Now showing items 1-7 of 7

    • A model-free four component scattering power decomposition for polarimetric SAR data 

      Dey, Subhadip; Bhattacharya, Avik; Frery, Alejandro C.; López Martínez, Carlos; Rao, Yalamanchili S. (Institute of Electrical and Electronics Engineers (IEEE), 2021-03-29)
      Article
      Open Access
      Target decomposition methods of polarimetric Synthetic Aperture Radar (PolSAR) data explain scattering information from a target. In this regard, several conventional model-based methods utilize scattering power components ...
    • Built-up area mapping using Sentinel-1 SAR data 

      Verma, Abhinav; Bhattacharya, Avik; Dey, Subhadip; López Martínez, Carlos; Gamba, Paolo (Elsevier, 2023-09)
      Article
      Restricted access - publisher's policy
      A timely and accurate spatial mapping of built-up areas (BA) is crucial in making cities and human settlements safe, resilient, and sustainable. Synthetic Aperture Radar (SAR) data are useful for BA mapping due to strong ...
    • Dual-polarimetric descriptors from Sentinel-1 GRD SAR data for crop growth assessment 

      Bhogapurapu, Narayanarao; Dey, Subhadip; Bhattacharya, Avik; Mandal, Dipankar; López Sánchez, Juan Manuel; McNairn, Heather; López Martínez, Carlos; Rao, Yalamanchili S. (2021-08)
      Article
      Open Access
      Accurate and high-resolution spatio-temporal information about crop phenology obtained from Synthetic Aperture Radar (SAR) data is an essential component for crop management and yield estimation at a local scale. Crop ...
    • Radar surface scattering index from dual-pol Sentinel-1 SLC and GRD SAR data 

      Verma, Abhinav; Bhattacharya, Avik; Dey, Subhadip; López Martínez, Carlos; Gamba, Paolo (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Conference report
      Open Access
      Scattering information extraction is crucial for enhanced target characterization. While numerous parameters have been introduced to describe scattering from targets using full-polarimetric SAR data, the challenge lies in ...
    • Scattering power components from dual-pol Sentinel-1 SLC and GRD SAR data 

      Verma, Abhinav; Bhattacharya, Avik; Dey, Subhadip; López Martínez, Carlos; Gamba, Paolo (2024-06)
      Article
      Restricted access - publisher's policy
      Accurate land cover information is pivotal in numerous planning and management activities. Synthetic Aperture Radar (SAR) data has emerged as a valuable resource for land cover assessment. Extracting scattering power ...
    • Soil permittivity estimation over croplands using full and compact polarimetric SAR data 

      Bhogapurapu, Narayanarao; Dey, Subhadip; Bhattacharya, Avik; López Martínez, Carlos; Hajnsek, Irena; Rao, Yalamanchili S. (Institute of Electrical and Electronics Engineers (IEEE), 2022-11-23)
      Article
      Open Access
      Soil permittivity estimation using Polarimetric Synthetic Aperture Radar (PolSAR) data has been an extensively researched area. Nonetheless, it provides ample scope for further improvements. The vegetation cover over the ...
    • Target scattering characterization in sar polarimetry using model-free approaches 

      Dey, Subhadip; Bhattacharya, Avik; Frery, Alejandro C.; López Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference lecture
      Open Access
      Target decomposition methods for polarimetric Synthetic Aperture Radar (PolSAR) data aim at explaining the scattering information. In this regard, several conventional model-based methods use scattering power components ...