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Improvement of Polarimetric SAR Calibration based

Kimura, Hiroshi and Mizuno, T. and Papathanassiou, Konstantinos and Hajnsek, Irena (2004) Improvement of Polarimetric SAR Calibration based. In: Proceedings IGARSS2004, Vol. I, pp. 184-187. IGARSS2004, Anchorage, Alaska, Sep. 2004, Anchorage, Alaska.

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Abstract

The polarimetric cross-talk calibration algorithm proposed by Quegan, which is more general than the one proposed by van Zyl, is modified to improve polarimetric SAR calibration. L-band polarimetric SAR data acquired by the JAXA/NICT Airborne Pi-SAR, including a variety of natural and artificial targets, are calibrated introducing noise imbalance of cross-polarized channels into the Quegan algorithm and deriving the cross-talk parameters from areas with low correlation between like and cross-polarized observed echoes. The achieved enhancement in stability of cross-talk parameter estimation and removal over is demonstrated in terms of CR response analysis and polarimetric classification result.

Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Improvement of Polarimetric SAR Calibration based
Authors:
AuthorsInstitution or Email of Authors
Kimura, HiroshiUNSPECIFIED
Mizuno, T.UNSPECIFIED
Papathanassiou, KonstantinosUNSPECIFIED
Hajnsek, IrenaUNSPECIFIED
Date:2004
Journal or Publication Title:Proceedings IGARSS2004
Volume:Vol. I
Page Range:pp. 184-187
Status:Published
Keywords:Polarimetry, calibration, Quegan algorithm, van Zyl
Event Title:IGARSS2004, Anchorage, Alaska, Sep. 2004
Event Location:Anchorage, Alaska
Event Type:international Conference
Organizer:IEEE
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 -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Dr.rer.nat. Irena Hajnsek
Deposited On:03 Feb 2006
Last Modified:06 Jan 2010 19:58

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