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From DSM to 3D building models : A quantitative evaluation

Moreira, J. M. M. (author)
Högskolan i Gävle,Avdelningen för Industriell utveckling, IT och Samhällsbyggnad,University of Extremadura, Spain
Nex, F. (author)
3D Optical Metrology Unit, Bruno Kessler Foundation (FBK), Trento, Italy
Agugiaro, G. (author)
3D Optical Metrology Unit, Bruno Kessler Foundation (FBK), Trento, Italy
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Remondino, F. (author)
3D Optical Metrology Unit, Bruno Kessler Foundation (FBK), Trento, Italy
Lim, Nancy Joy (author)
Högskolan i Gävle,Samhällsbyggnad/GIS-Institutet,Geospatial informationsteknik
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 (creator_code:org_t)
Gottingen : Copernicus gesellschaft MBH, 2013
2013
English.
In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives. - Gottingen : Copernicus gesellschaft MBH. ; , s. 213-219
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • The paper reviews the state-of-the-art in 3D city models and building block generation, with a description of the most common solutions and approaches. Then the digital reconstruction and comparison of LoD1 and LoD2 building models obtained with commercial packages and using different input data are presented. As input data, a DSM at 1m resolution derived from a GeoEye-1 stereo-pair, a DSM from an aerial block at 50 cm GSD and a LiDAR-based DSM at 1m resolution are used. The geometric buildings produced with each dataset are evaluated with respect to some ground-truth measurements but also compared between them. Problems such as the quality of the input DSM, the accuracy of the necessary vector datasets containing the building footprints, the flexibility of the approaches and the potentialities of each dataset will be discussed. As reconstruction of the building models is largely influenced by the quality of the building footprints, which may be out-of-date or slightly shifted with respect to the employed DSMs/DTMs, an in-house method is being developed to derive them starting from the produced DSMs.

Subject headings

NATURVETENSKAP  -- Data- och informationsvetenskap -- Annan data- och informationsvetenskap (hsv//swe)
NATURAL SCIENCES  -- Computer and Information Sciences -- Other Computer and Information Science (hsv//eng)

Keyword

3D buildings
City model
DSM
Geometry
LoD
Quantitative analyses
Chemical analysis
Input output programs
3D building models
Commercial packages
Digital reconstruction
Quantitative evaluation
Buildings

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Moreira, J. M. M ...
Nex, F.
Agugiaro, G.
Remondino, F.
Lim, Nancy Joy
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and Computer and Inf ...
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