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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …