Comparison of Persistent Scatterer Interferometry and SAR Tomography Using Sentinel-1 in Urban Environment

DOI Web Site 被引用文献1件
  • Alessandra Budillon
    Dipartimento di Ingegneria, Università degli Studi di Napoli “Parthenope”, 80143 Napoli NA, Italy
  • Michele Crosetto
    Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Division of Geomatics, 08860 Castelldefels, Spain
  • Angel Caroline Johnsy
    Dipartimento di Ingegneria, Università degli Studi di Napoli “Parthenope”, 80143 Napoli NA, Italy
  • Oriol Monserrat
    Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Division of Geomatics, 08860 Castelldefels, Spain
  • Vrinda Krishnakumar
    Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Division of Geomatics, 08860 Castelldefels, Spain
  • Gilda Schirinzi
    Dipartimento di Ingegneria, Università degli Studi di Napoli “Parthenope”, 80143 Napoli NA, Italy

説明

<jats:p>In this paper, persistent scatterer interferometry and Synthetic Aperture Radar (SAR) tomography have been applied to Sentinel-1 data for urban monitoring. The paper analyses the applicability of SAR tomography to Sentinel-1 data, which is not granted, due to the reduced range and azimuth resolutions and the low resolution in elevation. In a first part of the paper, two implementations of the two techniques are described. In the experimental part, the two techniques are used in parallel to process the same Sentinel-1 data over two test areas. An intercomparison of the results from persistent scatterer interferometry and SAR tomography is carried out, comparing the main parameters estimated by the two techniques. Finally, the paper addresses the complementarity of the two techniques, and in particular it assesses the increase of measurement density that can be achieved by adding the double scatterers from SAR tomography to the persistent scatterer interferometry measurements.</jats:p>

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