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 skip** by matching the
recorded data with traveltime errors smaller than one-half period from inaccurate subsurface …

Compound regularization of full-waveform inversion for imaging piecewise media

HS Aghamiry, A Gholami… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Full-waveform inversion (FWI) is an iterative nonlinear waveform matching procedure, which
seeks to reconstruct unknown model parameters from partial waveform measurements. The …

Graph‐space optimal transport concept for time‐domain full‐waveform inversion of ocean‐bottom seismometer data: Nankai trough velocity structure reconstructed …

A Górszczyk, R Brossier… - Journal of Geophysical …, 2021 - Wiley Online Library
Detailed reconstruction of deep structures with full‐waveform inversion (FWI) of wide‐angle
ocean‐bottom seismometer (OBS) data remains challenging and unconventional. The …

Ensemble-based uncertainty estimation in full waveform inversion

J Thurin, R Brossier, L Métivier - Geophysical Journal …, 2019 - academic.oup.com
Uncertainty estimation and quality control are critically missing in most geophysical
tomographic applications. The few solutions to cope with that issue are often left out in …

Full waveform inversion and Lagrange multipliers

A Gholami, K Aghazade - Geophysical Journal International, 2024 - academic.oup.com
Full-waveform inversion (FWI) is an effective method for imaging subsurface properties
using sparsely recorded data. It involves solving a wave propagation problem to estimate …

Full waveform inversion by proximal Newton method using adaptive regularization

HS Aghamiry, A Gholami… - Geophysical Journal …, 2021 - academic.oup.com
Regularization is necessary for solving non-linear ill-posed inverse problems arising in
different fields of geosciences. The base of a suitable regularization is the prior expressed …

Wavefield reconstruction inversion of GPR data for permittivity and conductivity models in the frequency domain based on modified total variation regularization

D Feng, S Ding, X Wang, X Wang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The full-waveform inversion (FWI) of ground-penetrating radar (GPR) data yields promise for
quantitatively characterizing the parameters of the Earth's shallow subsurface. However …

Accurate 3D frequency-domain seismic wave modeling with the wavelength-adaptive 27-point finite-difference stencil: A tool for full-waveform inversion

HS Aghamiry, A Gholami, L Combe, S Operto - Geophysics, 2022 - library.seg.org
Efficient frequency-domain full-waveform inversion (FWI) of long-offset node data can be
performed with a few frequencies. The seismic response of these frequencies can be …

Multiparameter wavefield reconstruction inversion for wavespeed and attenuation with bound constraints and total variation regularization

HS Aghamiry, A Gholami, S Operto - Geophysics, 2020 - library.seg.org
Wavefield reconstruction inversion (WRI) extends the search space of full-waveform
inversion (FWI) by allowing for wave-equation errors during wavefield reconstruction to …