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Detection of Damaged Buildings in Crisis Areas from Panchromatic Remote Sensing Data Detektion von zerstörten Gebäuden in Krisengebieten aus panchromatischen Fernerkundungsdaten

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Abstract:

This paper focuses on change detection in areas where catastrophic events took place which resulted in rapid destruction especially of man-made structures. Standard methods for automated change detection prove not to be sufficient; therefore a new method is developed and tested. The presented method allows a fast detection and visualization of change in areas of crisis or catastrophes. This is an important requirement for planning and coordination of help. The proposed method is based on frequency analysis, segmentation and texture parameters. Ultimately, this method combines different approaches in a decision tree. This combined approach shows superior results when tested against to five standard change detection methods.

German
Das Ziel dieses Artikels ist die Analyse von Veränderungen in Gebieten, in denen sich Katastrophen mit plötzlichen Änderungen an Gebäuden und der Infrastruktur ereignet haben. Standardverfahren der Veränderungsanalyse führen zu keinem zufriedenstellenden Ergebnis, daher wurde ein neues Verfahren entwickelt. Die in diesem Artikel dargestellte Methode erlaubt eine schnelle Detektion und Visualisierung von Veränderungen in Krisen- und Katastrophengebieten. Dies ist eine wichtige Voraussetzung für die Planung und Koordination von Hilfskrafteinsätzen. Die vorgeschlagene Methode basiert auf Frequenzanalysen, Segmentierung und Texturmerkmalen. Sie kombiniert die unterschiedlichen Ansätze in einem Verfahren mittels eines Entscheidungsbaumes. Im Vergleich mit fünf Standardverfahren zeigte dieser neue Ansatz die besten Resultate.

Keywords: CHANGE DETECTION; EDGE DETECTION; FOURIER; SEGMENTATION; TEXTURE PARAMETERS

Language: German

Document Type: Research Article

DOI: http://dx.doi.org/10.1127/1432-8364/2011/0084

Publication date: August 1, 2011

More about this publication?
  • Photogrammetrie - Fernerkundung - Geoinformation (PFG) is an international scholarly journal covering the progress and application of photogrammetric methods, remote sensing technology and the intricately connected field of geoinformation processing.

    Papers published in PFG highlight new developments and applications of these technologies in practice. The journal hence addresses both researchers and student of these disciplines at academic institutions and universities and the downstream users in both the private sector and public administration.

    PFG places special editorial emphasis on the communication of new methodologies in data acquisition, new approaches to optimized processing and interpretation of all types of data which were acquired by photogrammetric methods, remote sensing, image processing and the computer-aided interpretation of such data in general.

    PFG is the official journal of the German Society of Photogrammetry and Remote Sensing.
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