2015-: Facebook
    • Research scientist at Facebook Artificial Intelligence Research


2013-2015: IFP Energies Nouvelles
    • Research engineer in signal and image processing.


2011-2013: New York University
    • Post-doc at the Courant Institute of Mathematical Science with Prof. Yann Lecun. Combining graph-based approaches and learning methods for object recognition in scenes.


• 2008-2011 : Université Paris Est
    • PhD in Computer Science under the supervision of Profs. Laurent Najman and Hugues Talbot.
    • Discrete optimization for image processing: Resolution of partial differential equations in graphs, with applications to image segmentation, denoising, 3D reconstruction.
    • Scholarship from DGA/CNRS, the research arm of the French department of defense: scholarships attributed competitively.
• 2008 : ESIEE Paris

    • Engineering degree at ESIEE, France, a university of Computer Science and Electronic engineering, graduated as valedictorian.
• 2008 : Université Paris Est

    • Research Master degree in Computer Science at the UPE (Paris-Est University), specialized in Imaging, in addition to studies at ESIEE. Graduation with honors.
• 2006 : Université Paris Est

    • Licence d'informatique (BSc Computer Science), awarded with merit.
2006 : Université Pierre et Marie Curie, Paris

    • Licence de Mathématiques , equivalent to BSc Maths in addition to studies at ESIEE.
2003 : Baccalauréat S
    • Equivalent to English A-levels in pure maths and physics, Awarded with merit.

Honors and Awards

EADS fundation PhD award
    • February 2013 : Best inter-disciplinary (Maths and Computer Science) PhD thesis award (5000 €).
Accessit Gilles Kahn PhD award
    • February 2013 : Second price for best PhD thesis in Computer Science (500 €).
CVPR doctoral symposium scholarship
    • June 2011 : Scholarship ($ 1000) awarded to best graduating students.
Best graduating students scholarship
    • December 2007 : Scholarship (4000 €) awarded to best graduating students.
ESIEE Innovation award
    • June 2006 : "Virtual Joystick": project in image analysis (motion detection) with two schoolmates from ESIEE. Innovation award (1200 €) attributed to the best student ESIEE project among 150 others.

Work Experience

2008-current : ESIEE Paris
    • Teaching assistant to BSc and Master students in optimization, C programming, operating systems, set theory, graph theory and algorithmics courses.
March-Sept 2008 : Siemens Corporate Research, Princeton, USA
    • Addition of topological constraints to minimal surfaces computation - study of discrete minimal surfaces problem related to medical imaging.
April-July 2007 : Pitié-Salpêtrière Hospital, Paris
    • Cognitive Neurosciences and Cerebral Imaging Laboratory (LENA, CNRS). Software design of a tridimentionnal brain atlas, implementation of image registration algorithms.
Sept-Oct 2006 : DGA, French department of defense, Arcueil
    • Improved the Human/Machine interface on a robotic platform, implementation of skeletonization algorithms.


    • Graph Theory, Discrete Geometry, Convex Optimization, Mathematical Morphology, Topology, Computer Graphics.
Software languages
    • C/C++, Matlab, Qt, Latex, Scilab, Python

Professionnal activities

    • Implemented the Power Watershed Algorithm (C/C++ Code) available freely at This software package provides implementation of various algorithms for 2D and 3D image segmentation.
Reviewer for journals and conferences
    • IEEE Transactions on Image Processing (TIP), IEEE Transactions on Pattern Analysis and Machine Intelligence (TR-PAMI), Journal of Mathematical Imaging and Vision (JMIV), Pattern Recognition Letters (PRL), Image and Vision Computing (IVC), ACM Transactions on Graphics.
    • CVPR 2013 et Eusipco 2012

Invited Seminars

• Laboratoire d'Informatique de l'Ecole Normale Superieure (CNRS/ENS/INRIA), Willow Project team, November 4th, 2009.
• Siemens Corporate Research, Princeton NJ, October 8th, 2010.
• Telecom Paristech, Seminar GDR ISIS "Learning and sparsity", November 10th, 2010.
• 27 janvier 2011: GREYC, Université de Caen.
• 15 mars 2011: LAGA, Université Paris 13.
• 19 mars 2012: A2IA (Artificial Intelligence & Image Analysis), Paris.
• 8 octobre 2012: IMS, Bordeaux.
• 10 octobre 2012: Gipsa-lab, Grenoble.
• 7 fevrier 2013: INRIA, Sophia Antipolis
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