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Adaptive SAR Image Compression in Wavelet Domain

Benz, U.C. and Fischer, J. (2000) Adaptive SAR Image Compression in Wavelet Domain. In: EUSAR 2000 Proceedings, pp. 297-300. VDE Verlag, Berlin, Offenbach. EUSAR 2000, München, 23.-25,05.2000. ISBN 3-8007-2544-4.

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Abstract

Synthetic Aperture Radar (SAR) provides valuable information for the remote sensing community. Polarimetry and interferometry are most important applications. They require amplitude and phase information of complex SAR data. Here, we propose a flexible phase preserving algorithm (FLECS) to compress these complex SAR data. Flexibility allows adjustment of compression ratio to the application's requirements. Adaptability of the algorithm ensures a signal-to-distortion-noise ratio and a phase error, which is nearly independent from image contents. The algorithm uses wavelet transform for energy packing and linear quantization for lossy compression in transform domain. In case of separately performed phase compression vector quantization is applied.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2000,
Title:Adaptive SAR Image Compression in Wavelet Domain
Authors:
AuthorsInstitution or Email of Authors
Benz, U.C.UNSPECIFIED
Fischer, J.UNSPECIFIED
Date:2000
Journal or Publication Title:EUSAR 2000 Proceedings
Page Range:pp. 297-300
Publisher:VDE Verlag, Berlin, Offenbach
ISBN:3-8007-2544-4
Status:Published
Keywords:Synthetic Aperture Radar (SAR), polarimetry, interferometry, FLECS, image contents, wavelet transform, energy packing, vector quantization
Event Title:EUSAR 2000, München, 23.-25,05.2000
Organizer:DLR-VDE-ITG-FGAN-DaimlerCryslerAerospace
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):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Jens Fischer
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 19:33

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