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29 October 2019 Characterization of natural and manmade targets from L-band ground-based polarimetric synthetic aperture radar data
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Characterization of polarimetric backscattering phenomenon is investigated through the ground-based synthetic aperture radar (GB-SAR) data that are collected from a test site consisting of manmade targets distributed over a vegetated terrain at L-band frequencies. The characterization of either synthetic or natural targets has been made by applying two main polarization interpretation schemes, namely amplitude-based interpretation and target-based interpretation in extracting the features of those targets. Polarimetric backscattering signatures of objects are analyzed by assessing the Pauli, total power, entropy/mean-alpha (H  /    α¯  ) images of the terrain for the goal of identification and classification of scattering mechanisms. After applying the classification methodology presented, obtained polarimetric images have demonstrated that target features can be effectively discriminated from each other providing a successful characterization of natural and manmade objects based on GB-SAR measurements. Specifically, H  /    α¯   classification results are shown to be well capable of clearly identifying the distinct scattering mechanisms of the terrain. Full-polarimetric measurements of this particular scene confirmed the ability to retrieve the physical target features to a certain extent using the high-resolution GB-SAR imagery and the relevant polarimetric analyses.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 1931-3195/2019/$28.00 © 2019 SPIE
Sevket Demirci, Betul Yilmaz, Hakan Isiker, Serhat Gokkan, and Caner Özdemir "Characterization of natural and manmade targets from L-band ground-based polarimetric synthetic aperture radar data," Journal of Applied Remote Sensing 13(4), 044512 (29 October 2019).
Received: 14 March 2019; Accepted: 10 October 2019; Published: 29 October 2019

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