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Extracting Buildings from True Color Stereo Aerial Images Using a Decision Making Strategy
Politecnico di Bari, via Orabona n.4, Bari 70125, Italy
ISSIA CNR, via Amendola n. 122/D-O, Bari 70126, Italy
* Author to whom correspondence should be addressed.
Received: 20 May 2011; in revised form: 11 July 2011 / Accepted: 11 July 2011 / Published: 25 July 2011
Abstract: The automatic extraction of buildings from true color stereo aerial imagery in a dense built-up area is the main focus of this paper. Our approach strategy aimed at reducing the complexity of the image content by means of a three-step procedure combining reliable geospatial image analysis techniques. Even if it is a rudimentary first step towards a more general approach, the method presented proved useful in urban sprawl studies for rapid map production in flat area by retrieving indispensable information on buildings from scanned historic aerial photography. After the preliminary creation of a photogrammetric model to manage Digital Surface Model and orthophotos, five intermediate mask-layers data (Elevation, Slope, Vegetation, Shadow, Canny, Shadow, Edges) were processed through the combined use of remote sensing image processing and GIS software environments. Lastly, a rectangular building block model without roof structures (Level of Detail, LoD1) was automatically generated. System performance was evaluated with objective criteria, showing good results in a complex urban area featuring various types of building objects.
Keywords: building extraction; decision making strategy; photogrammetry/RS/GIS; true color aerial imagery
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Cite This Article
MDPI and ACS Style
Tarantino, E.; Figorito, B. Extracting Buildings from True Color Stereo Aerial Images Using a Decision Making Strategy. Remote Sens. 2011, 3, 1553-1567.
Tarantino E, Figorito B. Extracting Buildings from True Color Stereo Aerial Images Using a Decision Making Strategy. Remote Sensing. 2011; 3(8):1553-1567.
Tarantino, Eufemia; Figorito, Benedetto. 2011. "Extracting Buildings from True Color Stereo Aerial Images Using a Decision Making Strategy." Remote Sens. 3, no. 8: 1553-1567.