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28 October 2016
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SMART POINT CLOUD: DEFINITION AND REMAINING CHALLENGES
Poux, Florent  ; Neuville, Romain  ; Hallot, Pierre  et al.
2016 • In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, IV-2 (W1), p. 119-127
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Keywords :
Point cloud data structure; classification; feature extraction; segmentation; data mining; machine learning; multi-dimensional indexing; point cloud database
Abstract :
[en] Dealing with coloured point cloud acquired from terrestrial laser scanner, this paper identifies remaining challenges for a new data structure: the smart point cloud. This concept arises with the statement that massive and discretized spatial information from active remote sensing technology is often underused due to data mining limitations. The generalisation of point cloud data associated with the heterogeneity and temporality of such datasets is the main issue regarding structure, segmentation, classification, and interaction for an immediate understanding. We propose to use both point cloud properties and human knowledge through machine learning to rapidly extract pertinent information, using user-centered information (smart data) rather than raw data. A review of feature detection, machine learning frameworks and database systems indexed both for mining queries and data visualisation is studied. Based on existing approaches, we propose a new 3-block flexible framework around device expertise, analytic expertise and domain base reflexion. This contribution serves as the first step for the realisation of a comprehensive smart point cloud data structure
Disciplines :
Computer science
Earth sciences & physical geography
Architecture
Author, co-author :
Poux, Florent ;  Université de Liège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Neuville, Romain ;  Université de Liège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Hallot, Pierre  ;  Université de Liège > Département de géographie > Architecture Site Lambert Lombard
Billen, Roland ;  Université de Liège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Language :
English
Title :
SMART POINT CLOUD: DEFINITION AND REMAINING CHALLENGES
Alternative titles :
[en] Smart Point Cloud: Definition and remaining challenges
[fr] Vers les nuages de points intelligents: definition et challenges
[de] Smart-Punktwolke : Definition, Herausforderungen
[nl] smart puntenwolk: definitie en de resterende uitdagingen
[es] inteligente de nubes de puntos: definición y retos pendientes
[it] nuvola di punti intelligente: definizione e le sfide rimanenti
Publication date :
05 October 2016
Event name :
11th 3D GEOINFO CONFERENCE
Event organizer :
ISPRS (International Society of Photogrammetry and Remote Sensing
Efi Dimopoulou
Peter Van Oosterom
Event place :
Athens, Greece
Event date :
du 18 octobre au 21 octobre 2016
Audience :
International
Journal title :
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
ISSN :
2194-9042
eISSN :
2194-9050
Publisher :
Copernicus Publications, Göttingen, Germany
Special issue title :
11th 3D GeoInfo Conference
Volume :
IV-2
Issue :
W1
Pages :
119-127
Peer reviewed :
Peer Reviewed verified by ORBi

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