Results 51 to 60 of about 3,181,576 (160)

A new decomposition of compound polarimetric targets [PDF]

open access: yes, 2021
The use of polarimetric Synthetic Aperture Radar (PolSAR) has the capability to improve detection and bio-physical parameters extraction in many remote sensing applications compared to the use of a single polarisation channel.
Marino, Armando
core  

Metasurface‐Enabled Single‐Shot Intensity‐and‐Phase‐Interrogation Surface‐Plasmon‐Resonance Microscopy

open access: yesLaser &Photonics Reviews, EarlyView.
A metasurface‐enabled full‐Stokes polarimeter is integrated with phase‐interrogated surface plasmon resonance microscopy to enable single‐shot recovery of intensity and differential phase. The non‐interferometric platform supports quantitative refractive‐index and thickness mapping, wavelength‐resolved sensing, and dynamic multi‐channel monitoring ...
Houxin Fan   +5 more
wiley   +1 more source

The SARTOM Project; Tomography for enhanced target detection for foliage penetrating airborne SAR [PDF]

open access: yes, 2008
The SARTOM project addresses a key area of defence interest, namely the detection and identification of targets hidden in foliage. The project has provided a rich source of data obtained from a series of flight trials that were conducted in September ...
Nannini, Matteo   +4 more
core  

Krogager decomposition and Pseudo-Zernike moments for polarimetric distributed ATR [PDF]

open access: yes, 2014
Automatic Target Recognition (ATR) is one of the most challenging areas of the modern radar signal processing field. In this paper a recognition algorithm for full-polarimetric SAR images, that is robust with respect to rotations and target roll, is ...
Clemente, Carmine   +17 more
core   +1 more source

Bistatic Radar Polarization Roll-Invariants and Verification on Canonical Scatterers

open access: yesRemote Sensing
Target recognition methods based on feature extraction of bistatic radar polarimetric characteristics face the challenge of feature variation caused by independent rotation of transmit and receive polarization bases.
Li Gong   +5 more
doaj   +1 more source

Retrieving Soil Moisture Over Soybean Fields During Growing Season Through Polarimetric Decomposition

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Soil moisture (Mv) estimation and monitoring over agricultural areas using Synthetic Aperture Radar (SAR) are often affected by vegetation cover during the growing season.
Tengfei Xiao   +6 more
doaj   +1 more source

Automatic insect identification, counting, and monitoring techniques: a review

open access: yesPest Management Science, EarlyView.
Automated insect monitoring increasingly integrates optical, acoustic, infrared, radar, electrostatic, and biosensing technologies with artificial intelligence. No single approach is universally optimal; reliable deployment depends on task‐specific validation, representative datasets, robustness under field conditions, energy autonomy, connectivity ...
Mariano González García   +3 more
wiley   +1 more source

Wavelet-Based Compressed Sensing for Polarimetric SAR Tomography [PDF]

open access: yes, 2013
Tomographic synthetic aperture radar (SAR) imaging has been recently formulated in a wavelet-based compressed sensing (CS) framework. This paper reviews the underlying sparsity-driven algorithms for single-channel as well as polarimetric tomography, and ...
Nannini, Matteo   +2 more
core  

Estimation of glacier ice extinction using long-wavelength airborne Pol-InSAR [PDF]

open access: yes, 2013
In recent years there has been increased interest in using synthetic aperture radar (SAR) to study and monitor glaciers and ice sheets for glaciological and climate change research.
Sharma, Jayanti   +3 more
core   +1 more source

Signal models for changes in Polarimetric SAR data [PDF]

open access: yes, 2021
Synthetic 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.
Nannini, Matteo   +3 more
core   +1 more source

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