UMD GeoVis Group
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ImplicitTerrain: a Continuous Surface Model for Terrain Data Analysis
Digital terrain models (DTMs) are pivotal in remote sensing, cartography, and landscape management, requiring accurate surface …
Haoan Feng
,
Xin Xu
,
Leila De Floriani
PDF
A Persistence-Based Approach for Individual Tree Mapping
Light Detection and Ranging (LiDAR) sensors generate dense point clouds that can be used to map forest structures at a high spatial …
Xin Xu
,
Federico Iuricich
,
Leila De Floriani
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DOI
An unsupervised building footprints delineation approach for large-scale LiDAR point clouds
We design a novel unsupervised approach to delineate building footprints on large-scale LiDAR point clouds. By computing an α-shape on …
Xin Xu
PDF
DOI
Topology-based individual tree segmentation for automated processing of terrestrial laser scanning point clouds
Terrestrial laser scanning (TLS) is a ground-based approach to rapidly acquire 3D point clouds via Light Detection and Ranging (LiDAR) …
Xin Xu
,
Federico Iuricich
,
Kim Calders
,
John Armston
,
Leila De Floriani
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Cite
DOI
An example conference paper
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Nelson Bighetti
,
Robert Ford
Jul 1, 2013
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A Combined Geometrical and Topological Simplification Hierarchy for Terrain Analysis
We consider the problem of modeling a terrain from both a geometric and a morphological point of view for efficient and effective …
Federico Iuricich
,
Leila De Floriani
PDF
DOI
A Discrete Morse-Based Approach to Multivariate Data Analysis
Multivariate data are becoming more and more popular in several applications, including physics, chemistry, medicine, geography, etc. A …
Federico Iuricich
,
Sara Scaramuccia
,
Claudia Landi
,
Leila De Floriani
PDF
DOI
A Primal/Dual Representation for Discrete Morse Complexes on Tetrahedral Meshes
We consider the problem of computing discrete Morse and Morse-Smale complexes on an unstructured tetrahedral mesh discretizing the …
Kenneth Weiss
,
Federico Iuricich
,
Riccardo Fellegara
,
Leila De Floriani
PDF
DOI
A Survey of Topology-based Methods in Visualization
This paper presents the state of the art in the area of topology-based visualization. It describes the process and results of an …
Christian Heine
,
Heike Leitte
,
Mario Hlawitschka
,
Federico Iuricich
,
Leila De Floriani
,
Gerik Scheuermann
,
Hans Hagen
,
Christoph Garth
PDF
DOI
Analysis of Geolocalized Social Networks Based on Simplicial Complexes
A common issue in network analysis consists in the detection and characterization of the key vertices and communities. To this purpose, …
Riccardo Fellegara
,
Ulderico Fugacci
,
Federico Iuricich
,
Leila De Floriani
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