Article (Scientific journals)
Point Cloud vs. Mesh Features for Building Interior Classification
Bassier, Maarten; Vergauwen, Maarten; Poux, Florent
2020In Remote Sensing, 12 (14), p. 2224
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Keywords :
3D Point Cloud; Mesh; Segmentation; Classification; BIM; Indoor reconstruction; 3D Reconstruction
Abstract :
[en] Interpreting 3D point cloud data of the interior and exterior of buildings is essential for automated navigation, interaction and 3D reconstruction. However, the direct exploitation of the geometry is challenging due to inherent obstacles such as noise, occlusions, sparsity or variance in the density. Alternatively, 3D mesh geometries derived from point clouds benefit from preprocessing routines that can surmount these obstacles and potentially result in more refined geometry and topology descriptions. In this article, we provide a rigorous comparison of both geometries for scene interpretation. We present an empirical study on the suitability of both geometries for the feature extraction and classification. More specifically, we study the impact for the retrieval of structural building components in a realistic environment which is a major endeavor in Building Information Modeling (BIM) reconstruction. The study runs on segment-based structuration of both geometries and shows that both achieve recognition rates over 75% F1 score when suitable features are used.
Disciplines :
Computer science
Earth sciences & physical geography
Civil engineering
Author, co-author :
Bassier, Maarten;  KU Leuven > Department of Civil Engineering
Vergauwen, Maarten;  KU Leuven > Department of Civil Engineering
Poux, Florent  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Language :
English
Title :
Point Cloud vs. Mesh Features for Building Interior Classification
Alternative titles :
[fr] Nuage de points vs maillage 3D pour la classification intérieure des bâtiments
Publication date :
11 July 2020
Journal title :
Remote Sensing
eISSN :
2072-4292
Publisher :
MDPI, Basel, Switzerland
Special issue title :
Point Cloud Processing and Analysis in Remote Sensing
Volume :
12
Issue :
14
Pages :
2224
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
H2020 - 779962 - V4Design - Visual and textual content re-purposing FOR(4) architecture, Design and video virtual reality games
Funders :
CER - Conseil Européen de la Recherche [BE]
VLAIO - Agentschap Innoveren & Ondernemen [BE]
ULiège - Université de Liège [BE]
KU Leuven - Katholieke Universiteit Leuven [BE]
CE - Commission Européenne [BE]
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since 31 July 2020

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