Two-step accuracy improvement of motion compensation for airborne SAR with ultrahigh resolution and wide swath
J Chen, B Liang, DG Yang, DJ Zhao… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
The motion compensation (MOCO) for the airborne SAR with ultrahigh resolution and wide
swath is required to consider the range-dependent (RD) phase error. The RD phase error …
swath is required to consider the range-dependent (RD) phase error. The RD phase error …
Knowledge-aided 2-D autofocus for spotlight SAR filtered backprojection imagery
The filtered backprojection (FBP) algorithm is a popular choice for complicated trajectory
synthetic aperture radar (SAR) image formation processing due to its inherent nonlinear …
synthetic aperture radar (SAR) image formation processing due to its inherent nonlinear …
An extended two step approach to high-resolution airborne and spaceborne SAR full-aperture processing
D Zhu, T Xiang, W Wei, Z Ren, M Yang… - … on Geoscience and …, 2020 - ieeexplore.ieee.org
The processing of synthetic aperture radar (SAR) echoes collected during radar antenna
beam steering, such as in the staring spotlight, sliding spotlight, and TOPS operating modes …
beam steering, such as in the staring spotlight, sliding spotlight, and TOPS operating modes …
Time-domain autofocus for ultrahigh resolution SAR based on azimuth scaling transformation
For ultrahigh resolution synthetic aperture radar (SAR), azimuth spectrum aliasing limits the
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …
Accelerated RANSAC for accurate image registration in aerial video surveillance
J Zheng, W Peng, Y Wang, B Zhai - IEEE Access, 2021 - ieeexplore.ieee.org
Compared with ground views and direct overhead views (for orbital satellites), aerial
robotics allow for capturing videos from diverse viewpoints and scenes, thus, the content of …
robotics allow for capturing videos from diverse viewpoints and scenes, thus, the content of …
Efficiency and robustness improvement of airborne SAR motion compensation with high resolution and wide swath
For airborne synthetic aperture radar (SAR) imaging with high resolution and wide swath,
the atmospheric turbulence may produce serious range-dependent (RD) motion error. To …
the atmospheric turbulence may produce serious range-dependent (RD) motion error. To …
Multi-scale fused SAR image registration based on deep forest
SAR image registration is a crucial problem in SAR image processing since the registration
results with high precision are conducive to improving the quality of other problems, such as …
results with high precision are conducive to improving the quality of other problems, such as …
SVD-based ambiguity function analysis for nonlinear trajectory SAR
A nonlinear trajectory of a radar platform in synthetic aperture radar (SAR) may lead to
severe coupling between the range and the azimuth, which may make the ambiguity …
severe coupling between the range and the azimuth, which may make the ambiguity …
Learning an SAR image despeckling model via weighted sparse representation
Synthetic aperture radar (SAR) images are inherently degraded by the speckle noise due to
the coherent imaging, which may affect the performance of subsequent image analysis task …
the coherent imaging, which may affect the performance of subsequent image analysis task …
Airborne SAR autofocus based on blurry imagery classification
Existing airborne SAR autofocus methods can be classified as parametric and non-
parametric. Generally, non-parametric methods, such as the widely used phase gradient …
parametric. Generally, non-parametric methods, such as the widely used phase gradient …