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Automatic Semantic Labelling of 3D Buildings Based on Geometric and Topological Information

Abstract

The lack of suitable information in 3D models of buildings and cities is still a strong limitation for the increasing number of applications requiring the 3D data. The latter are often obtained from acquisition or modeling processes during which the geometry is well preserved, but the topological and semantic information are lost. We present a new approach to enrich a purely geometric model with topological information. The reconstructed topology combined to the geometry is helpful to several operations like guided building simplification, model correction, etc. In this work we recover the semantic information based on a propagation approach guided by heuristic rules. All the process is automatic and designed such that any user can bring and customize as many rules as needed to supervise the semantic labelling. As example we propose few rules applied to both Building Information Models (BIM) and 3D Geometric Information Systems (GIS) data.
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Dates and versions

hal-01122533 , version 1 (09-03-2015)

Identifiers

  • HAL Id : hal-01122533 , version 1

Cite

Abdoulaye Abou Diakité, Guillaume Damiand, Gilles Gesquière. Automatic Semantic Labelling of 3D Buildings Based on Geometric and Topological Information. Proc. of 9th International 3DGeoInfo Conference (3DGeoInfo), Nov 2014, Dubaï, United Arab Emirates. ⟨hal-01122533⟩
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