Background and activities

Research focuses:

  • 3D city modeling (digital twins)
  • Laser Scanning
  • Photogrammetry
  • Spatial data mining and knowledge discovering by using crowdsourcing data


  • 2022-2024: Hellios: Enhancing optimal exploitation of solar energy in Nordic cities through the digitalizaiton of the built environment. Funded by the Norwegian Research Council, participation as WP leader. 
  • 2021-2022: Data-driven decision support for renewable energy and infrastructure development: A GIS-based approach, Regionalt Forskningsfond Trøndelag (RRF, Regioinal Research Council in Trøndelag), Project leader
  • 2021-2025: Deep learning-based approach for automated reconstruction of 3D building models with semantic information, funded by NTNU Enabling Technologies (NTNU Digital). PI
  • 2020-2021: Parsing and modeling urban context information for the purpose of
    automated 3D reconstruction, Granted by the Norwegian Research Council (project number: 313552), PI
  • 2019-2021:Modellverktøy for digital kommunikasjonsinfrastruktur langs veg, NRC, collaboration (workpackage) with SINTEF
  • 2017-2020: Exploring coherent relations of semantics and geometries of 3D buildings. NSFC (No: 41771484). PI
  • 2016-2018: A framework for fitness for purpose for the quality assessment of OSM. German Science Foundation (DFG project No. 314644317). PI
  • 2011-2014: Event detection and visualization from VGI data. TUM IGSSE Project. Co PI

  • 2012-2014:  Extracting LoDs for 3D buildings in street view based on visual salience. NSFC (project No: 41101443). PI

Scientific, academic and artistic work

Journal publications