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SAR Imagery from the Perspective of Multiscale Chirplet Transform

Radoi, Anamaria and Datcu, Mihai (2012) SAR Imagery from the Perspective of Multiscale Chirplet Transform. In: Proceedings of European Conference on Synthetic Aperture Radar (EUSAR), pp. 187-190. VDE Verlag GmbH. EUSAR 2012, 23.-26. Apr. 2012, Nuernberg, Germany. ISBN 978-3-8007-3404-7

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6217011


In SAR (Synthetic Aperture Radar) imagery, a major concern is related to finding a way of classifying the objects retrieved in the data acquisition made by a sensor. Dealing with complex-valued data requires finding an adequate descriptor that will provide enough information about the object captured and, in the end, will determine the type of the object. Taking into consideration the fact that the data acquisition model for SAR is based on chirp signals, an immediate choice for getting the desired features is the Chirplet Transform, which, practically, transforms the time space into a frequency-chirprate space. Therefore, the main purpose of the present paper consists in defining the multi-scale 2-D Chirplet Transform and finding a way of characterizing objects captured in a SAR image by using the method mentioned.

Item URL in elib:https://elib.dlr.de/79216/
Document Type:Conference or Workshop Item (Speech)
Title:SAR Imagery from the Perspective of Multiscale Chirplet Transform
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Radoi, AnamariaEPFL, SwitzerlandUNSPECIFIED
Datcu, Mihaimihai.datcu (at) dlr.deUNSPECIFIED
Date:15 May 2012
Journal or Publication Title:Proceedings of European Conference on Synthetic Aperture Radar (EUSAR)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 187-190
Publisher:VDE Verlag GmbH
Keywords:Azimuth , Chirp , Data acquisition , Frequency modulation , Synthetic aperture radar , Time frequency analysis , Transforms
Event Title:EUSAR 2012
Event Location:Nuernberg, Germany
Event Type:international Conference
Event Dates:23.-26. Apr. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Deposited On:30 Nov 2012 09:09
Last Modified:25 Jun 2014 16:29

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