Results 121 to 130 of about 1,140 (180)

Label-free distinction of implant infection-associated bacterial biofilms by Mueller matrix polarimetry. [PDF]

J Biomed Opt
Sharma G, Doll-Nikutta K, Thoms HL, Torres-Mapa ML, Roth B.   +4 more
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Generalized Polarimetric Entropy: Polarimetric Information Quantitative Analyses of Model-Based Incoherent Polarimetric Decomposition

IEEE Transactions on Geoscience and Remote Sensing, 2021
Model-based incoherent polarimetric decomposition is a frequently used technique to analyze multilook data of polarimetric synthetic aperture radars (POLSARs). The purpose of this study is to analyze and compare different model-based incoherent polarimetric decomposition algorithms from the polarimetric information change aspect.
Mingsen Lin, Wentao An
exaly   +3 more sources

An Incoherent Decomposition Algorithm Based on Polarimetric Symmetry for Multilook Polarimetric SAR Data

IEEE Transactions on Geoscience and Remote Sensing, 2020
Polarimetric symmetry, including reflection symmetry, rotation symmetry, and azimuthal symmetry, are useful concepts for describing the scattering characteristics of polarimetric synthetic aperture radar (SAR) data. In this study, for the coherency matrices of multilook polarimetric SAR data, three new scattering models were first proposed based on the
Mingsen Lin, Wentao An
exaly   +2 more sources

Fast General Polarimetric Model-Based Decomposition

2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021
The scattering mechanism interpretation of oriented manmade targets especially those with large orientation angles is a challenging task. Recently, to fit the cross-polarization and off-diagonal terms, physically meaningful double-bounce and odd-bounce scattering models have been developed by modeling their independent orientation angles. Nevertheless,
Guo-Qing Wu 0001, Si-Wei Chen 0001, Yong-Zhen Li 0001   +2 more
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Preliminary results of a new polarimetric decomposition based on polarimetric signatures

2014 IEEE Geoscience and Remote Sensing Symposium, 2014
The polarimetric decomposition is one of the key steps of SAR data processing and analysing. Its aim is to obtain maximum information about different scattering mechanisms that occur within each resolution cell of radar image. Since now, there has been a several decomposition methods proposed in the literature. The most widely used are H/A/α, Yamaguchi,
Stanislawa Porzycka-Strzelczyk, Jacek Strzelczyk, Maciej Dwornik, Andrzej Lesniak   +3 more
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Requirements for Model-based Polarimetric Decompositions

IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium, 2008
Several authors have proposed decompositions of measured polarimetric covariance matrices into the weighted sums of individual covariance matrices that represent known scattering models. In this paper we critically examine some minimum requirements that these model-based polarimetric scattering decompositions must satisfy.
Jakob J. van Zyl, Yunjin Kim, Motofumi Arii   +2 more
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Target decomposition in polarimetric interferometric SAR

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017
We presented two target decomposition methods for polarimetric interferometric SAR (PolInSAR) images parallel to the eigen-decomposition and scattering power decomposition for polarimetric SAR (PolSAR) images. For both cases, we showed the importance of PolInSAR coherence estimation, and in particular, the newly proposed best normal matrix ...
Yi Cui 0002, Yoshio Yamaguchi, Hiroyoshi Yamada, Jian Yang 0011   +3 more
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Nonlinear PCA based polarimetric decomposition

2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS, 2013
The operational level reached by polarimetric data processing techniques has been demonstrated during the last decade. The next generation of spaceborne Synthetic Aperture Radar satellites will implement full- or dual- polarimetric capabilities. In few years a huge amount of data will have to be processed in a fast and reliable way, implementing ...
Ruggero Giuseppe Avezzano, Giorgio Licciardi, Fabio Del Frate, Giovanni Schiavon, Jocelyn Chanussot   +4 more
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Three-component decomposition for polarimetric SAR

2009 IEEE International Geoscience and Remote Sensing Symposium, 2009
An improved three-component decomposition for polarimetric SAR data is proposed in this paper. The reasons of the emergence of negative powers in the Freeman decomposition have been analyzed, and two improvements are included. Firstly, the deorientation process is applied to the coherency matrix before it is decomposed into three scattering components.
Wentao An, Yi Cui 0002, Jiang Yang
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Analysis of polarimetric vessel signatures in SAR image based on polarimetric decomposition

2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS, 2013
In this paper, vessel characterization is investigated using fully polarimetric Radarsat-2 SAR data. Polarimetric decompositions, including coherent decompositions, decomposition based on eigenvector analysis and model based decomposition, are applied to the quad-pol data to investigate vessel's scattering mechanism.
Fan Wu 0001, Chao Wang 0004, Hong Zhang 0001, Bo Zhang 0001, Yixian Tang   +4 more
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