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Laurent Najman
70
Documents
Présentation
<image style="float: left; margin-left: 5px; margin-right: 5px;" src="https://laurentnajman.org/uploads/images/LaurentNajman-portrait-2023-small.jpeg" width="142" height="160">**Laurent Najman** received the Habilitation à Diriger les Recherches in 2006 from the University of Marne-la-Vallée, a Ph.D. of applied mathematics from Paris-Dauphine University in 1994 with the highest honour (Félicitations du Jury) and an “Ingénieur” degree from the Ecole des Mines de Paris in 1991. After earning his engineering degree, he worked in the Central Research Laboratories of Thomson-CSF for three years, working on some problems of infrared image segmentation using mathematical morphology. He then joined a start-up company named Animation Science in 1995, as director of research and development. The technology of particle systems for computer graphics and scientific visualisation, developed by the company under his technical leadership received several awards, including the “European Information Technology Prize 1997” awarded by the European Commission (Esprit programme) and by the European Council for Applied Science and Engineering and the “Hottest Products of the Year 1996” awarded by the Computer Graphics World journal. In 1998, he joined OCÉ Print Logic Technologies, as senior scientist. He worked there on various problem of image analysis dedicated to scanning and printing. In 2002, he joined the Informatics Department of ESIEE, Paris, where he is professor and a member of the Laboratoire d’Informatique Gaspard Monge, Université Paris-Est Marne-la-Vallée. His current research interest is discrete mathematical morphology, discrete topology and optimization.
Publications
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Exploring Hierarchy Simplification for Non-Significant Region Removal2019 32nd SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI), Oct 2019, Rio de Janeiro, Brazil. pp.100-107, ⟨10.1109/SIBGRAPI.2019.00022⟩
Communication dans un congrès
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On the probabilities of hierarchical watershedsInternational Symposium on Mathematical Morphology, Jul 2019, Saarbrücken, Germany. ⟨10.1007/978-3-030-20867-7_11⟩
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Recognizing hierarchical watershedsDGCI2019, Mar 2019, Noisy-le-grand, France. pp.300-313, ⟨10.1007/978-3-030-14085-4_24⟩
Communication dans un congrès
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Watersheding hierarchiesInternational Symposium on Mathematical Morphology, Jul 2019, Saarbrücken, Germany. ⟨10.1007/978-3-030-20867-7_10⟩
Communication dans un congrès
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Evaluation of combinations of watershed hierarchiesISMM 2017, May 2017, Fontainebleau, France. pp.133-145, ⟨10.1007/978-3-319-57240-6_11⟩
Communication dans un congrès
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VOIDD: automatic vessel of intervention dynamic detection in PCI proceduresCVII-Stent Workshop MICCAI 2017, Sep 2017, Quebec City, Canada. pp.136 - 157, ⟨10.1109/MSP.2009.934154⟩
Communication dans un congrès
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Watersheds on Hypergraphs for Data ClusteringISMM 2017 - 13th International Symposium on Mathematical Morphology and Its Applications to Signal and Image Processing, May 2017, Fontainebleau, France. pp.211-221, ⟨10.1007/978-3-319-57240-6_17⟩
Communication dans un congrès
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Graph-based Hierarchical Video Cosegmentation19th International Conference on Image Analysis and Processing, Sebastiano Battiato; Giovanni Gallo; Raimondo Schettini; Filippo Stanco, Sep 2017, Catania, Italy. ⟨10.1007/978-3-319-68560-1_2⟩
Communication dans un congrès
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Decreasing the Number of Features for Improving Human Action Classification29th SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI 2016), Oct 2016, Sao Paulo, Brazil. ⟨10.1109/SIBGRAPI.2016.035⟩
Communication dans un congrès
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Stochastic hierarchical watershed cut based on disturbed topographical surface29th SIBGRAPI Conference on Graphics, Patterns and Images, SIBGRAPI 2016, Oct 2016, Sao Paulo, Brazil. ⟨10.1109/SIBGRAPI.2016.044⟩
Communication dans un congrès
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Hierarchical image segmentation relying on a likelihood ratio testICIAP 2015, Sep 2015, Genova, Italy. ⟨10.1007/978-3-319-23234-8_3⟩
Communication dans un congrès
hal-01229844v1
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New characterizations of minimum spanning trees and of saliency maps based on quasi-flat zones12th International Symposium on Mathematical Morphology (ISMM), Benediktsson, J.A.; Chanussot, J.; Najman, L.; Talbot,, May 2015, Reykjavik, Iceland. pp.205-216, ⟨10.1007/978-3-319-18720-4_18⟩
Communication dans un congrès
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A Comparison of Some Morphological Filters for Improving OCR PerformanceMathematical Morphology and Its Applications to Signal and Image Processing, Benediktsson, J.A.; Chanussot, J.; Najman, L.; Talbot, H., May 2015, Reykjavik, Iceland. ⟨10.1007/978-3-319-18720-4_12⟩
Communication dans un congrès
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Morphological Floodings and Optimal Cuts in HierarchiesInternational Conference on Image Processing (ICIP), Oct 2014, Paris, France. ⟨10.1109/ICIP.2014.7025905⟩
Communication dans un congrès
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A mutual reference shape based on information theoryInternational Conference on Image Processing ICIP, Oct 2014, Paris, France. pp.887 - 891, ⟨10.1109/ICIP.2014.7025178⟩
Communication dans un congrès
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Playing with Kruskal: algorithms for morphological trees in edge-weighted graphsInternational Symposium on Mathematical Morphology, May 2013, Uppsala, Sweden. pp.135-146
Communication dans un congrès
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Hierarchical video segmentation using an observation scale26th SIBRAPI Conference on Graphics, Patterns and Images - SIPGRAPI 2013, Aug 2013, Arequipa, Peru. ⟨10.1109/SIBGRAPI.2013.51⟩
Communication dans un congrès
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Constructive links between some morphological hierarchies on edge-weighted graphsInternational Symposium on Mathematical Morphology, May 2013, Uppsala, Sweden. pp.85-96
Communication dans un congrès
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A hybrid algorithm for automatic heart delineation in CT angiographyComputer Assisted Radiology and Surgery - CARS'2012, Jun 2012, France. pp.S37-S38
Communication dans un congrès
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A hierarchical image segmentation algorithm based on an observation scaleJoint IAPR International Workshop, SSPR&SPR 2012, Nov 2012, Japan. pp.116-125, ⟨10.1007/978-3-642-34166-3_13⟩
Communication dans un congrès
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A reference free approach for the comparative evaluation of eight segmentation methods for the estimation of the left ventricular ejection fraction in cardiac MRI.European Society for Magnetic Resonance in Medicine and Biology (ESMRMB), Oct 2012, Lisbonne, Portugal. pp.658
Communication dans un congrès
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A hybrid algorithm for automatic heart segmentation in CT angiographyInternational Conference on Image Processing - ICIP'2012, Sep 2012, Orlando, United States. pp.2013 - 2016, ⟨10.1109/ICIP.2012.6467284⟩
Communication dans un congrès
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Incremental algorithm for hierarchical minimum spanning forests and saliency of watershed cuts10th International Symposium on Mathematical Morphology (ISMM'11), Jul 2011, Verbania-Intra, Italy. pp.272-283, ⟨10.1007/978-3-642-21569-8_24⟩
Communication dans un congrès
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Some morphological operators on simplicial complex spacesDiscrete geometry for computer imagery (DGCI'11), Apr 2011, Nancy, France. pp.441--452, ⟨10.1007/978-3-642-19867-0_37⟩
Communication dans un congrès
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Méthodologie Pour Comparer Différentes Méthodes D'extraction De Biomarqueurs Sans Méthode De Référence. Application À La Segmentation Du Ventricule Gauche En Irm Cardiaque Pour Estimer La Fraction D'éjection.RITS 2011 (Colloque National Recherche en Imagerie et Technologies pour la Santé), Apr 2011, Rennes (CHU), France
Communication dans un congrès
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Estimation d'une forme mutuelle pour l'évaluation de la segmentation en imagerie cardiaque23ème Colloque GRETSI - Traitement du Signal et des Images (GRETSI '11), 2011, France. 10pp
Communication dans un congrès
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Comparison of different segmentation approaches without using gold standard. Application to the estimation of the left ventricle ejection fraction from cardiac cine MRI sequences.Annual International Conference of the IEEE Engineering in Medicine and Biology Society., Aug 2011, Boston, United States. pp.2663-6, ⟨10.1109/IEMBS.2011.6090732⟩
Communication dans un congrès
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4D Morphological segmentation and the miccai LV-segmentation grand challengeMICCAI 2009 Workshop on Cardiac MR Left Ventricle Segmentation Challenge, Nov 2009, France. pp.1-8
Communication dans un congrès
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Collapses and watersheds in pseudomanifolds13th International Workshop on Combinatorial Image Analysis (IWCIA'09), Nov 2009, France. pp.397-410
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Some morphological operators in graph spaces9th International Symposium on Mathematical Morphology (ISMM 2009), Aug 2009, Groningen, Netherlands. pp.149-160, ⟨10.1007/978-3-642-03613-2_14⟩
Communication dans un congrès
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Region-based 3D artwork indexing and classificationProceedings of the IEEE 3DTV-Con Conference, May 2008, Istanbul, Turkey. pp.393-396, ⟨10.1109/3DTV.2008.4547891⟩
Communication dans un congrès
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Raising in watershed lattices15th IEEE International Conference on Image Processing (ICIP'08), Oct 2008, San Diego, USA, France. pp.2196-2199
Communication dans un congrès
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Region-based artwork indexing and classification3DTV Conference: The True Vision - Capture, Transmission and Display of 3D Video (3DTV'08), May 2008, Istanbul, Turkey. pp.393 -396, ⟨10.1109/3DTV.2008.4547891⟩
Communication dans un congrès
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On watershed cuts and thinningsDiscrete Geometry for Computer Imagery, 2008, France. pp.434-445
Communication dans un congrès
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Automated, Accurate and Fast Segmentation of 4D Cardiac MR ImagesFunctional Imaging and Modeling of the Heart, 2007, France. pp.474-483
Communication dans un congrès
hal-00622242v1
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Watershed cutsInternational Symposium on Mathematical Morphology - International Symposium on Mathematical Morphology'07, 8th International Symposium, Proceedings, 2007, France. pp.301-312
Communication dans un congrès
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An open, clinically-validated database of 3D+t cine-MR images of the left ventricle with associated manual and automated segmentationISC/NA-MIC Workshop on Open Science at Medical Image Computing and Computer-Assisted Intervention, 2007, France. 10pp
Communication dans un congrès
hal-00622251v1
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Fusion graphs, region merging and watershedsDiscrete Geometry for Computer Imagery, 2006, France. pp.343-354
Communication dans un congrès
hal-00622035v1
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Accurate assessment of left ventricular function in infarct patients with fully automated 4D segmentation of complete short-axis cine-MRI datasetArchives des Maladies du Cøeur et des Vaisseaux, 2006, -, France. pp.77-77
Communication dans un congrès
hal-00622342v1
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Grayscale watersheds on perfect fusion graphsCombinatorial Image Analysis, 2006, France. pp.60-73
Communication dans un congrès
hal-00622038v1
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Fully automated segmentation of 4D cardiac cine-MRI dataset in humansArchives des Maladies du Cøeur et des Vaisseaux, 2006, France. pp.26-27
Communication dans un congrès
hal-00622535v1
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Segmentation cardiaque spatio-temporelle?. Segmentation cardiaque spatio-temporelle, Hermes Sciences, 10pp., 2010
Chapitre d'ouvrage
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Chapter 3 - Watersheds in discrete spacesNajman Laurent, Talbot Hugues. Mathematical morphology: from theory to applications, ISTE-Wiley, pp.81-107, 2010
Chapitre d'ouvrage
hal-00622500v1
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3D+t cardiac segmentationNajman Laurent, Talbot Hugues. Mathematical morphology: from theory to applications, ISTE-Wiley, pp.389-394, 2010
Chapitre d'ouvrage
hal-00622503v1
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Discrete region merging and watershedsPassare Mikael. Complex Analysis and Digital Geometry. Proceedings from the Kiselmanfest, 2006, 86, Uppsala University, pp.199-222, 2009, Acta Universitatis Upsaliensis, 978-91-554-7672-4
Chapitre d'ouvrage
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Chapter 4 - Ligne de partage des eaux dans les espaces discretsNajman Laurent, Talbot Hugues. Morphologie mathématique : approches déterministes, Hermes Sciences Publications, pp.123-149, 2008
Chapitre d'ouvrage
hal-00622341v1
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Improved estimation of the left ventricular ejection fraction using a combination of independent automated segmentation results in cardiovascular magnetic resonance imaging2014
Pré-publication, Document de travail
hal-01077143v1
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Definition of a mutual reference shape based on information theory and active contours2013
Pré-publication, Document de travail
hal-00844144v1
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Watersheds, minimum spanning forests, and the drop of water principle2007
Pré-publication, Document de travail
hal-01113462v1
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Proofs of the properties presented in the article "Watersheding hierarchies"[Research Report] Université Paris-Est, LIGM UMR CNRS 8049, France; ESIEE Paris. 2019
Rapport
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Morphological filters for OCR: a performance comparison[Research Report] LIGM - Laboratoire d'Informatique Gaspard-Monge. 2012
Rapport
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