High-resolution satellite imagery provides an important new data source for building extraction. We demonstrate an integrated strategy for identifying buildings in 1-meter resolution satellite imagery of urban areas. Buildings are extracted using structural, contextual, and spectral information. First, a series of geodesic opening and closing operations are used to build a differential morphological profile (DMP) that provides image structural information. Building hypotheses are generated and verified through shape analysis applied to the DMP. Second, shadows are extracted using the DMP to provide reliable contextual information to hypothesize position and size of adjacent buildings. Seed building rectangles are verified and grown on a finely segmented image. Next, bright buildings are extracted using spectral information. The extraction results from the different information sources are combined after independent extraction. Performance evaluation of the building extraction on an urban test site using IKONOS satellite imagery of the City of Columbia, Missouri, is reported. With the combination of structural, contextual, and spectral information, of the building areas are extracted with a quality percentage .
This article is part of the series Advances in Intelligent Vision Systems: Methods and ApplicationsPart II.
Automated Building Extraction from High-Resolution Satellite Imagery in Urban Areas Using Structural, Contextual, and Spectral Information
Department of Electrical and Computer Engineering, University of Missouri-Columbia, Columbia, MO 65211, USA
EURASIP Journal on Advances in Signal Processing 2005, 2005:745309 doi:10.1155/ASP.2005.2196
The electronic version of this article is the complete one and can be found online at: http://asp.eurasipjournals.com/content/2005/14/745309
Received: | 1 January 2004 |
Revisions received: | 17 August 2004 |
Published: | 25 August 2005 |
© 2005 Jin and Davis
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.