Alexandra Bac
51
Documents
Presentation
Publications
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A New Data Structure For Handling Efficiently Polyhedral ComplexesRING Meeting, Jun 2022, Nancy, France
Conference papers
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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⟩
Conference papers
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Measuring Holes of 3D MeshesGTMG, Mar 2021, Distanciel, France
Conference papers
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High Accuracy Terrain Reconstruction from Point Clouds Using Implicit Deformable ModelICCS, Jun 2020, Amsterdam, Netherlands
Conference papers
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Digital Terrain Model From UAV Photogrammetric DataSmart Tools and Applications in Graphics (STAG), Nov 2020, Firenze, Italy
Conference papers
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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, Portugal
Conference papers
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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⟩
Conference papers
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The use of terrestrial LiDAR for enhanced forest inventoryEarth Observation Summit, 2017, Montréal, Canada
Conference papers
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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 States
Conference papers
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Anisotropic Octrees: a Tool for Fast Normals Estimation on Unorganized Point CloudsWSCG, May 2017, Plzen, Czech Republic
Conference papers
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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⟩
Conference papers
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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.12-15
Conference papers
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Two new measures for the homology groups of discrete objectsJournées du Groupement de Recherche "Informatique Mathématique" (GdR IM), 2016, Villetaneuse, France
Conference papers
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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⟩
Conference papers
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Importing cooperative pedagogy into postgraduate courses - an experimentFuture Of Education - FOE, Jun 2016, Florence, Italy
Conference papers
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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⟩
Conference papers
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Topological comparisons of fluvial reservoir rock volumes using Betti numbers: application to CO2 storage uncertainty analysis35th gOcad Meeting, 2015, Nancy, France
Conference papers
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Computation of tree volume from terrestrial LiDAR dataMMT, Dec 2015, Sydney, Australia. pp.53--59
Conference papers
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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, France
Conference papers
hal-01376470v1
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Fast computation of Betti numbers on three-dimensional cubical complexesApplications of Computer Algebra (ACA 2015), 2015, Kalamata, Greece
Conference papers
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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⟩
Conference papers
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Computation of tree volume from terrestrial LiDAR dataSILVILASER, Sep 2015, La Grande Motte, France. pp.308--310
Conference papers
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Forest carbon assessment from LiDAR 3D point cloud analysisRFCC - Regional Forum on Climate Change, Jul 2015, Bandkok, Thailand
Conference papers
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Modélisation de tiges d'arbres à partir de contours actifsGTMG 2015, Apr 2015, Poitiers, France
Conference papers
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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⟩
Conference papers
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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.464-469
Conference papers
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Spatial vegetation density index from terrestrial laser scanner : a continuous approach applied to forestryIGARSS, Jul 2014, Québec, Canada
Conference papers
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Segmentation de nuages de points par octrees et analyse en composantes principalesGTMG 2014, Mar 2014, Lyon, France
Conference papers
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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⟩
Conference papers
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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.60-69
Conference papers
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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, France
Conference papers
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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.115-124
Conference papers
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Surface Improvement for Reservoir ModellingMAMERN 2009, 2009, Unknown, Unknown Region. pp.163--167
Conference papers
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A multistep approach to restoration of locally undersampled meshesGMP, Apr 2008, Langzhou, China
Conference papers
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A hybrid simplification algorithm for triangular meshesGraphiCon'2007, 2007, Moscou, Unknown Region. pp.17--24
Conference papers
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Une méthode hybride de simplification de maillages triangulairesGTMG 2006, 2006, Unknown, Région indéterminée
Conference papers
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Controlled Local Deformation of NURBS Surfaces to Satisfy Several Punctual ConstraintsCurves and Surfaces, 2006, Avignon, France
Conference papers
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Traitement de surfaces géologiques pour la construction de modèles 3DGTMG 2005, 2005, Unknown, Région indéterminée
Conference papers
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Spatial vegetation density index from terrestrial laser scannerIEEE Geoscience and Remote Sensing Society (IGARSS), Jul 2014, Québec, Canada
Conference poster
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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, 2013
Book sections
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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, 2008
Book sections
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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, 2005
Book sections
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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. 2004
Reports
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