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- W2183422957 abstract "We present a fully automatic, object- centered approach for creating 3D city models by combining public domain geographic information with highly overlapping aerial images. In a first step, we create a polygonal 3D surface mesh from terrain elevation data provided by the Shuttle Radar Topog- raphy Mission. Second, we transfer building outline polygons from 2D vector maps provided by the Open- StreetMap project to georeferenced aerial images and extract image patches of individual buildings. Subsequently, we perform dense multi-view image matching to estimate a depth map for the roof pix- els from which we approximate building heights and roof structures. This allows to reconstruct a polyhe- dral 3D city model of an area of 1 km 2 with more than 700 buildings in less than 10 minutes on commodity hardware. Our model satisfies the CityGML Level- of-Detail accuracy requirements of +/- 2 m, evalu- ated by comparison to reference height data from air- borne laser scanning. The obtained textured meshes are suitable for city planning, interactive visualiza- tion or simulations and may serve as base meshes for future refinement of the geometry." @default.
- W2183422957 created "2016-06-24" @default.
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- W2183422957 date "2012-01-01" @default.
- W2183422957 modified "2023-09-28" @default.
- W2183422957 title "Rapid 3D City Model Approximation from Publicly Available Geographic Data Sources and Georeferenced Aerial Images" @default.
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