Stéphane Guinard
PhD Student in lasergrammetry, point-cloud processing and simplification.
Member of the ACTE research team
News
Plane pursuit
Piecewise-planar segmentation of large 3D data as graph-structured optimization.
Simplicial complexes reconstruction
We use the simplicial complexes (sets of triangles, edges and points) to improve the reconstruction of 3D laser point cloud. This work is based on the local geometry of the sensor.
Segmentation-based Classification
Experience
Past jobs and roles in research
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Feb. 2017 -
PhD Student - LaSTIG / IGN - Saint-Mandé, France
I am doing my PhD thesis on simplicial complexes reconstruction from laser scanning data. I am supervised by Bruno Vallet, and working with Loïc Landrieu and Laurent Caraffa.
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May 2019 - June 2019
Invited researcher - ICGC - Barcelona, Spain
I worked on roof detection and simplification for solar panels investigation. This is part of the Volta project.
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Dec. 2016 - Feb. 2017
Research Engineer - MATIS / IGN - Saint-Mandé, France
I investigated the use of segmentation techniques to improve the classification of 3D point clouds. This work was under the supervision of Bruno Vallet and Loïc Landrieu.
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Apr. 2016 - Sep. 2016
Intern - MATIS / IGN - Saint-Mandé, France
I investigated the use of segmentation techniques to improve the classification of 3D point clouds. This work was under the supervision of Bruno Vallet and Loïc Landrieu.
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May 2015 - Aug. 2015
Intern - IFP - Stuttgart, Germany
I worked on vegetation filtering in 3D LiDAR point clouds acquired inside Mayan cities. I also worked on images projections on DSMs. This work was supervised by Norbert Haala, and I was working with Susanne Becker and Chance Coughenour.
Education
Université Paris-Est
Ecole Nationale des Sciences Géographiques
Publications
Other research activities
- Python for beginners
- Documentation and Testing in Python
- Exception Handling in Python
- Oriented-Object Programming
- Zoumana Mallé (Intern, 2018), co-supervised with Bruno Vallet (LaSTIG) and Pascal Monasse (IMAGINE). This internship was part of the BIOM project.