STLS-LADMM-Net: A deep network for SAR autofocus imaging

M Li, J Wu, W Huo, Z Li, J Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) can provide high-resolution electromagnetic backscattering
images of the illuminated area, playing a significant role in various applications. However …

SAR image reconstruction and autofocus using complex-valued feature prior and deep network implementation

W Huo, M Li, J Wu, Z Li, J Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) plays an important role in remote sensing by providing
electromagnetic images of the observation scene. The prior knowledge-based SAR image …

SAE-Net: A deep neural network for SAR autofocus

W Pu - IEEE Transactions on Geoscience and Remote …, 2022 - ieeexplore.ieee.org
The sparsity-driven technique is a widely used tool to solve the synthetic aperture radar
(SAR) imaging problem. However, it always encounters sensitivity to motion errors. To solve …

3-d sar autofocusing with learned sparsity

M Wang, S Wei, Z Zhou, J Shi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Inevitable inaccuracies of 3-D synthetic aperture radar (3-D SAR) imaging geometry may
cause undesired blurs in reconstructed images. Recent advances show impressive results …

AF-AMPNet: A deep learning approach for sparse aperture ISAR imaging and autofocusing

S Wei, J Liang, M Wang, J Shi… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Inverse synthetic aperture radar (ISAR) imaging and autofocusing are challenging under
sparse aperture (SA) conditions. Traditional imaging or autofocusing methods fail to obtain …

Afnet and PAFnet: fast and accurate SAR autofocus based on deep learning

Z Liu, S Yang, Q Gao, Z Feng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Autofocus plays a key role in synthetic aperture radar (SAR) imaging, especially for high-
resolution imaging. In the literature, the minimum-entropy-based algorithms (MEA) have …

SAF-3DNet: Unsupervised AMP-inspired network for 3-D MMW SAR imaging and autofocusing

Z Zhou, S Wei, H Zhang, R Shen… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
The sparse imaging method based on compressed sensing (CS) is widely used in the field
of millimeter-wave (MMW) synthetic aperture radar (SAR) imaging. However, 3-D sparse …

DeepRED Based Sparse SAR Imaging

Y Zhao, Q Liu, H Tian, BWK Ling, Z Zhang - Remote Sensing, 2024 - mdpi.com
The integration of deep neural networks into sparse synthetic aperture radar (SAR) imaging
is explored to enhance SAR imaging performance and reduce the system's sampling rate …

Fast SAR autofocus based on ensemble convolutional extreme learning machine

Z Liu, S Yang, Z Feng, Q Gao, M Wang - Remote Sensing, 2021 - mdpi.com
Inaccurate Synthetic Aperture Radar (SAR) navigation information will lead to unknown
phase errors in SAR data. Uncompensated phase errors can blur the SAR images …

Enhanced One-Bit SAR Imaging Method Using Two-Level Structured Sparsity to Mitigate Adverse Effects of Sign Flips

S Ge, N Jiang, D Feng, S Song, J Wang… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
One-bit synthetic aperture radar (SAR) imaging technology has garnered significant
attention due to its ability to substantially reduce system complexity and data storage …