CNRS, LTCI UMR 5141, TELECOM ParisTech

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Hichem Sahbi, PhD

 

Current Position
CR1 CNRS Researcher, LTCI, CNRS, (TELECOM ParisTech)

Address, LTCI UMR 5141 - CNRS 46 rue Barrault,
75013 Paris , France

TELECOM ParisTech

Voice: (+33) 1 45 81 73 82
Fax: (+33) 1 45 81 37 94
Email: sahbi (at) enst.fr

Positions and Visits
07-Now CR1 CNRS Associate Professor at LTCI Lab, TELECOM ParisTech, France.
06-07 Senior Research Associate at ENPC (as Chargé de Recherche), Certis Lab, ENPC (joint with ENS-ULM and INRIA-Sophia) , France.
05-06 Research associate at the Machine Intelligence Lab , Cambridge University, UK.
04-05 Research assistant at INRIA-Rocquencourt, France.
03-04 Post doctoral fellow at the Fraunhofer Gesellschaft (GMD Institute), Darmstadt, Germany.
00-03 PhD. Candidate with professor Donald Geman , INRIA Rocquencourt, France (defense 07 April 03.)
01-02 Invited visiting PhD student at the Center for Imaging Science, Johns Hopkins University (December 2001 and September 2002)
09 Invited visiting associate professor at the Institute of Automation, Chinese Academy of Science, Beijing, China (October 2009)

Research Interest

Applications

Selected Publications (Computer Vision and Machine Learning since 2006)

  • H. Sahbi and D. Geman. A hierarchy of support vector machines for Face detection. Journal of Machine Learning Research (JMLR), Volume 7, 2087--2123, October, 2006.
  • H. Sahbi. Kernel PCA for Similarity Invariant Shape Recognition. Journal of Neurocomputing, Volume/Issue 70/16-18 pages 3034-3045, November 2007.
  • H. Sahbi, J-Y. Audibert, J. Rabarisoa and R. Keriven. Robust Matching and Recognition using Context-Dependent Kernels In the proceedings of International Conference on Machine Learning (ICML), July 2008.
  • H. Sahbi, P. Etyngier, J-Y Audibert and R. Keriven. Manifold Learning using Robust Graph Laplacian for Interactive Image Retrieval In the proceedings of IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2008.
  • H. Sahbi, J-Y. Audibert, J. Rabarisoa and R. Keriven. Context-Dependent Kernel Design for Object Matching and Recognition In the proceedings of IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2008.
  • H. Sahbi, J-Y Audibert, J. Rabarisoa and R. Keriven. Object Matching and Recognition Using Context Dependent Similarity Kernels (Best Regular Paper Award by Queen's Marry University of London) In the proceedings of IEEE Workshop on Content Based Multimedia Indexing (CBMI) , June 2008.
  • H. Sahbi, J-Y Audibert and R. Keriven. Graph-Cut Transducers for Relevance feedback in Content Based Image Retrieval In the proceedings of the International Conference on Computer Vision (ICCV), October 2007.
  • All Publications

SOFTWARES and Databases (NEW)

Projects

  • ANRs et International : Learning and Pattern Recognition
  • ANR SURF (2006-Now): Statistical Learning.
  • AGILE-DARPA (past project): speech and statistical machine translation (Partners Cambridge U, BBN, ISI, LIMSI, IBM, Stanford, JHU, Edinbrugh,...).
  • Sagem (past project): mental face retrieval.
  • MediaWorks (past project): face indexing and retrieval in video.

Recent Activities and Memberships

  • PC member of IEEE Computer Vision and Pattern Recognition (CVPR 2009, 2010), European Conference on Computer Vision (ECCV 2010).
  • PC member of the European Conference on Machine Learning (ECML 08).
  • PC member of RFIA 08 (Reconnaissance des Formes et Intelligence Artificielle).
  • PC member of SPPRA 09,2010.
  • Program Chair of SPPRA 2010 (Signal processing Pattern Recognition and Applications).
  • Session Chair at IEEE International Conference on Image Processing (ICIP 2009).
  • Reviewer in many confs and journals (ICCV 09, PAMI, JMLR, Pattern Recognition, EURASIP, CVIU,...).
  • Member of associate professor and Chaire CNRS selection committees in 2008 and 2009.
  • Expert reviewer in the French National Research Agency (ANR) since 2008.
  • Elected in january 2009 as a member of the scientific board of the GIS (Groupe d'Interessement Scientifique) including LIP6 at University of Pierre and Marie Curie and LTCI-CNRS at TELECOM ParisTech. Coordinator of the Machine Learning and Information retrieval axes.
  • TELECOM ParisTech Seminars on Perception, Indexing and Machine Learning. (link)

Current and Past (Co)Supervised Students, PostDocs

  • 2003-2007: Liu Huajian (former PhD candidate at Fraunhofer IPSI, Currently Research Staff at Fraunhofer SIT, Germany): "object of interest" based image authentication
  • 2004-2007: Stefan Thiemert (Former PhD Candidate at Fraunhofer IPSI, Germany): content-based video watermarking
  • 2004: Varun Kumta (M.S. Candidate IIT INDIA currently at IBM INDIA): Robustness of image retrieval to image watermarking
  • 2007: Bhavna Agarwal (M.S. Candidate from INDIA): Image Matching and Recognition
  • 2008: Olivier Le Floch (B.S Candidate from l'Ecole Polytechnique, Palaiseau): Image Search
  • 2007-2008: Jiayu Chen (Former Visiting PhD Student at TELECOM ParisTech from University of Wuhan): Image Retrieval
  • 2005-2006: Khe Chai Sim (Former Post Doc at Cambridge university currently at A-Star Singapore): System combination for statistical machine translation
  • 2006-2007: Patrick Etyngier (Former PhD. student at Certis, ENPC, France, defense Jan 2008, currently in Philips Paris): Graph Laplcian for Interactive Image Retrieval
  • 2006-2008: Jaonary Rabarisoa (Former PhD Candidate at Certis, ENPC, France): Statistical Learning for Object Recognition
  • 2008-2009: Marin Ferecatu (Former Post-doc at LTCI, Telecom ParisTech, now assistant professor "maitre de conference" at CNAM University, Paris): MultiView Object Recognition and Tracking
  • 2009-Now: Xi Li (current Post-doc at LTCI, Telecom ParisTech, Paris): Statistical learning and Image retrieval
  • 2008-Now: Thibault Napoleon (Current PhD Student at TELECOM ParisTech): 2D to 3D Object Retrieval
  • BioSketch

  • Dr. Hichem Sahbi received his M.S. degree in theoretical computer science from the University of Paris Sud, in Orsay, France in 1999, and his PhD in computer vision and machine learning from INRIA/Versailles University, France in 2003. From 2003-2006 he was a research associate first at the Fraunhofer Institute in Darmstadt, Germany, and then at the Machine Intelligence Laboratory at Cambridge University, UK. From 2006-2007, he was a senior research associate at l'Ecole des Ponts Paris Tech, in Paris. Since 2007, he has been a CNRS CR1 associate professor at Telecom ParisTech/ENST, in Paris. Dr. Sahbi has participated in various scientific committees, industrial, national, and international projects, and he is the author of many publications. Dr. Sahbi's research interests include statistical machine learning, computer vision, and image retrieval.

 

 

 

 

 

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