Results 161 to 170 of about 4,285,560 (201)

Two-Dimensional Phase Unwrapping Based on Residual Prediction Neural Network

IEEE Geoscience and Remote Sensing Letters, 2023
Two-dimensional phase unwrapping (2-D PU) is a crucial step in interferometric signal processing. The accuracy of phase unwrapping (PU) will significantly affect subsequent processing.
Han Li, Heping Zhong, Peng Zhang, Mingqiang Ning, Jinsong Tang   +4 more
semanticscholar   +1 more source

A deep learning-based approach using dual-label samples for InSAR phase unwrapping

International Conference on Remote Sensing, Mapping, and Geographic Systems
Phase unwrapping (PU) is a critical procedure in the field of interferometry synthetic aperture radar (InSAR). Improving the accuracy of phase unwrapping in areas with phase discontinuities is a critical task that has been delegated to deep learning ...
Baolong Yuan, Lihua Han, Jie Yu
semanticscholar   +1 more source

Chinese Remainder Theorem Based Phase Unwrapping Integrated with Ground Distance Matching for Multi-Baseline Radar Altimeter

International Conference on Communication, Computing & Security
The radar altimeter is an important aviation device for aircraft to obtain ground altitude information. Comparing with single radar altimeter, multi-baseline (MB) radar altimeter has adaptable capability for achieving large range observation with high ...
Haobo Zhu, Ming Shi, Jing Chen, Shichang Sun, Zao Wang, Song Zhou   +5 more
semanticscholar   +1 more source

Recursive 3-D Phase Unwrapping for Reliable Deformation Anomaly Detection in Multitemporal SAR Interferometry

IEEE Transactions on Geoscience and Remote Sensing
Current synthetic aperture radar (SAR) missions with short repeat times bring the opportunity to get large-scale deformations in near real-time. Since nonstationary deformation is more likely to be a risk, postclassification is widely used to identify ...
Feng-Ming Hu, Si-Yu Cheng, Yikai Liu, Feng Xu   +3 more
semanticscholar   +1 more source

Least-squares phase unwrapping based on hermite interpolation of the southwell regional wavefront method

Physica Scripta
Phase unwrapping plays a crucial role in accurately retrieving continuous phase information from wrapped measurements in optical metrology. The least-squares (LS) method has been widely adopted in phase unwrapping (PU) tasks due to its computational ...
Yang Gao, Zhuo-Yi Yin, Xin-Jun Wan, Fujun Yang   +3 more
semanticscholar   +1 more source

A LoGI Phase Unwrapping Algorithm for Ku-SFCW Radar Interferometry Measurement of Wave Height

IEEE Geoscience and Remote Sensing Letters
The monitoring of wave height is of great significance in multiple fields such as marine safety, ecological protection, and climate change response. The ground based (GB) has the advantage of high range resolution.
Li-Min Zhai, Yifan Gong, Yan Jia, Yongqing Liu, Xiangkun Zhang   +4 more
semanticscholar   +1 more source

An Elaborate and Fast Large-Scale Phase Unwrapping Method for InSAR

IEEE International Geoscience and Remote Sensing Symposium
For the demand of solving large-scale phase unwrapping (PU) in synthetic aperture radar interferometry (InSAR) technology, one of the relatively mature methods is to first divide the interferogram into sub-interferograms, and then solve each sub ...
Yang Lan, Wenxin Cui
semanticscholar   +1 more source

A Factor Graph-based Phase Unwrapping Algorithm

2025 5th International Conference on Measurement Control and Instrumentation (MCAI)
A robust phase unwrapping (PU) method based on factor-graph (FG) optimization theory is presented to tackle the challenges of unwrapping interferogram in Interferometric Synthetic Aperture Radar (InSAR).
Yifan Zhang, Xianming Xie, Yun-Ru Wang
semanticscholar   +1 more source

A Multi-Observation-Based Maximum Likelihood Framework for Well-Posed Phase Unwrapping

IEEE International Geoscience and Remote Sensing Symposium
The Phase unwrapping (PU) for interferometric measurement system, like interferometric synthetic aperture radar (InSAR) and fiber-optical distributed acoustic sensor (DAS), is intrinsically an ill-posed problem.
Yan Yan, Hanwen Yu, Xin Ye, Sijia Chen, Yuwan Xue, Chenghao Lu   +5 more
semanticscholar   +1 more source

Two-Stage Programming Multibaseline InSAR Phase Unwrapping Based on Unscented Kalman Filter and Particle Filter

IEEE International Geoscience and Remote Sensing Symposium
Phase unwrapping (PU) is a key step in synthetic aperture radar interferometry. Multibaseline phase unwrapping (MBPU) technique can effectively break through the limitation of the phase continuity assumption. However, the existing MBPU methods still have
Zhihui Yuan, Hanwen Yu, Tao-Li Yang, Yan Yan, Lifu Chen   +4 more
semanticscholar   +1 more source