Deep learning-driven velocity model building workflow
Exploration seismic data are heavily manipulated before human interpreters are able to
extract meaningful information regarding subsurface structures. This manipulation adds …
extract meaningful information regarding subsurface structures. This manipulation adds …
The application of an optimal transport to a preconditioned data matching function for robust waveform inversion
B Sun, T Alkhalifah - Geophysics, 2019 - library.seg.org
Full-waveform inversion (FWI) promises a high-resolution model of the earth. It is, however,
a highly nonlinear inverse problem; thus, we iteratively update the subsurface model by …
a highly nonlinear inverse problem; thus, we iteratively update the subsurface model by …
-statistics approach to optimal transport waveform inversion
SLEF da Silva, G Kaniadakis - Physical Review E, 2022 - APS
Extracting physical parameters that cannot be directly measured from an observed data set
remains a great challenge in several fields of science and physics. In many of these …
remains a great challenge in several fields of science and physics. In many of these …
Extended full waveform inversion with matching filter
Y Li, T Alkhalifah - Geophysical Prospecting, 2021 - earthdoc.org
Full waveform inversion has shown its huge potentials in recovering a high‐resolution
subsurface model. However, conventional full waveform inversion usually suffers from cycle …
subsurface model. However, conventional full waveform inversion usually suffers from cycle …
Efficient wavefield inversion with outer iterations and total variation constraint
C Song, TA Alkhalifah - IEEE Transactions on Geoscience and …, 2020 - ieeexplore.ieee.org
Full-waveform inversion (FWI) is popularly used to retrieve a high-resolution velocity model
that maximizes the data fitting directly. It is a highly nonlinear optimization problem, and thus …
that maximizes the data fitting directly. It is a highly nonlinear optimization problem, and thus …
Robust full-waveform inversion with radon-domain matching filter
B Sun, T Alkhalifah - Geophysics, 2019 - library.seg.org
Cycle skipping is a severe issue in full-waveform inversion. One option to overcome it is to
extend the search space to allow for data comparisons beyond the “point-to-point” …
extend the search space to allow for data comparisons beyond the “point-to-point” …
Adaptive traveltime inversion
B Sun, T Alkhalifah - Geophysics, 2019 - pubs.geoscienceworld.org
We have developed a method to obtain a misfit function for robust waveform inversion. In
this method, called adaptive traveltime inversion (ATI), a matching filter that matches …
this method, called adaptive traveltime inversion (ATI), a matching filter that matches …
Joint minimization of the mean and information entropy of the matching filter distribution for a robust misfit function in full-waveform inversion
B Sun, TA Alkhalifah - IEEE Transactions on Geoscience and …, 2020 - ieeexplore.ieee.org
A full-waveform inversion (FWI) is a highly nonlinear inversion methodology. FWI tends to
converge to a local minimum rather than a global one. We refer to this phenomenon as …
converge to a local minimum rather than a global one. We refer to this phenomenon as …
Waveform energy focusing tomography with passive seismic sources
By taking advantage of the information carried by the entire seismic wavefield, Full
Waveform Inversion (FWI) is able to yield higher resolution subsurface velocity models than …
Waveform Inversion (FWI) is able to yield higher resolution subsurface velocity models than …
An anisotropic waveform inversion using an optimal transport matching filter objective: An application to an offshore field dataset
B Sun, T Alkhalifah - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
Considering the conventional seismic wavelength and the nature of the Earth's layering,
seismic waves experience, in many parts of the subsurface, considerable anisotropy, and …
seismic waves experience, in many parts of the subsurface, considerable anisotropy, and …