Results 191 to 200 of about 134,123 (233)
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SAR polarimetric features of agricultural areas
International Journal of Remote Sensing, 1995The potential of synthetic aperture radar (SAR) in monitoring soil and vegetation parameters is being evaluated worldwide through extensive investigations. A significant experiment performed on this subject was the Multi-sensor Airborne Campaign (MAC 91), carried out during the northern summer of 1991 on several sites in Europe, based on the NASA/JPL ...
S Baronti +5 more
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Subaperture analysis of polarimetric SAR imagery
2007 IEEE International Geoscience and Remote Sensing Symposium, 2007In this paper we investigate the nonstationary behavior of individual polarimetric parameters, e.g. entropy, anisotropy, alpha angle, orientation angle, helicity, etc. We distinguish between parameters that depend solely on the eigenvalues of the standard Cloude-Pottier polarimetric decomposition (span, entropy and anisotropy) and the others that ...
John Kelly +2 more
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Polarimetric SAR imaging of buried landmines
IEEE Transactions on Geoscience and Remote Sensing, 1998If the fields incident on a buried body of revolution are polarized vertically or horizontally (relative to the ground), the backscattered fields are exclusively copolarized (i.e., there are no cross-polarized backscattered fields). After substantiating this theoretically, measured ultrawideband (UWB) synthetic aperture radar (SAR) data are used for ...
Lawrence Carin +2 more
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Coherence optimisation in polarimetric SAR interferometry
IGARSS'97. 1997 IEEE International Geoscience and Remote Sensing Symposium Proceedings. Remote Sensing - A Scientific Vision for Sustainable Development, 2002The authors outline a general formulation for vector wave interferometry and then solve the optimisation problem involving maximisation of phase. In this way the authors are able to show that wave polarisation effects play an important role in the extraction of information from radar interferograms.
Cloude, S.R., Papathanassiou, K.P.
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A review of polarimetric SAR speckle filtering
2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017In this paper, the recent advancement of PolSAR filtering is reviewed. Speckle filtering is a necessary procedure for most of PolSAR applications, to reduce speckle noise level and to form incoherent scattering by averaging coherency or covariance matrices of neighboring pixels.
Jong-Sen Lee +2 more
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Polarimetric SAR interferometry evaluation in mangroves
2014 IEEE Geoscience and Remote Sensing Symposium, 2014TanDEM-X (TDX) enables to generate an interferometric coherence without temporal decorrelation effect that is the most critical factor for a successful Pol-InSAR inversion, as have recently been used for forest parameter retrieval. This paper presents mangrove forest height estimation only using single-pass/single-baseline/dual-polarization TDX data by
Seung-Kuk Lee +3 more
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Signal Models for Changes in Polarimetric SAR Data
IEEE Transactions on Geoscience and Remote Sensing, 2022Synthetic aperture radar (SAR) polarimetry can improve change detection in terms of detection capabilities. In this work, we are proposing to extend the idea of target decomposition to changes affecting partial targets. This will allow the separation of polarimetric-dependent changes, providing extra information that can be used to better understand ...
Armando Marino, Matteo Nannini
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Polarimetric SAR Tomography for the Characterization of Forested Areas
2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021Polarimetric Synthetic Aperture Radar Tomography (TomoSAR) is a technology to image the three-dimensional (3D) structure of the illuminated media. TomoSAR exploits the key feature of microwaves to penetrate into vegetation, snow, and ice, hence providing the possibility to see features that are hidden to optical and hyper-spectral systems.
Tebaldini S. +5 more
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Evaluation of classifiers for polarimetric SAR classification
2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS, 2013Polarimetric SAR data is been extensively used for the application of land use and land cover classification. Various classifier approaches have been applied to many different polarimetric images employing numerous features. In this paper, we want to provide an evaluation of commonly used supervised classifiers within the field of polarimetric SAR ...
Stefan Uhlmann, Serkan Kiranyaz
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Potentials of a compact polarimetric SAR system
2010 IEEE International Geoscience and Remote Sensing Symposium, 2010The goal of this study is to show the potential of a compact-pol SAR system for vegetation applications. Compact-pol concept has been suggested to minimize the system design while maximize the information and is declined as the π/4, π/2 and hybrid modes.
My-Linh Truong-Loi +4 more
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