Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/7852
AuthorsStramondo, S. 
Del Frate, F. 
Picchiani, M. 
Schiavon, G. 
TitleSeismic Source Quantitative Parameters Retrieval From InSAR Data and Neural Networks
Issue Date2011
Series/Report no.1/49(2011)
DOI10.1109/TGRS.2010.2050776
URIhttp://hdl.handle.net/2122/7852
KeywordsInSAR
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.05. Downhole, radioactivity, remote sensing, and other methods 
AbstractThe basic idea of this paper relies on the concurrent exploitation of the capabilities of neural networks (NNs) and SAR interferometry (InSAR) for the characterization of a seismic source and the estimation of its geometric parameters. When a moderate-to-strong earthquake occurs, we can apply the InSAR technique to compute a differential interferogram. The earthquake is generated by an active seismogenic fault having its own specific geometry. The corresponding differential interferogram contains, in principle, information concerning the geometry of the seismic source that the earthquake comes from. To perform the inversion operation, a novel approach based on NNs is considered. This requires the generation of a statistically significant number of synthetic interferograms necessary for the network training phase. Each of them corresponds to a different combination of fault geometric parameters. After the training, the network is ready to perform, in real time, the inversion on new differential interferograms. This paper illustrates such a methodology and its validation on a set of experimental data.
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