The seismic reflection inverse problem

WW Symes - Inverse problems, 2009 - iopscience.iop.org
The seismic reflection method seeks to extract maps of the Earth's sedimentary crust from
transient near-surface recording of echoes, stimulated by explosions or other controlled …

Migration velocity analysis and waveform inversion

WW Symes - Geophysical prospecting, 2008 - earthdoc.org
Least‐squares inversion of seismic reflection waveform data can reconstruct remarkably
detailed models of subsurface structure and take into account essentially any physics of …

A recipe for practical full-waveform inversion in anisotropic media: An analytical parameter resolution study

T Alkhalifah, RÉ Plessix - Geophysics, 2014 - library.seg.org
In multiparameter full-waveform inversion (FWI) and specifically one describing the
anisotropic behavior of the medium, it is essential that we have an understanding of the …

Which parameterization is suitable for acoustic vertical transverse isotropic full waveform inversion? Part 1: Sensitivity and trade-off analysis

Y Gholami, R Brossier, S Operto, A Ribodetti, J Virieux - Geophysics, 2013 - library.seg.org
In most geologic environments, accounting for anisotropy is necessary to perform acoustic
full waveform inversion (FWI) of wide-azimuth and wide-aperture seismic data because of …

Born integral, stationary phase and linearized reflection coefficients in weak anisotropic media

RK Shaw, MK Sen - Geophysical Journal International, 2004 - academic.oup.com
We show that the linearized reflection coefficients for arbitrary anisotropic media embedded
in an isotropic background can be derived directly from a Born formalism. Due to rapidly …

[PDF][PDF] A fast swee** method for static convex Hamilton–Jacobi equations

J Qian, YT Zhang, HK Zhao - Journal of Scientific Computing, 2007 - users.math.msu.edu
We develop a fast swee** method for static Hamilton–Jacobi equations with convex
Hamiltonians. Local solvers and fast swee** strategies apply to structured and …

Approximate linearized inversion by optimal scaling of prestack depth migration

WW Symes - Geophysics, 2008 - library.seg.org
Linearized inversion provides one possible sense of image amplitude correctness. An
image or bandlimited model perturbation has correct amplitudes if it is an approximate …

Migration of scattered teleseismic body waves

MG Bostock, S Rondenay - Geophysical journal international, 1999 - academic.oup.com
The retrieval of near-receiver mantle structure from scattered waves associated with
teleseismic P and S and recorded on three-component, linear seismic arrays is considered …

Focusing in dip and AVA compensation on scattering-angle/azimuth common image gathers

S Brandsberg-Dahl, MV de Hoop, B Ursin - Geophysics, 2003 - library.seg.org
Common image gathers (CIGs) in the offset and surface azimuth domain are used
extensively in migration velocity analysis and amplitude variation with offset (AVO) studies. If …

Bayesian full-waveform inversion in anisotropic elastic media using the iterated extended Kalman filter

X Huang, KS Eikrem, M Jakobsen, G Nævdal - Geophysics, 2020 - library.seg.org
Uncertainty quantification in the context of seismic imaging is important for interpreting
inverted subsurface models and updating reservoir models. The limited illumination, noisy …