Deep learning-driven velocity model building workflow

M Araya-Polo, S Farris, M Florez - The Leading Edge, 2019 - library.seg.org
Exploration seismic data are heavily manipulated before human interpreters are able to
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 …

-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 …

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 …

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 …

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” …

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 …

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 …

Waveform energy focusing tomography with passive seismic sources

Y Hu, J Li, H Zhang - Frontiers in Earth Science, 2022 - frontiersin.org
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 …

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 …