Guillaume Touya (Dr, Habil.)

At COGIT team since 2004

Phone : 33 1 43 98 62 37

Contact : guillaume.touya(at)ign.fr

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Senior researcher
Research Action on géovisualisation

Research topic :

  • Cartographic generalisation, and particularly, the automatic orchestration of generalisation processes for the derivation of complete maps.
  • Network generalisation (road, river network...).
  • Automation of cartographic processes : map and database generalisation, label placement, map legibility assessment, conflation, spatial analysis.
  • Modelling spatial relation in automated mapping environments.
  • Analysis of OpenStreetMap and VGI data.

Education :

PhD in gis defended in 2011 (Université Paris-Est):
Management of a multi-model process to generalise heterogeneous geographical spaces
Supervised by Anne Ruas, co-supervision : Cécile Duchêne

- Download the PhD thesis (in French)

  • ITGCE in ENSG
  • DEA GIS

Professional experience :

  • 2004-2005: In charge of studies at COGIT laboratory of IGN:
    Integration of Carto DB and Topo DB with automatic generalisation: until which point can we generalise automatically a Carto DB equivalent from Topo DB.
  • 2006-2007 : Research on geographical networks selection by database generalisation (implementing models and algorithms).
  • 2011-2013 : In charge of a defense R&D project called "PEA REP".
  • depuis 2013 : In charge of the research team on cartography
  • depuis 2014 : Leader of the MapMuxing research project.

Habilitation defended in 2017 (Université Paris Est):
Towards Automated Map Creation
Supervised by
- Download the ASR thesis

Skills :

Geographic sciences

  • GIS
  • Cartography
  • Geographic DB management
  • Spatial analysis
  • Automatic generalisation

Computer sciences

  • Algorithmic, programming
  • Modeling, UML
  • DBMS

Publications :

- All publications of Guillaume Touya

PhD supervision in progress :

  • Direction of Sébastien Biniek
    Parametric and programmatic typography for dynamic and multi-representations cartography.
    (Université de Paris-Est Marne-La-Vallée)
  • Co-supervision of Marion Dumont
    Cartographic Generalisation of Intermediate Scales in a Scale Pyramid
    (PhD directed by Cécile Duchêne, Université Paris-Est)
  • Direction of Quy-Thy Truong
    VGI contribution assessment: trust, credibility and vandalism.
    (Université de Paris-Est Marne-La-Vallée)

Finished PhD supervision :

  • Co-supervision of Adrien Maudet
    Multi-levelling interactions in a generalisation model
    (PhD directed by Cécile Duchêne, Université Paris-Est)
    Defended in 2016

Technical and scientific associations :

  • Co-chair of the "VGI and crowdsourcing" group of French association GDR MAGIS.
  • Involment to the European project EuroSDR about automatic generalisation.
  • French correspondant of the ICA Generalisation commission
  • Committee Member of COST Action IC1203 ENERGIC

Supervised internships :

  • 2016 :
    By Justin Berli (Master 2 Géographie et Aménagement: spécialité Eau, Cartographie et Géomatique, Université d'Orléans)
  • 2013 : Harmonization of the level of detail for mapping at different scales - Application to OpenStreetMap
    By Mathieu Baley (ESGT)
  • 2010 :
    By Camille Delahaye (master 2 Pro Géomatique, Université Paris 8 - St Denis)
  • 2007 : Development of an algorithm for automated generalisation of 3D buildings
    By Aurélien Velten (Master SIG, Université de Marne-La-Vallée)
  • 2006 : Detection and generalisation of roads interchanges
    By Nicolas Culson (Master ASIG, Université Marne-La-Vallée)

Teaching given at COGIT :

  • Graphs and greographic networks,
    M2 SIG et Géorisques, Université Marne-la-Vallée. Since 2008.
  • Generalisation automation,
    Cycle SIGCC, ENSG. Since 2005.
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