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Comparison of polarimetric methods in image classification and SAR interferometry applications

Alberga, Vito (2004) Comparison of polarimetric methods in image classification and SAR interferometry applications. DLR-Forschungsbericht. 2004-05. Dissertation. 171 S.

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Official URL: http://archiv.tu-chemnitz.de/pub/2004/0125


In this thesis, an analysis of the various parameters derivable from polarimetric SAR measurements is reported. The theory related to polarimetry and the state of the art of its application to remote sensing of the Earth by means of SAR systems are thoroughly discussed. The experimental part of this work pursues the task of analyzing all the relevant polarimetric parameters. In the first part of the thesis, a systematic study of the different ways of examining polarimetric data has been performed. The main aim was to evaluate possible differences among the various polarimetric observables and the amount and usefulness of the information they contain. In this context, these observables have been compared by means of the accuracy estimates resulting from classification tests of real polarimetric SAR data. In the analysis proposed here, such accuracy estimates act as an objective measure of the ``utility'' of the observables. In the second part, some of the aforementioned polarimetric observables have been used for interferometric applications. The main objective was to determine if a characterization of volume scattering, one of the terms affecting the interferometric coherence, is possible. Once again a comparison of the selected parameters has been done in terms of their capability to reduce the effects of volume scattering in interferometric coherence images. Since this work is intended as a general survey of polarimetric observables, completeness has been an important goal, which the author hopes to have achieved. The twofold view of the investigations reported here, oriented both to classification and interferometry, contributes to a comprehensive understanding of the parameters under study.

Item URL in elib:https://elib.dlr.de/6207/
Document Type:Monograph (DLR-Forschungsbericht, Dissertation)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Comparison of polarimetric methods in image classification and SAR interferometry applications
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:171
Keywords:Radar imaging, synthetic aperture radar (SAR), SAR polarimetry, SAR interferometry, polarimetric SAR interferometry, image classification
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 - Projekt TerraSAR-X Kalibration und Projektunterstützung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Alberga, Vito
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 19:55

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