Results 1 to 10 of about 211 (127)

Extended Phase Unwrapping Max-Flow/Min-Cut Algorithm for Multibaseline SAR Interferograms Using a Two-Stage Programming Approach [PDF]

open access: yesSensors, 2020
Multi-baseline (MB) phase unwrapping (PU) is a key step of MB synthetic aperture radar (SAR) interferometry (InSAR). Compared with the traditional single-baseline (SB) PU, MB PU is applicable to the area where topography varies violently without obeying ...
Lifan Zhou   +3 more
doaj   +2 more sources

An ALoGI PU Algorithm for Simulating Kelvin Wake on Sea Surface Based on Airborne Ku SAR [PDF]

open access: yesSensors
The airborne Synthetic Aperture Radar (SAR) has the advantages of high-precision real-time observation of wave height variations and portability in the high frequency band, such as the Ku band. In view of the Four Fast Fourier Transform (4-FFT) algorithm,
Limin Zhai, Yifan Gong, Xiangkun Zhang
doaj   +2 more sources

Adaptive Unscented Kalman Filter Phase Unwrapping Method and Its Application on Gaofen-3 Interferometric SAR Data [PDF]

open access: yesSensors, 2018
Phase unwrapping (PU) is a key step in the reconstruction of digital elevation models (DEMs) and the monitoring of surface deformation from interferometric synthetic aperture radar (SAR, InSAR) data.
Yandong Gao   +5 more
doaj   +2 more sources

Phase Cost Indicator-Guided Central Difference Information Filter 2-D Phase Unwrapping Approach

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Phase unwrapping (PU) as an ill-posed inverse scientific problem has invariably been the significant difficulty in interferometric synthetic aperture radar technique for topographic mapping.
Yansuo Zhang   +3 more
doaj   +1 more source

An Improved Phase Unwrapping Method Based on Hierarchical Networking and Constrained Adjustment

open access: yesRemote Sensing, 2021
Accurate phase unwrapping (PU) is a precondition and key for using synthetic aperture radar interferometry (InSAR) technology to successfully invert topography and monitor surface deformations. However, most interferograms are seriously polluted by noise
Wenxiang Mao   +4 more
doaj   +1 more source

An Improved Multi-Baseline Phase Unwrapping Method for GB-InSAR

open access: yesRemote Sensing, 2022
Ground-based interferometric synthetic aperture radar (GB-InSAR) technology can be applied to generate a digital elevation model (DEM) with high spatial resolution and high accuracy.
Zihao Lin   +4 more
doaj   +1 more source

A Novel Branch and Bound Pure Integer Programming Phase Unwrapping Algorithm for Dual-Baseline InSAR

open access: yesFrontiers in Environmental Science, 2022
Phase unwrapping (PU) is an important bottleneck restricting the practical application of the interferometric synthetic aperture radar (InSAR) technique.
Hui Liu   +6 more
doaj   +1 more source

A Fast 2-D Phase Unwrapping Algorithm Based on Convolutional Neural Network

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Two-dimensional phase unwrapping (2-D PU) is the process of converting the measured phase into the real phase in interferometric signal processing. Reliable unwrapping results are critical for digital elevation model generation using interferometric ...
Han Li   +4 more
doaj   +1 more source

A Multicomponent Temporal Coherence Model for 3-D Phase Unwrapping in Time-Series InSAR of Seasonal Deformation Areas

open access: yesRemote Sensing, 2022
3-D phase unwrapping (PU) methods based on the 2-D linear temporal coherencemodel have been widely used in time-series interferometric synthetic aperture radar (TS-InSAR) for measuring topography and monitoring subtle deformation.
Bo Yang   +6 more
doaj   +1 more source

Adaptive Square-Root Unscented Kalman Filter Phase Unwrapping with Modified Phase Gradient Estimation

open access: yesRemote Sensing, 2022
Phase unwrapping (PU) is a key program in data processing in the interferometric synthetic aperture radar (InSAR) technique, and its accuracy directly affects the quality of final SAR data products.
Yansuo Zhang   +5 more
doaj   +1 more source

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