Sparsity-driven synthetic aperture radar imaging: Reconstruction, autofocusing, moving targets, and compressed sensing
This article presents a survey of recent research on sparsity-driven synthetic aperture radar
(SAR) imaging. In particular, it reviews 1) the analysis and synthesis-based sparse signal …
(SAR) imaging. In particular, it reviews 1) the analysis and synthesis-based sparse signal …
An augmented Lagrangian method for complex-valued compressed SAR imaging
In this paper, we present a solution to the complex synthetic aperture radar (SAR) imaging
problem within a constrained optimization formulation where the objective function includes …
problem within a constrained optimization formulation where the objective function includes …
Design of a Compact V-Band Transceiver and Antenna for Millimeter-Wave Imaging Systems
MJ Horst, MT Ghasr, R Zoughi - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we introduce a synthetic aperture radar (SAR)-based millimeter-wave imaging
system for highresolution imaging of human skin, in addition to traditional nondestructive …
system for highresolution imaging of human skin, in addition to traditional nondestructive …
Joint image formation and two-dimensional autofocusing for synthetic aperture radar data
T Scarnati, A Gelb - Journal of Computational Physics, 2018 - Elsevier
Imaging via synthetic aperture radar (SAR) is a well-established technique for effective
scene reconstruction, with resolution up to a few centimeters. The measurement process …
scene reconstruction, with resolution up to a few centimeters. The measurement process …
Sparse regularization with a non-convex penalty for SAR imaging and autofocusing
In this paper, SAR image reconstruction with joint phase error estimation (autofocusing) is
formulated as an inverse problem. An optimization model utilising a sparsity-enforcing …
formulated as an inverse problem. An optimization model utilising a sparsity-enforcing …
[图书][B] Recent techniques for regularization in partial differential equations and imaging
T Scarnati - 2018 - search.proquest.com
Inverse problems model real world phenomena from data, where the data are often noisy
and models contain errors. This leads to instabilities, multiple solution vectors and thus ill …
and models contain errors. This leads to instabilities, multiple solution vectors and thus ill …
Combination of correlated phase error correction and sparsity models for SAR
T Sanders, T Scarnati - Computational Imaging II, 2017 - spiedigitallibrary.org
Direct image formation in synthetic aperture radar (SAR) involves processing of data
modeled as Fourier coefficients along a polar grid. Often in such data acquisition processes …
modeled as Fourier coefficients along a polar grid. Often in such data acquisition processes …
Sparsity-driven autofocus for multipass sar tomography
F Muirhead, B Mulgrew… - SAR Image Analysis …, 2015 - spiedigitallibrary.org
Synthetic aperture radar (SAR) systems produce high resolution, two dimensional imaging
of areas of environmental interest. SAR interferometry and tomography enables these …
of areas of environmental interest. SAR interferometry and tomography enables these …
[PDF][PDF] Dictionary learning for multiplicative distortions with applications to SAR autofocus
Linearly constrained dictionary learning (LCDL). The dictionary learning problem and the K-
SVD algorithm can be modified to a model including an unknown multiplicative distortion to …
SVD algorithm can be modified to a model including an unknown multiplicative distortion to …
[PDF][PDF] Compressed Sensing Solutions for Airborne Low Frequency SAR
Interaction of Reflectors in a Range Cell▶ Random interference: Speckle dominates images
due to many random reflectors in a range cell inducing multiplicative noise in the …
due to many random reflectors in a range cell inducing multiplicative noise in the …