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High Resolution 3D Earth Observation Data Analysis for Safeguards Activities

d'Angelo, Pablo and Rossi, Cristian and Minet, Christian and Eineder, Michael and Flory, Michael and Niemeyer, Irmgard (2014) High Resolution 3D Earth Observation Data Analysis for Safeguards Activities. In: Symposium on International Safeguards, pp. 1-8. Symposium on International Safeguards, 20.-24. Oct. 2014, Vienna, Austria.

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Abstract

This paper provides an overview of the investigations performed at DLR with respect to the application of high resolution SAR and optical data for 3D analysis in the context of Safeguards. The Research Center Jülich and the adjacent open cut mines were used as main test sites, and a comprehensive stack of ascending and descending TerraSAR data was acquired over two years. TerraSAR data acquisition was performed, and various ways to visualize and analyze stacks of radar images were evaluated. Building height estimation was performed using a combination of ascending- descending radar images, as well as height-form-shadow and height-from-layover. A tutorial on building signatures from SAR images highlighted the sensor specific imaging characteristics. These topics were particularly relevant in safeguards activity with a “small-budget” as only a single image – or a couple - were employed. Interferometric coherence map interpretation allows the detection of traffic on dirt roads. Digital surface models (DSM) were generated from TanDEM-X interferometric data and from optical VHR data. Sub-meter Worldview-2 and GeoEye-1 data was processed into highly detailed DSM with a grid spacing of 1 m, showing building structures. 3D change and volume detection was performed with both optical and radar DSMs. The TanDEM-X DSMs proved useful for volume change detection and computation in mining areas, and DSMs generated from optical satellite data show details on the building level. Virtual 3D fly-throughs were found to be a good tool to provide an intuitive understanding of site structure and might be useful for inspector briefing.

Item URL in elib:https://elib.dlr.de/93533/
Document Type:Conference or Workshop Item (Speech)
Title:High Resolution 3D Earth Observation Data Analysis for Safeguards Activities
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
d'Angelo, Pablopablo.angelo (at) dlr.deUNSPECIFIED
Rossi, Cristiancristian.rossi (at) dlr.deUNSPECIFIED
Minet, Christianchristian.minet (at) dlr.deUNSPECIFIED
Eineder, Michaelmichael.eineder (at) dlr.deUNSPECIFIED
Flory, MichaelM.Flory (at) iaea.orgUNSPECIFIED
Niemeyer, Irmgardi.niemeyer (at) fz-juelich.deUNSPECIFIED
Date:October 2014
Journal or Publication Title:Symposium on International Safeguards
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-8
Status:Published
Keywords:Satellite, Safeguards, Optical, Radar, 3D, TerraSAR
Event Title:Symposium on International Safeguards
Event Location:Vienna, Austria
Event Type:international Conference
Event Dates:20.-24. Oct. 2014
Organizer:IAEA
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
Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Angelo, Dr. Pablo
Deposited On:11 Dec 2014 14:58
Last Modified:31 Jul 2019 19:50

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