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Fernerkundung

Forschungsaktivitäten und Projekte


Im Bereich Fernerkundung sind folgende Felder im Fokus der Forschungsaktivitäten:

  • Sensoren zur flugzeug- und satellitengestützten Erdbeobachtung,
  • Analyse multi- und hyperspektraler Bilddaten,
  • Flugzeuglaserscannung,
  • Auswertung von SAR-Daten (= Synthetic Aperture Radar)
  • Erzeugung von Höhenmodellen sowie Erkennung von Geländedeformation mittels SAR-Interferometrie
  • 3D-Rekonstruktion aus Laserscan- und Radardaten,
  • Zeitreihenanalyse,
  • Datenfusion und
  • übergreifend die Entwicklung von Methoden zur Steigerung des Automationsgrads der Bild- und Datenanalyse.

Laufende Projekte


Bathymetry by fusion of airborne laser scanning and multi-spectral aerial imagery Bathymetry by fusion of airborne laser scanning and multi-spectral aerial imagery
(gefördert durch DFG, 2017-18)

Knowledge about the bathymetry of water bodies is of high economic, social, and ecologic importance. Whereas charting bathymetry for navigational purposes is indispensable for ensuring safe shipping traffic, monitoring the quantity and quality of fresh water resources gains more and more importance, especially in the light of climate change. In the European context, three water related directives, namely the water framework directive (2000), the flood directive (2007), and the Fauna-Flora-Habitat directive (1992), request monitoring in a periodic cycle. Repeat acquisition of rivers and other inland water bodies is one of the essential tasks in fulfilling the above directives and requires efficient techniques for capturing bathymetry. The same applies to the coastal zone with applications in shore protection after storm events, monitoring of benthic habitats, etc. Mehr Informationen…


4D Change Detection based on Persistent Scatterer Interferometry 4D Change Detection based on Persistent Scatterer Interferometry

Persistent Scatterer Interferometry (PSI) detects and analyses PS points, which are characterized by strong, stable, and coherent radar signals throughout a time series of SAR images. The attributes of the PS points, such as line-of-sight velocities (mm/year level) and topography height, can be derived and used for topography reconstruction and deformation analysis in a scene of interest. In practice, PSI works particularly well in monitoring built-up cities because densely clustered PS points are anticipated to be detected from stationary buildings. More…


 

For further information please contact Prof. Dr.-Ing. Uwe Sörgel