Ansari, Homa

Cesca, Simone

De Zan, Francesco

Eineder, Michael

Ge, Nan

Haghshenas Haghighi, Mahmud

Mania, Rene

Montazeri, Sina

Motagh, Mahdi

Parizzi, Alessandro

Shau, Robert

Walter, Thomas

Zhu, Xiao Xiang

Institute of Transport Research:Publications

TecVolSA: The Development of an Intelligent Sentinel-1 Data Exploitation SystemHoma Ansari, Francesco De Zan, Sina Montazeri, Alessandro Parizzi, Robert Shau, Nan Ge,René Mania, Simone Cesca, Mahmud Haghshenas Haghighi, Mahdi Motagh, Thomas Walter, Xiaoxiang Zhu, Michael Eineder German Aerospace Center (DLR) SAR signal processingGerman Aerospace Center (DLR) EO Data Science German Research Center for Geoscience (GFZ)Technical University of Munich (TUM)ESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 1TecVolSA: monitoring Tectonics and Volcanoes of South AmericaESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 2⋯ 4D mapping of the Earth surface5 year SAR dataEfficient Interferometric processingSentinel-1 6-day data acquisitionDeformation typeo Seismic o Volcanico UnknownCNN-based ArchitectureReal Data4D Earth SurfaceSimulated Data Geophysical modelsResearch Center for GeosciencesGeophysical expertise o Physical signal interpretationo Field campaigno In situ measurementso Geophysical modeling and simulations SAR Signal Processing4D mapping of the Earth surface from Sentinel-1EO Data Science Artificial Intelligence: Efficient information extraction from the 4D data Earth Surface Displacement RetrievalESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 35 Year SAR DataSentinel-1 A/B2014 – 2019Central Volcanic Zone of the AndesRetrieved Data Products Surface displacement velocity maps:precision*: 1 mm/yr at large scale4D point clouds:temporal evolution of the Earth surface*Algorithms to ensure high-precision:Ansari et. al. “Study of Systematic Bias in Measuring Deformation with SAR Interferometry”, IEEE-TGRS 2020Parizzi  et. al. “Validation of InSAR Large Scale Deformation Measurements Performance: the Impact of Model-Based Tropospheric Delay Corrections”, submitted to IEEE-TGRSAscending GeometryDescending GeometryH. VolcanoesP. VolcanoesInvestigation of Various Signal SourcesESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 4Chile - Atacama Salt PaneLithium mining activities Andes - Lastarria Volcano  Volcanic deformationHard carbonate crust upliftingSoft sulphate crust subsidingArgentina - TebenquichoSolifluction signalChile – Illapel2015 8.3 Mw Earthquake and aftershocksDisplacement Velocity [mm/yr]+5-50Coseismic interferogram Surface Displacement Time Series In-situ Measurement Campaign by GFZ Surface Displacement Map20-20EQ event 16 Sept. 2015 AI for efficient information extraction from Terabytes of DataESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 5Unsupervised Machine Learning:o Clustering similar signalso Detection of non linear transient signalso Detection of solifluction signal surrounding the volcanoes Supervised Deep Learning:o Training CNNs using simulated data o Classification of deformation mapso Anomaly detectionInput7x7 conv, 165x5 conv, 32PoolPoolPoolFC 60FC 2SoftmaxConvNet83x3 conv, 643x3 conv, 1283x3 conv, 64FC 2050Deformation typeo Seismic o Volcanico UnknownESA Phi Week - Sep 2020 - TecVolSADLR.de  •  Chart 6📧 Homa.Ansari@dlr.de@HomaAnsari_

TecVolSA: The Development of an Intelligent Sentinel-1 Data Exploitation System over Tectonics and Volcanoes in South America

https://elib.dlr.de/137043/1/PhiWeek_HomaAnsari.pdf

TecVolSA: The Development of an Intelligent Sentinel-1 Data Exploitation System over Tectonics and Volcanoes in South America

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Institute of Transport Research:Publications