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Using coherent scatterers in time series of high resolution SAR images for the monitoring of construction activity

Villamil Lopez, Carlos and Stilla, Uwe (2019) Using coherent scatterers in time series of high resolution SAR images for the monitoring of construction activity. Munich Remote Sensing Symposium 2019, 2019-09-18 - 2019-09-20, Munich, Germany.

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Abstract

In this paper, we present a method for detecting and quantifying changes due to construction activity in time series of high resolution SAR images. We propose to detect these changes by the appearance or disappearance of a large number of coherent scatterers, rather than by looking at changes in SAR amplitude or coherence. These coherent scatterers, which appear mainly in buildings and other man-made structures, will be detected in each individual image by analysing their stability across multiple frequency sub-bands. This implies that long time series are not required, unlike for other similar approaches based in persistent scatterer interferometry, and that this approach can be applied for the monitoring of fast changing areas such as temporary settlements. The presented approach will be applied for monitoring the construction activity taking place during the preparations for two large festivals in Munich, Germany.

Item URL in elib:https://elib.dlr.de/128294/
Document Type:Conference or Workshop Item (Speech)
Title:Using coherent scatterers in time series of high resolution SAR images for the monitoring of construction activity
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Villamil Lopez, CarlosCarlos.VillamilLopez (at) dlr.dehttps://orcid.org/0000-0002-6867-7689
Stilla, Uwestilla (at) tum.dehttps://orcid.org/0000-0002-1184-0924
Date:2019
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:SAR, Time Series, Coherent Scatterers, Urban Areas, Construction
Event Title:Munich Remote Sensing Symposium 2019
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:2019-09-18 - 2019-09-20
Organizer:ISPRS & TUM
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 Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Villamil Lopez, Carlos
Deposited On:15 Jul 2019 14:31
Last Modified:21 Nov 2019 10:08

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