Extending the search space of full-waveform inversion beyond the single-scattering Born approximation: A tutorial review

S Operto, A Gholami, H Aghamiry, G Guo, S Beller… - Geophysics, 2023 - library.seg.org
Full-waveform inversion (FWI) can be made immune to cycle skipping by matching the
recorded data with traveltime errors smaller than one-half period from inaccurate subsurface …

Time-domain extended-source full-waveform inversion: Algorithm and practical workflow

G Guo, S Operto, A Gholami, HS Aghamiry - Geophysics, 2024 - library.seg.org
Extended-source full-waveform inversion (ES-FWI) first computes wavefields with data-
driven source extensions such that the simulated data in inaccurate velocity models match …

Full-waveform inversion by model extension: Theory, design, and optimization

G Barnier, E Biondi, RG Clapp, B Biondi - Geophysics, 2023 - library.seg.org
We describe a new method, full-waveform inversion by model extension (FWIME), that
recovers accurate acoustic subsurface velocity models from seismic data when conventional …

High-resolution full waveform seismic imaging: Progresses, challenges, and prospects

D Yang, X Dong, J Huang, Z Fang, X Huang… - Science China Earth …, 2025 - Springer
Full waveform inversion (FWI) is a seismic imaging method with a unified mathematical
framework based on wave equation constraints. The FWI method can be used to generate a …

Seismic differential semblance-oriented migration velocity analysis—Status and the way forward

H Chauris, M Farshad - Geophysics, 2023 - library.seg.org
Differential semblance optimization (DSO) is a seismic waveform inversion approach. It has
been developed to remove the limitation of conventional full-waveform inversion as a …

Target-oriented elastic full-waveform inversion through acoustic extended image-space redatuming

E Biondi, G Barnier, B Biondi, RG Clapp - Geophysics, 2023 - library.seg.org
Elastic full-waveform inversion (FWI) can provide accurate and high-resolution subsurface
parameters. However, its high computational cost prevents the application of this method to …

Imaging urban hidden faults with ambient noise recorded by dense seismic arrays

E Biondi, JC Castellanos… - Seismological …, 2024 - pubs.geoscienceworld.org
The identification of preexisting near‐surface faults represents a piece of crucial information
needed to correctly assess the seismic hazard of any area. The mapping of these structures …

Nonsingular Indirect Boundary Element Method and Multistrategy Particle Swarm Optimization Algorithm Applied to 3D Subsurface Cavity Inversion

Z Liu, S Zhu, AHD Cheng… - International Journal for …, 2024 - Wiley Online Library
The inversion of subsurface geological structures is a crucial approach for gaining insights
into the internal composition of the earth. In this paper, we propose a novel inversion method …

Deep learning velocity model building using an ensemble regression approach

S Farris, G Barnier, R Clapp - SEG International Exposition and Annual …, 2022 - onepetro.org
For full waveform inversion (FWI) to avoid local minima and converge to a useful velocity
model, it must start from an initial model with accurate low wavenumber components …

Stationary‐phase analysis of time‐shift extended imaging in a constant‐velocity model

WA Mulder - Geophysical Prospecting, 2024 - Wiley Online Library
To estimate the depth errors in a subsurface model obtained from the inversion of seismic
data, the stationary‐phase approximation in a two‐dimensional constant‐velocity model with …