 
    Alexandra Bac
                                    56 
                                    
                            Documents
                                Présentation
Publications
                    
                    
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                    Publications
| A Heuristic for Short Homology Basis of Digital ObjectsInternational Joint Conference on Discrete Geometry and Mathematical Morphology (DGMM), 2022, Strasbourg, France. pp.60-70, ⟨10.1007/978-3-031-19897-7_6⟩Communication dans un congrès
                    
        
        
            
                
                    hal-03953372
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| A New Data Structure For Handling Efficiently Polyhedral ComplexesRING Meeting, Jun 2022, Nancy, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-03650376
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|  | Measuring Holes of 3D MeshesGroupe de Travail en Modélisation Géométrique (GTMG), Mar 2021, Online, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-03650377
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| Digital Terrain Model From UAV Photogrammetric DataSmart Tools and Applications in Graphics (STAG), Nov 2020, Firenze, ItalyCommunication dans un congrès
                    
        
        
            
                
                    hal-03418438
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| High Accuracy Terrain Reconstruction from Point Clouds Using Implicit Deformable ModelICCS, Jun 2020, Amsterdam, NetherlandsCommunication dans un congrès
                    
        
        
            
                
                    hal-03418436
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| Surface reconstruction of incomplete datasets: a novel Poisson surface approach based on CSRBFPaper presented at the Shape Modelling International (SMI 2018) Symposium, Instituto Superior Técnico, University of Lisbon, Jun 2018, Lisbo, PortugalCommunication dans un congrès
                    
        
        
            
                
                    hal-02902826
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| Opening Holes in Discrete Objects with Digital Homotopy20th IAPR International Conference on Discrete Geometry for Computer Imagery (DGCI 2017), Sep 2017, Vienne, Austria. pp.213--224, ⟨10.1007/978-3-319-66272-5_18⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01698847
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| Extraction of tubular shapes from dense point clouds and application to tree reconstruction from laser scanned dataShape Modeling International, Jun 2017, Berkeley, United StatesCommunication dans un congrès
                    
        
        
            
                
                    hal-01685231
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| Anisotropic Octrees: a Tool for Fast Normals Estimation on Unorganized Point CloudsWSCG, May 2017, Plzen, Czech RepublicCommunication dans un congrès
                    
        
        
            
                
                    hal-01690397
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| The use of terrestrial LiDAR for enhanced forest inventoryEarth Observation Summit, 2017, Montréal, CanadaCommunication dans un congrès
                    
        
        
            
                
                    hal-02080481
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|  | Mesures géométriques pour les groupes d’homologie : vers une adaptation aux complexes simpliciauxJournées du Groupe de Travail en Modélisation géométrique (GTMG 2016), Mar 2016, Dijon, France. pp.12-15Communication dans un congrès
                    
        
        
            
                
                    hal-01476541
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|  | Topological Comparisons of Fluvial Reservoir Rock Volumes Using Betti Numbers: Application to CO2 Storage Uncertainty Analysis6th International Workshop on Computational Topology in Image Context (CTIC 2016), Jun 2016, Marseille, France. pp.101-112, ⟨10.1007/978-3-319-39441-1_10⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01341013
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| Importing cooperative pedagogy into postgraduate courses - an experimentFuture Of Education - FOE, Jun 2016, Florence, ItalyCommunication dans un congrès
                    
        
        
            
                
                    hal-01380181
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|  | Fast, Simple and Separable Computation of Betti Numbers on Three-dimensional Cubical Complexes6th International Workshop on Computational Topology in Image Context (CTIC 2016), Jun 2016, Marseille, France. pp.130-139, ⟨10.1007/978-3-319-39441-1_12⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01341014
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| Two new measures for the homology groups of discrete objectsJournées du Groupement de Recherche "Informatique Mathématique" (GdR IM), 2016, Villetaneuse, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01381805
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|  | Two Measures for the Homology Groups of Binary Volumes19th IAPR International Conference on Discrete Geometry for Computer Imagery (DGCI 2016), Apr 2016, Nantes, France. pp.154-165, ⟨10.1007/978-3-319-32360-2_12⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01341015
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| Computation of tree volume from terrestrial LiDAR dataMMT, Dec 2015, Sydney, Australia. pp.53--59Communication dans un congrès
                    
        
        
            
                
                    hal-01381812
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| Topological comparisons of fluvial reservoir rock volumes using Betti numbers: application to CO2 storage uncertainty analysis35th gOcad Meeting, 2015, Nancy, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01341016
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|  | Cellular Skeletons: a New Approach to Topological Skeletons with Geometric Features16th International Conference on Computer Analysis of Images and Patterns (CAIP 2015), Sep 2015, La Valette, Malta. pp.616-627, ⟨10.1007/978-3-319-23117-4_53⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01341037
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| Computation of tree volume from terrestrial LiDAR dataSilviLaser 2015, Sep 2015, La Grande Motte, France. pp.308--310Communication dans un congrès
                    
        
        
            
                
                    hal-01381791
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| Forest carbon assessment from LiDAR 3D point cloud analysisRFCC - Regional Forum on Climate Change, Jul 2015, Bangkok, ThailandCommunication dans un congrès
                    
        
        
            
                
                    hal-01381790
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|  | Modélisation de tiges d'arbres à partir de contours actifsGTMG 2015, Apr 2015, Poitiers, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01376474
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| Homological Discrete Vector Fields and homotopy equivalenceApplications of Computer Algebra (ACA 2015), 2015, Kalamata, GreeceCommunication dans un congrès
                    
        
        
            
                
                    hal-01499699
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| Fast computation of Betti numbers on three-dimensional cubical complexesApplications of Computer Algebra (ACA 2015), 2015, Kalamata, GreeceCommunication dans un congrès
                    
        
        
            
                
                    hal-01341017
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|  | Tree stem reconstruction from terrestrial laser scanner point cloud using Hough transform and open active contoursSilvilaser 2015, Sep 2015, La Grande Motte, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01376470
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|  | Computing Homological Information Based on Directed Graphs within Discrete Objects16th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC 2014), Sep 2014, Timisoara, Romania. pp.571--578, ⟨10.1109/SYNASC.2014.82⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01381797
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| Spatial vegetation density index from terrestrial laser scanner : a continuous approach applied to forestryIGARSS, Jul 2014, Québec, CanadaCommunication dans un congrès
                    
        
        
            
                
                    hal-01381800
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|  | Segmentation de nuages de points par octrees et analyse en composantes principalesGTMG 2014, Mar 2014, Lyon, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01376473
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| Triangulation of an elevation surface structured by a sparse 3D gridThe Fifth IEEE International Conference on Communications and Electronics IEEE ICCE 2014, 2014, DaNang, Vietnam. pp.464-469Communication dans un congrès
                    
        
        
            
                
                    hal-01311428
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|  | Laser-scanned tree stem filtering for forest inventories measurementsDigital Heritage, Oct 2013, Marseille, France. pp.649 - 652, ⟨10.1109/DigitalHeritage.2013.6743809⟩Communication dans un congrès
                    
        
        
            
                
                    hal-01376465
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| Simplification of 3D point clouds sampled from elevation surfaces21th International Conference on Computer Graphics, Visualization and Computer Vision, WSCG2013, 2013, Plenz, Czech Republic. pp.60-69Communication dans un congrès
                    
        
        
            
                
                    hal-01311430
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| Application of discrete curvatures to surface mesh simplification and feature line extractionDiscrete Curvature - Theory and Applications, a colloquium on discrete curvature, Nov 2013, Marseille, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01311433
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| Boundary Extraction and Simplification of a Surface Defined by a Sparse 3D VolumeProceeding of the third international symposium on information and communication technology SoICT 2012, 2012, Ha Long, Vietnam. pp.115-124Communication dans un congrès
                    
        
        
            
                
                    hal-01311438
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| Surface Improvement for Reservoir ModellingMAMERN 2009, 2009, Unknown, Unknown Region. pp.163--167Communication dans un congrès
                    
        
        
            
                
                    hal-01311451
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| A multistep approach to restoration of locally undersampled meshesGMP, Apr 2008, Langzhou, ChinaCommunication dans un congrès
                    
        
        
            
                
                    hal-01381807
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| A hybrid simplification algorithm for triangular meshesGraphiCon'2007, 2007, Moscou, Unknown Region. pp.17--24Communication dans un congrès
                    
        
        
            
                
                    hal-01311455
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| Une méthode hybride de simplification de maillages triangulairesGTMG 2006, 2006, Unknown, Région indéterminéeCommunication dans un congrès
                    
        
        
            
                
                    hal-01311383
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| Controlled Local Deformation of NURBS Surfaces to Satisfy Several Punctual ConstraintsCurves and Surfaces, 2006, Avignon, FranceCommunication dans un congrès
                    
        
        
            
                
                    hal-01311460
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| Traitement de surfaces géologiques pour la construction de modèles 3DGTMG 2005, 2005, Unknown, Région indéterminéeCommunication dans un congrès
                    
        
        
            
                
                    hal-01311385
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|  | Spatial vegetation density index from terrestrial laser scannerIEEE Geoscience and Remote Sensing Society (IGARSS), Jul 2014, Québec, CanadaPoster de conférence
                    
        
        
            
                
                    hal-01376468
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| Individual surface representations and optimizationEditions Technip. Shared Earth Modeling: Knowledge driven solutions for building and managing subsurface 3D geological models, pp.95-113, 2013Chapitre d'ouvrage
                    
        
        
            
                
                    hal-01288312
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| A Multistep Approach to Restoration of Locally Undersampled MeshesF. Chen and B. Jüttler. Advances in Geometric Modeling and Applications, pp.272-289, 2008Chapitre d'ouvrage
                    
        
        
            
                
                    hal-01288313
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| Local Deformation of NURBS CurvesNashboro Press. Mathematical Methods for Curves and Surfaces: Tromso 2004, 0--9728482-4-X, pp.243--252, 2005Chapitre d'ouvrage
                    
        
        
            
                
                    hal-01288315
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| Satisfying Constraints Through Local Deformation of NURBS Curves[Rapport de recherche] LSIS.RR.2004.006, Laboratoire des Sciences de l\'Information et des Syst\èmes. 2004Rapport
                             (rapport de recherche)
                    
        
        
            
                
                    hal-01488865
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