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City model enrichment

Smart, Philip David, Quinn, Jonathan Alexander and Jones, Christopher Bernard 2011. City model enrichment. ISPRS Journal of Photogrammetry and Remote Sensing 66 (2) , pp. 223-234. 10.1016/j.isprsjprs.2010.12.004

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Abstract

The combination of mobile communication technology with location and orientation aware digital cameras has introduced increasing interest in the exploitation of 3D city models for applications such as augmented reality and automated image captioning. The effectiveness of such applications is, at present, severely limited by the often poor quality of semantic annotation of the 3D models. In this paper, we show how freely available sources of georeferenced Web 2.0 information can be used for automated enrichment of 3D city models. Point referenced names of prominent buildings and landmarks mined from Wikipedia articles and from the OpenStreetMaps digital map and Geonames gazetteer have been matched to the 2D ground plan geometry of a 3D city model. In order to address the ambiguities that arise in the associations between these sources and the city model, we present procedures to merge potentially related buildings and implement fuzzy matching between reference points and building polygons. An experimental evaluation demonstrates the effectiveness of the presented methods.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords: Internet/web; Geometry; Georeferencing; Registration; Retrieval
Publisher: Elsevier
ISSN: 0924-2716
Last Modified: 04 Nov 2017 23:58
URI: http://orca-mwe.cf.ac.uk/id/eprint/14020

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