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Authors: Steffen Goebbels and Regina Pohle-Fröhlich

Affiliation: Institute for Pattern Recognition, Faculty of Electrical Engineering and Computer Science, Niederrhein University of Applied Sciences, Reinarzstr. 49, 47805 Krefeld, Germany

Keyword(s): Building Reconstruction, CityGML, Oblique Aerial Images, Airborne Laser Scanning Point Clouds.

Abstract: Most current 3D city models, created automatically from cadastral and remote sensing data and represented in CityGML, do not include roof overhangs, although these overhangs are very characteristic for the appearance of buildings. This paper describes an algorithm that procedurally adds such overhangs. When a CityGML model is textured, the size of the overhangs is determined by recognizing overhangs in facade textures. In this case, the method only needs an already existing model in CityGML representation. Alternatively, if an additional point cloud (e.g., from airborne laser scanning) is available, this cloud can be utilized to calculate the overhang sizes. We compare the results of both methods.

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Paper citation in several formats:
Goebbels, S. and Pohle-Fröhlich, R. (2023). Automatic Reconstruction of Roof Overhangs for 3D City Models. In Proceedings of the 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2023) - GRAPP; ISBN 978-989-758-634-7; ISSN 2184-4321, SciTePress, pages 145-152. DOI: 10.5220/0011604200003417

@conference{grapp23,
author={Steffen Goebbels. and Regina Pohle{-}Fröhlich.},
title={Automatic Reconstruction of Roof Overhangs for 3D City Models},
booktitle={Proceedings of the 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2023) - GRAPP},
year={2023},
pages={145-152},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0011604200003417},
isbn={978-989-758-634-7},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2023) - GRAPP
TI - Automatic Reconstruction of Roof Overhangs for 3D City Models
SN - 978-989-758-634-7
IS - 2184-4321
AU - Goebbels, S.
AU - Pohle-Fröhlich, R.
PY - 2023
SP - 145
EP - 152
DO - 10.5220/0011604200003417
PB - SciTePress

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