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Ein neues Modell für eine spektrale Entmischung ohne genaue Endmemberspektren

Schramm, Matthias and Landmann, Tobias and Lohmann, Peter and Heipke, Christian (2008) Ein neues Modell für eine spektrale Entmischung ohne genaue Endmemberspektren. Photogrammetrie Fernerkundung Geoinformation (5), pp. 351-362. E. Schweizerbartsche Verlagsbuchhandlung. ISSN 1432-8364

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Abstract

This paper describes a new method for linear spectral mixture analysis. Endmember spectra are only used as initial values in a least squares adjustment according to a Gauss-Markov model. The observations of the adjustment are the spectra of pixels in a pre-defined neighbourhood, the important result are improved endmember spectra. In a subsequent step the endmember percentages per pixel are derived using the MESMA approach. Using a level 1B ASTER satellite image of Burkina Faso the accuracy of the new model is compared to that of a standard unmixing approach. The new model predicts vegetation components considerably more accurate.

Item URL in elib:https://elib.dlr.de/57436/
Document Type:Article
Title:Ein neues Modell für eine spektrale Entmischung ohne genaue Endmemberspektren
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schramm, MatthiasLehrstuhl für Fernerkundung, Universität WürzburgUNSPECIFIED
Landmann, TobiasLehrstuhl für Fernerkundung, Universität WürzburgUNSPECIFIED
Lohmann, PeterInstitut für Photogrammetrie und Geoinformation, Universität HannoverUNSPECIFIED
Heipke, ChristianInstitut für Photogrammetrie und Geoinformation, Universität HannoverUNSPECIFIED
Date:December 2008
Journal or Publication Title:Photogrammetrie Fernerkundung Geoinformation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Page Range:pp. 351-362
Editors:
EditorsEmail
Naegele, UNSPECIFIED
Obermiller, UNSPECIFIED
Publisher:E. Schweizerbartsche Verlagsbuchhandlung
ISSN:1432-8364
Status:Published
Keywords:Lineare spektrale Entmischung, L2-Norm-Schätzung, ungenaue Endmember
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)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center
Deposited By: Cord, Anna
Deposited On:16 Jan 2009
Last Modified:08 Mar 2018 18:47

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