Laurent Cohen

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Laureat 2009 du Grand Prix EADS de l'Academie des Sciences
IEEE Fellow 2010 for contributions to computer vision technology for medical imaging


Postdoc : Open positions. Contact me.


Directeur de Recherche au CNRS
Universite Paris Dauphine
Place du Marechal de Lattre de Tassigny
75775 Paris cedex 16, France
Tel. (33-1) 44 05 46 78 Fax (33-1) 44 05 45 99
Cohen@ceremade.dauphine .fr

Research area and fields of interests

Video Conference in Cambridge: Geodesic Methods for interactive segmentation using Finsler Metrics. Invited lecture at Newton Institute, Cambridge, UK, September 2017

VIDEO de la conference Horizon Maths Decembre 2015 sur les methodes geodesiques pour la segmentation d’images medicales.

VIDEO of Talk given at Newton Institute in Cambridge, August 2011 on Geodesic Methods for Biomedical Image Segmentation.

Keynote given at Technion in June 2011.

Talk given at College de France. January 2009

An overview of our work on Geodesic Methods in Computer Vision and Graphics (200 pages book)

An overview of my work on geodesics December 2008

An overview of my work on minimal paths December 2004

Article sur les chemins minimaux dans la revue SPM du CNRS, pages 15--16, Decembre 2003.

Some videos of Virtual Endoscopy

Some (old) examples in Images
Working on different problems involving
Variational Methods and Partial Differential Equations for
Image Analysis and Computer Vision, like
Deformable Models, Snakes, Minimal Paths, curve and surface Reconstruction,
Image Segmentation and Restoration.




PhD Students (date is for PhD defense)

  • Work in Progress: Nicolas Makaroff

  • Work in Progress: Theo Bertrand

  • Work in Progress: Changqing FU

  • June 21st, 2021: Raphael Groscot, Structure-aware learning for 3D shapes. Représentations séparables de formes 3D pour le traitement de formes.
    Separable 3D Shape representation for shape processing.

  • August 28, 2019:  Liu Li,  Geodesic metrics approach and its application in retinal image processing. Nanjing Southeast
    University, China

  • December 19th, 2018, Emmanuel Cohen, Cartographie, analyse et reconnaissance des réseaux vasculaires par Doppler ultrasensible. Analysis of Ultrafast Ultrasound Images

  • July 3rd, 2018, Abraham Marciano, méthodes de recalage pour des images de radiographie industrielle. Analysis of industrial radiography
  • October 4th, 2018, Qichong Tian, Color Correction and Contrast Enhancement for natural Images and Videos. Histogram methods. Sun Yat-sen University Cancer Center and Shenzhen Longhua District Central Hospital.

  • September 14th, 2017, Fang Yang, Finding Contours in Images Using Geodesic Lines and Field Lines. Geodesics in Heat. Currently in China.

  • September 27th, 2016, Chen Da, Nouveaux modèles de chemin minimal pour l'extraction de structures tubulaires et la segmentation d'images, Geodesic methods with different kinds of metrics. Application to Retinal Vascular tree segmentation. Currently in Posdoc at Ceremade.

  • September 17th, 2013, Jean-Baptiste Fiot, Manifold learning and Brain Imaging related to Alzheimer.Currently at IBM.

  • October 21st, 2013, Raphael Prevost, Deformable models, Shape Learning and Kidney segmentation. Currently at ImFusion.

  • work in progress, Jose-Alberto Iglesias-Martinez, Geodesic Voting.

  • September 16th, 2013. Prasenjit Saha, geodesic methods

  • September 10th, 2009. Adrien Auclair. Fast methods for finding closest SIT neighbors: Application to Image retrieval and contributions to multiview 3D reconstruction.

  • February 4th, 2009, Oudom Somphone. Image Registration by Finite elements and partition of unity (meshless)- Applications to medical Imaging. Currently at Philips

  • December 17th, 2009, Fethalla Benmansour. Minimal paths in biomedical images: Segmentation of tubular structures and surfaces using Anisotropic Fast Marching and detection of key points. Postdoc at EPFL.

  • December 18th, 2006. Stephane Bonneau. Minimal paths and applications in biologic images

  • December 15th, 2005. Valerie Moreau.

  • November 24th, 2005. Pablo Arbelaez. A metric approach to Image Segmentation. University of Berkeley.

  • March 17th, 2005. Roberto Ardon. Segmentation of surfaces in 3D images using minimal paths. Currently at Philips

  • April 2002. Samuel Vinson, Detection of Buildings in Aerial Images using Variational Methods, at EADS, Matra Systemes et Information. Currently at Sagem.

  • December 2001. Thomas Deschamps, Fast Marching and Minimal Paths in 3D images and applications to Virtual Endoscopy and Segmentation. List of publications that correspond to the PhD Thesis work of Thomas Deschamps in the Medical Imaging Systems Group (MEDISYS) of Philips Research Laboratories Paris/LEP. Currently at Lawrence Berkeley Laboratory.

  • November 1998. Martin Lefebure, Image Registration, Optical Flow and local Rigidity. Creator of Realeyes3D.

  • May 1998. Zakaria BenSbeh, Geodesic Dilatation in Mathematical Morphology and Application to Image Segmentation in Ophtalmology.

  • June 1996. Bertrand Leroy, Face Recognition using deformable models. List of Publications with Bertrand Leroy.

  • December 1995. Eric Bardinet, Deformable Superquadrics and Motion Analysis of the Heart, Active Regions. List of publications with Eric Bardinet and Nicholas Ayache and abstracts that correspond to the PhD Thesis work. Eric Bardinet, is with the EPIDAURE project.

  • June 1992. Isaac Cohen, Deformable Models in 2D and 3D, Application to Medical Images. List of Publications with Isaac Cohen. Isaac Cohen is now Research Assistant Professor, Computer Science at USC.

Editorial Activities, Programme Committee

Journals (Editorial Board)

Conferences (Program Committee)

Working Groups GDR/GT