Results 11 to 20 of about 4,611 (209)
Phase Unwrapping via Graph Cuts [PDF]
IEEE Transactions on Image Processing, 2005 Phase unwrapping is the inference of absolute phase from modulo-2pi phase. This paper introduces a new energy minimization framework for phase unwrapping. The considered objective functions are first-order Markov random fields. We provide an exact energy minimization algorithm, whenever the corresponding clique potentials are convex, namely for the ...
Bioucas-Dias, José, Valadão, Gonçalo
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Phase Cost Indicator-Guided Central Difference Information Filter 2-D Phase Unwrapping Approach
IEEE 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
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INSAR UNWRAPPING ERROR CORRECTION BASED ON QUASI-ACCURATE DETECTION OF GROSS ERRORS (QUAD) [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Unwrapping error is a common error in the InSAR processing, which will seriously degrade the accuracy of the monitoring results. Based on a gross error correction method, Quasi-accurate detection (QUAD), the method for unwrapping errors automatic ...
Y. Kang +7 more
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Phase-Shifting Projected Fringe Profilometry Using Binary-Encoded Patterns
Photonics, 2021 A phase unwrapping method for phase-shifting projected fringe profilometry is presented. It did not require additional projections to identify the fringe orders. The pattern used for the phase extraction could be used for phase unwrapping directly.
Nai-Jen Cheng, Wei-Hung Su
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Application of ALOS and Envisat Data in Improving Multi-Temporal InSAR Methods for Monitoring Damavand Volcano and Landslide Deformation in the Center of Alborz Mountains, North Iran [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 InSAR capacity to detect slow deformation over terrain areas is limited by temporal and geometric decorrelations. Multitemporal InSAR techniques involving Persistent Scatterer (Ps-InSAR) and Small Baseline (SBAS) are recently developed to compensate the ...
S. Vajedian, M. Motagh, F. Nilfouroushan
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A hybrid method for MT-InSAR phase unwrapping for deformation monitoring in urban areas
International Journal of Applied Earth Observations and Geoinformation, 2022 The accuracy of phase unwrapping in multi-temporal interferometric synthetic aperture radar (MT-InSAR) technology affect closely on the accuracy of ground deformation monitoring.
Songbo Wu +5 more
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Improved weighted least-squares phase unwrapping method for interferometric SAR processing
The Journal of Engineering, 2019 Based on the study of existed least-squares and weighted least-squares phase unwrapping methods, an improved weighted least-squares algorithm based on unwrapping phase error compensation is proposed.
Yu Hui +5 more
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Deep Learning-Based Phase Unwrapping Method
IEEE Access, 2023 A phase unwrapping method based on spatial and channel attention network is proposed to retrieve true phases from interferograms with various levels of noise. First, we propose a network that is suitable for unwrapping wrapped phase images.
Dongxu Li, Xianming Xie
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Earth, Planets and Space, 2022 Synthetic aperture radar (SAR) interferometry can measure ground surface deformation with high accuracy and spatial resolution, in the form of phase change in an interferogram.
Yu Morishita
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A U-Net Approach for InSAR Phase Unwrapping and Denoising
Remote Sensing, 2023 The interferometric synthetic aperture radar (InSAR) imaging technique computes relative distances or surface maps by measuring the absolute phase differences of returned radar signals.
Sachin Vijay Kumar +4 more
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