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Adaptive InSAR Stack Multilooking Exploiting Amplitude Statistics: A Comparison between Different Techniques and Practical Results

Parizzi, Alessandro und Brcic, Ramon (2011) Adaptive InSAR Stack Multilooking Exploiting Amplitude Statistics: A Comparison between Different Techniques and Practical Results. IEEE Geoscience and Remote Sensing Letters, 8 (3), Seiten 441-445.

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Kurzfassung

Efficient estimation of the interferometric phase and complex correlation is fundamental for the full exploitation of SAR Interferometry capabilities. Particularly when combining interferometric measures arising both from distributed and concentrated targets, the interferometric phase has to be correctly extracted in order to preserve its physical meaning. Recently, an amplitude-based algorithm for the adaptive multilooking of InSAR stacks was proposed where is was shown that a comparison of the backscatter amplitude statistics is a suitable way to adaptively group and average the pixels in order to preserve the phase signatures of natural structures in the observed area. In this paper different methods to compare amplitude statistics will be presented, compared through simulation and applied to real data. Based on this, recommendations are made concerning which method to use in practice.

Dokumentart:Zeitschriftenbeitrag
Titel:Adaptive InSAR Stack Multilooking Exploiting Amplitude Statistics: A Comparison between Different Techniques and Practical Results
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Parizzi, Alessandroalessandro.parizzi@dlr.de
Brcic, Ramonramon.brcic@dlr.de
Datum:Mai 2011
Erschienen in:IEEE Geoscience and Remote Sensing Letters
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:8
Seitenbereich:Seiten 441-445
Status:veröffentlicht
Stichwörter:synthetic aperture radar (SAR), interferometry, radar backscatter statistics, coherence estimation, adaptive multilooking
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W - keine Zuordnung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):W -- keine Zuordnung (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Methodik der Fernerkundung > SAR-Signalverarbeitung
Hinterlegt von: Alessandro Parizzi
Hinterlegt am:22 Nov 2010 15:40
Letzte Änderung:12 Dez 2013 21:05

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