Building Damage Assessment Using Multisensor Dual-Polarized Synthetic Aperture Radar Data for the 2016 M 6.2 Amatrice Earthquake, Italy
作者： Sadra Karimzadeh , Masashi Mastuoka
DOI: 10.3390/RS9040330
关键词: Dual polarized 、 Coherence (signal processing) 、 Dual-polarization interferometry 、 Synthetic aperture radar 、 Geology 、 Linear discriminant analysis 、 Remote sensing
摘要: On 24 August 2016, the M 6.2 Amatrice earthquake struck central Italy, well-known as a seismically active region, causing considerable damage to buildings in town of and surrounding area. Damage from this was assessed quantitatively by means multitemporal synthetic aperture radar (SAR) coherence SAR intensity methods using dual-polarized data obtained Sentinel-1 (VV, VH) ALOS-2 (HH, HV) satellites. We developed linear discriminant functions based on three items: (1) differential values; (2) backscattering values pre- post-event images; (3) binary map optical imagery. The accuracy proposed model 84% for 76% data. proxy maps deduced can be useful parcel-by-parcel assessment building development spatial models allocation urban search rescue operations.
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