Results 251 to 260 of about 418,070 (294)
Characterising activities in 3D city modelling
, 2018 Julin, A. (Arttu) +4 more
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Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2009
The shapes of our cities change frequently. These changes have to be reflected in data sets representing urban objects. However, it must be assured that frequent updates do not affect geometric-topological consistency. This important aspect of spatial data quality guarantees assumptions that users and applications of 3D city models rely on, viz.
Gerhard Gröger, Lutz Plümer
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The shapes of our cities change frequently. These changes have to be reflected in data sets representing urban objects. However, it must be assured that frequent updates do not affect geometric-topological consistency. This important aspect of spatial data quality guarantees assumptions that users and applications of 3D city models rely on, viz.
Gerhard Gröger, Lutz Plümer
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Assessing and benchmarking 3D city models
International Journal of Geographical Information Science, 202210.1080/13658816.2022.2140808 ; International Journal of Geographical Information Science ; 1 ...
Binyu Lei, Rudi Stouffs, Filip Biljecki
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Round Table Session on “3D-City-Modeling”
eCAADe proceedings, 2002According to eCAADe’s mission, the exchange and collaboration within the area of computer aided architectural design education and research, while respecting the pedagogical and administrative approaches in the different schools and countries, can be regarded as a core activity. On the occasion of eCAADe 2001 in Helsinki a working session on the topic “
Dokonal, Wolfgang, Martens, Bob
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CityGML – Interoperable semantic 3D city models
ISPRS Journal of Photogrammetry and Remote Sensing, 2012Abstract CityGML is the international standard of the Open Geospatial Consortium (OGC) for the representation and exchange of 3D city models. It defines the three-dimensional geometry, topology, semantics and appearance of the most relevant topographic objects in urban or regional contexts.
Gerhard Gröger, Lutz Plümer
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3D City Modeling Using Cognitive Loops
Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06), 20063D city modeling using computer vision is very challenging. A typical city contains objects which are a nightmare for some vision algorithms, while other algorithms have been designed to identify exactly these parts but, in their turn, suffer from other weaknesses which limit their application.
Nico Cornelis +3 more
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Illustrative visualization of 3D city models
SPIE Proceedings, 2005The paper presents an illustrative visualization technique that provides expressive representations of large-scale 3D city models, inspired by the tradition of artistic and cartographic visualizations typically found in bird’s-eye view maps and panoramic maps. First, a collection of city model components is defined.
Juergen Doellner +3 more
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Attribute grammar for 3D city models
2009In this paper we show how attribute grammar formalism can be used as a modelling language for three dimensional geometric models. We focus on 3D building models and their decomposition into building parts. The specification of aggregation and the inheritance of shared parameters is discussed.
J Schmittwilken, D Dörschlag, L Plümer
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Hybrid 3D Segmentation Technique for 3D City Models
20143D city model is a virtual representation of a city or urban environment, where in GIS related context, represents existing cities in the world. Initially, they are used only as presentations that complement the results of 2D analyses and bear no analytical capabilities. The advancement in computer graphics technology has effectively sparked the effort
Khairul Hafiz Sharkawi +1 more
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Towards a Semantic 3D Model of Sofia City
2021More and more cities worldwide are working on their digital transformation in order to deliver better living environment for citizens. Over the last decades, a lot of research efforts are dedicated to development of semantic 3D city models, covering variety city dimensions based on standards such as CityGML.
Dessislava Petrova-Antonova +1 more
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