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dataset, especially for roads in urban areas that are heavily occluded. Regarding roads, the extraction of roadsides by
fusion of various 2D and 3D information extracted from images and knowledge from a road database, and modelling
roads of different classes in various terrain relief and landcover will be a major issue. Cues like cars on road and road
marks will be extracted to confirm the reconstruction results. Building extraction in dense urban centres will also be
investigated. An additional difficulty in this case, stems from the fact that the VECTOR25 data describe in this case the
outline of all buildings in a block. Finally, a metric for quality estimation will be developed, and the results will be
evaluated with manually extracted ground truth reference data.
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