Results 21 to 30 of about 1,140 (180)

Improved General Polarimetric Model-Based Decomposition for Coherency Matrix

open access: yesRemote Sensing, 2023
A representative general polarimetric model-based decomposition framework was proposed by Chen et al., which implements a simultaneous full-parameter inversion by using complete polarimetric information and solves several limitations in previous ...
Yongzhen Li   +5 more
doaj   +1 more source

Polarimetric Decomposition Analysis of ALOS PALSAR Observation Data before and after a Landslide Event

open access: yesRemote Sensing, 2012
Radar scattering mechanisms over landslide areas were studied using representative full polarimetric parameters: Freeman–Durden decomposition, and eigenvalue–eigenvector decomposition.
Chinatsu Yonezawa   +2 more
doaj   +1 more source

Performance of SAR Polarimetric Calibration Using Hybrid Corner Reflectors: Numerical Simulations and Experimental Measurements

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In this article, we devise a polarimetric calibration method utilizing only three types of calibration targets, i.e., trihedral, dihedral, and a 22.5°-rotated dihedral corner reflectors and requiring no assumptions on the scene statistics.
Suyun Wang, Kun-Shan Chen, Motoyuki Sato
doaj   +1 more source

A Review on PolSAR Decompositions for Feature Extraction

open access: yesJournal of Imaging
Feature extraction plays a pivotal role in processing remote sensing datasets, especially in the realm of fully polarimetric data. This review investigates a variety of polarimetric decomposition techniques aimed at extracting comprehensive information ...
Konstantinos Karachristos   +2 more
doaj   +1 more source

General Five-Component Scattering Power Decomposition with Unitary Transformation (G5U) of Coherency Matrix

open access: yesRemote Sensing, 2023
The polarimetric synthetic aperture radar (PolSAR) provides us with a two-by-two scattering matrix data set. The ensemble averaged coherency matrix in an imaging window derived using a scattering matrix has all non-zero elements in its three-by-three ...
Rashmi Malik   +3 more
doaj   +1 more source

Visualisation and interpretation of PolSAR data based on polarimetric coherence

open access: yesThe Journal of Engineering, 2019
Polarimetric coherence strongly relates to the target scattering characteristics. Coherences of different second-order statistics show different advantages in target discrimination in specific correspondence to physical scattering mechanism.
Liting Liang   +3 more
doaj   +1 more source

Polarimetric Decompositions of Temperate Wetlands at C-Band

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015
C-band SAR is well established as a useful sensor for water resources applications. It is commonly accepted that the backscatter from wetlands that consist of many emergent stems over open water (swamps and marshes) is dominated by a double-bounce scattering mechanism.
Brian Brisco   +6 more
openaire   +2 more sources

The Effect of Topography on Target Decomposition of Polarimetric SAR Data

open access: yesRemote Sensing, 2015
Polarimetric target decomposition enables the interpretation of radar images more easily, mostly based on physical assumptions, i.e., fitting physically-based scattering models to the polarimetric SAR observations.
Sang-Eun Park
doaj   +1 more source

Ship Recognition from Chaff Clouds with Sophisticated Polarimetric Decomposition

open access: yesRemote Sensing, 2020
Ship recognition from chaff cloud jamming is challenging since they have similar dimensions and radar cross sections. In this paper, a polarimetric recognition technique with sophisticated polarimetric decomposition is proposed.
Yongzhen Li   +6 more
doaj   +1 more source

Evaluation of full-polarimetric parameters for vegetation monitoring in rabi (winter) season

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2018
Remote sensing data particularly Polarimetric Synthetic Aperture Radar (Pol SAR) data has shown promising results in crop monitoring and classification with reasonably high accuracy in tropical countries like India.
Dipanwita Haldar   +2 more
doaj   +1 more source

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