Automatic extraction of roads from aerial photos has been demonstrated in a number of systems, but the systems which display the better capabilities usually rely on manual selection of road starting points. This interaction with a human operator is eliminated by integrating a road-finding module into a road network extraction system. The road finder combines a greedy, edge-based, road-center linker with a smoothness checking program and a post linking process. It is used both for determining where the tracking process is to begin, and for restarting when tracking fails. Results from the fully implemented system are presented.
Road finding for road-network extraction
Strassenbestimmung fuer die Strassennetzextraktion
1988
6 Seiten, 7 Quellen
Conference paper
English
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