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- W2595676490 abstract "Terrafirma is an ESA project and a services element inthe framework of the Global Monitoring forEnvironment and Security (GMES) service elementprogramme. Based on the Persistent ScattererInterferometry (PSI), the project provides a PanEuropean ground motion hazard information service.The motion monitoring is supplied by commercialcompanies which act as Operational Service Providers(OSPs).A Product Validation Workgroup (PVW) has beenformed for the validation and certification of the variousmotion data products which can provide different levelsof value adding. Four OSPs operate processing chainsfor the generation of the basic level 1 product. Thesetake part in a validation project which intends todemonstrate reliability and accuracy of the PSI motionmonitoring. Amsterdam and Alkmaar in the Netherlandsare the two test sites which are chosen for thecomparison. Three data stacks - two from Envisat andone from ERS are processed independently by the OSPsin the course of the validation.Two strategies for the validation are foreseen in thevalidation project: on the one hand the ProductValidation and on the other the Process Validation. Bothare independent and complementary to each other. TheProduct Validation utilizes available ground truthinformation for the validation and assesses the finalgeocoded motion data. The Process Validation is a newtype of PSI validation and compares the intermediatedata in slant range only and consequently avoidsproblems of geocoding, misregistration andinterpolation. This comparison is made by the GermanAerospace Center (DLR) with assistance of the Instituteof Geomatics (IG) which leads the overall validationproject. The new validation approach and theintermediate validation results are reported." @default.
- W2595676490 created "2017-03-23" @default.
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- W2595676490 date "2007-11-01" @default.
- W2595676490 modified "2023-09-27" @default.
- W2595676490 title "Persistent scatterer processing validation in the course of the Terrafirma project" @default.
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