Object-based image information fusion using multisensor earth observation data over urban areas
Wurm, Michael and Taubenböck, Hannes and Schardt, M. and Esch, Thomas and Dech, Stefan (2011) Object-based image information fusion using multisensor earth observation data over urban areas. International Journal of Image and Data Fusion, 2 (2), pp. 121-147. Taylor and Francis Group . DOI: 10.1080/19479832.2010.543934. ISSN 1947-9832.
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At present, the majority of the world’s population is living in urban areas. Cities undergo constant development in their morphology. The latter is always a turnedinto-stone representation of the coetaneous social, economical and technical values. The technical developments in recent years of very high-resolution spaceborne earth observation methods enable mapping of large urban areas with a decent level of detail. Additionally, detailed elevation information of urban areas in developed countries is widely available. Digital surface models (DSMs) support the classification of urban structures beyond two-dimensional classifications. We present a hierarchical, object-based and transferable framework to extract the urban structure on a high level of geometric detail for two test sites in Germany. The results show accuracies of above 90% for the land-use/land-cover classification for both test sites applying the same routines. DSMs from various sources have been utilised for the extraction of the individual building structures with accuracies of 90% and 80%, respectively. The methodology is suited to extract the urban structure on the level of individual buildings and the results can be utilised as 3D city model for the purpose of decision-making, urban planning and further analyses.
|Title:||Object-based image information fusion using multisensor earth observation data over urban areas|
|Journal or Publication Title:||International Journal of Image and Data Fusion|
|In ISI Web of Science:||No|
|Page Range:||pp. 121-147|
|Publisher:||Taylor and Francis Group|
|Keywords:||DSM; very high resolution optical satellite imagery; urban structure; laserscanning; object-based|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Geowissenschaftl. Fernerkundungs- und GIS-Verfahren (old)|
|Institutes and Institutions:||German Remote Sensing Data Center > Land Surface|
|Deposited By:||Dr. Hannes Taubenböck|
|Deposited On:||14 Jul 2011 13:35|
|Last Modified:||18 Sep 2013 03:02|
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