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InSAR Phase Unwrapping using Convolutional Neural Network

Calvanese, Francesco and Sica, Francescopaolo and Scarpa, Giuseppe and Rizzoli, Paola (2020) InSAR Phase Unwrapping using Convolutional Neural Network. In: Proceedings of the IEEE Radar Conference. IEEE Radar Conference (RadarCon), 2020-09-21 - 2020-09-25, Florence, Italy.

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Abstract

Bi-dimensional phase unwrapping is among the main critical tasks in SAR interferometry. Indeed, before the actual topography or deformation retrieval, the absolute phase values should be reconstructed from their modulo-2π wrapped version. Due to the presence of noise, the interferometric phase normally presents residues, i.e. phase jumps greater than on a single pixel. The residues imply that the unwrapping procedure is path-dependent, i.e. it admits different solutions. In this work, we present a preliminary investigation for the implementation of a phase unwrapping algorithm that exploits both the interferometric phase and coherence as input to a Convolutional Neural Network. The obtained results are compared with state-of-the-art algorithms.

Item URL in elib:https://elib.dlr.de/140353/
Document Type:Conference or Workshop Item (Speech)
Title:InSAR Phase Unwrapping using Convolutional Neural Network
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Calvanese, FrancescoUniversitá di Napoli Federico IIUNSPECIFIED
Sica, FrancescopaoloFrancescopaolo.Sica (at) dlr.dehttps://orcid.org/0000-0003-1593-1492
Scarpa, Giuseppegiuseppe.scarpa (at) unina.itUNSPECIFIED
Rizzoli, PaolaPaola.Rizzoli (at) dlr.dehttps://orcid.org/0000-0001-9118-2732
Date:2020
Journal or Publication Title:Proceedings of the IEEE Radar Conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:SAR Interferometry, Deep Learning, Phase Unwrapping
Event Title:IEEE Radar Conference (RadarCon)
Event Location:Florence, Italy
Event Type:international Conference
Event Dates:2020-09-21 - 2020-09-25
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - SAR methods
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Sica, Dr. Francescopaolo
Deposited On:12 Jan 2021 18:10
Last Modified:02 Mar 2021 12:31

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