourg (2018-2019), deep learning experiments for building generalisation
  • Matthieu Dufait (2017), anonymization of OpenStreetMap data, co-supervised with Arnaud Le Guilcher
  • Justin Berli (2016), experiments on the distribution of map generalisation processes, co-supervised with Imran Lokhat and Nicolas Regnauld
  • Blandine Decherf, Mayeul Lalanne (2015-2016), clutter measures for maps
  • Matthieu Baley (2013), LOD Harmonisation of OpenStreetMap data
  • Camille Delahaye (2010), Sensitivity analysis of map generalisation processes to the way urban areas are delineated
  • Aurélien Velten (2007), 3D building generalisation
  • Nicolas Culson (2006), Highway interchange detection and generalisation
Reviewing
Awards