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Comparison of DSM Generation Methods on IKONOS Images

Krauß, Thomas and Lehner, Manfred and Reinartz, Peter and Stilla, Uwe (2006) Comparison of DSM Generation Methods on IKONOS Images. Photogrammetrie Fernerkundung Geoinformation (6), pp. 303-314. E. Schweizerbartsche Verlagsbuchhandlung, Stuttgart. ISSN 1432-8364.

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Abstract

In this article two methods for a almost fully automatic generation of digital surface models from Ikonos stereo data are described and limitations are analyzed. An important critical parameter for the derivation of DSM is the convergence angle of the stereo pair. Impacts of this value are shown and discussed. In the first method parallaxes are derived by a classical hierarchical intensity based matching not assuming (quasi) epipolar geometry. The second discussed approach is based on epipolar images provided by Space Imaging or calculated from the level 1 data. The parallaxes are extracted via a dynamic programming approach. The results are compared to a given laser DSM and the usability of the methods for three dimensional modelling of urban areas is discussed.

Document Type:Article
Title:Comparison of DSM Generation Methods on IKONOS Images
Authors:
AuthorsInstitution or Email of Authors
Krauß, ThomasUNSPECIFIED
Lehner, ManfredUNSPECIFIED
Reinartz, PeterUNSPECIFIED
Stilla, UweUNSPECIFIED
Date:July 2006
Journal or Publication Title:Photogrammetrie Fernerkundung Geoinformation
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 303-314
Publisher:E. Schweizerbartsche Verlagsbuchhandlung, Stuttgart
ISSN:1432-8364
Status:Published
Keywords:VHR data, Stereo Data, DSM generation, dynamic programming
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 Bildwissenschaften (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Image Science
Deposited By: Thomas Krauß
Deposited On:06 Mar 2007
Last Modified:27 Apr 2009 13:00

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