Francesco Casu IREA - CNR, Napoli, Italy

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Presentation transcript:

Francesco Casu IREA - CNR, Napoli, Italy

DUAL LEVEL PARALLELISM FOR MULTI-NODE AND MULTI-CORE ARCHITECTURES Background: Parallel SBAS (P-SBAS) workflow Casu et al., 2014, SBAS-DInSAR Parallel Processing for Deformation Time-Series Computation, IEEE JSTARS Zinno et al, 2015, A First Assessment of the P-SBAS DInSAR Algorithm Performances Within a Cloud Computing Environment, IEEE JSTARS Zinno et al., 2015, Cloud Computing for Earth Surface Deformation Analysis via Spaceborne Radar Imaging: A Case Study, IEEE Transaction Cloud Computing

Los Angeles San Diego 550 km 350 km Deformation velocity [cm/yr] >1.5 <-1.5 Overall processing time (from RAW to Time series): < 9 hours Total cost: < 1000 USD * GPS  SAR P-SBAS ENVISAT results on Amazon AWS Cloud Envisat “frames”: 18 Exploited Images: 741 Processing Nodes: 144

ESA Geohazard Exploitation Platform EO data storage: ERS, ENVISAT, Sentinel (SciHub) Computation: Cloud and GRID (G-POD) Processing tools: SBAS, ROI_PAC, StaMPS, … Cloud sandbox Collaborative environment

GEP P-SBAS service Provided as Web Processing Service (WPS) via Grid Processing On Demand (G-POD) of ESA

Coherence 0 1 Number of Images (Slices): 300 (150 interferometric pairs) Time Period: June-July 2015 Processed Area : 7,500,000 km 2 Covered Area: 3,200,000 km 2 Sentinel-1A 12-days Coherence over Europe

Training Thursday, Dec 17 th, 1pm-4pm Marriott Marquis, Sierra B Thank you!