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Mapping and updating maps in dense urban regions using high resolution digital airborne imagery, surface models and object-based classification

Oczipka, Martin und Bucher, Tilman und Trosset, Anna-Maria (2008) Mapping and updating maps in dense urban regions using high resolution digital airborne imagery, surface models and object-based classification. In: IAPRS, Beijing 2008, XXXVII (B7), Seiten 551-555. ISPRS Congress 2008, 2008-07-02 - 2008-07-12, Peking (China). ISSN 1682-1750

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Kurzfassung

Over the last couple of years more and more analogue airborne cameras were replaced by digital cameras. Digitally recorded image data show significant advantages to film based data. Digital aerial photographs exhibit a much better radiometric resolution. Image information can be acquired in shaded areas too. This information is essential for a stable and continuous classification, because no data or unclassified areas should be as small as possible. Considering this technological progress, one of the basic questions is how the potential of high radiometric and geometric resolution data can be used in an automatic analysis particularly in urban regions. For this study an object-based classification algorithm was selected to evaluate its suitability to update maps. In this project, image data of two digital airborne cameras were used. The High Resolution Stereo Camera - Airborne eXtended, HRSC-AX, an extended version of the HRSC-A and the Vexcel UltraCamD. Both cameras provide similar good and accurate image data and Digital Surface Model (DSM) data, but they cannot be directly compared, as both have different spectral and spatial characteristics and different pre-processing. Both resulting data sets were used in two separate analyses to develop and test an automated object-based classification procedure using the commercial software Definiens Developer. Taking the aim of map updating into account, emphasis was set on the delineation quality of buildings and correct detection of vegetation and impervious surfaces. As project area the centre of Berlin, Germany, was selected.

Dokumentart:Konferenzbeitrag (Vortrag, Paper)
Titel:Mapping and updating maps in dense urban regions using high resolution digital airborne imagery, surface models and object-based classification
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Oczipka, MartinNICHT SPEZIFIZIERT
Bucher, TilmanNICHT SPEZIFIZIERT
Trosset, Anna-MariaNICHT SPEZIFIZIERT
Datum:Juli 2008
Erschienen in:IAPRS, Beijing 2008
Referierte Publikation:Ja
In ISI Web of Science:Ja
Band:XXXVII
Seitenbereich:Seiten 551-555
ISSN:1682-1750
Status:veröffentlicht
Stichwörter:Classification, HRSC-AX, Ultracam, Feature detection, Multi-spectral remote sensing, Airborne remote sensing
Veranstaltungstitel:ISPRS Congress 2008
Veranstaltungsort:Peking (China)
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:2008-07-02 - 2008-07-12
Veranstalter :ISPRS
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W -- keine Zuordnung (alt)
Standort: Berlin-Adlershof
Institute & Einrichtungen:Optische Informationssysteme
Hinterlegt von: Ute Dombrowski
Hinterlegt am:13 Okt 2008
Letzte Änderung:27 Apr 2009 15:16

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