Total variation regularization for seismic waveform inversion using an adaptive primal dual hybrid gradient method
Full waveform inversion is an effective tool for recovering the properties of the Earth from
seismograms. However, it suffers from local minima caused mainly by the limited accuracy of …
seismograms. However, it suffers from local minima caused mainly by the limited accuracy of …
[PDF][PDF] Towards a theoretical background for strong-scattering inversion-Direct envelope inversion and Gel'fand-Levitan-Marchenko theory
RS Wu - Comput. Phys, 2020 - doc.global-sci.org
Strong-scattering inversion or the inverse problem for strong scattering has different physical-
mathematical foundations from the weak-scattering case. Seismic inversion based on wave …
mathematical foundations from the weak-scattering case. Seismic inversion based on wave …
Accurate and efficient velocity estimation using transmission matrix formalism based on the domain decomposition method
Full waveform inversion (FWI) has been regarded as an effective tool to build the velocity
model for the following pre-stack depth migration. Traditional inversion methods are built on …
model for the following pre-stack depth migration. Traditional inversion methods are built on …
Renormalized nonlinear sensitivity kernel and inverse thin-slab propagator in T-matrix formalism for wave-equation tomography
We derived the renormalized nonlinear sensitivity operator and the related inverse thin-slab
propagator (ITSP) for nonlinear tomographic waveform inversion based on the theory of …
propagator (ITSP) for nonlinear tomographic waveform inversion based on the theory of …
Inverse scattering theory: Inverse scattering series method for one dimensional non-compact support potential
The reversion of the Born-Neumann series of the Lippmann-Schwinger equation is one of
the standard ways to solve the inverse acoustic scattering problem. One limitation of the …
the standard ways to solve the inverse acoustic scattering problem. One limitation of the …
[HTML][HTML] 基于T-matrix 的非线性参数估计方法
王本锋, 吴如山, 陈小宏, 陆文凯 - 地球物理学报, 2016 - html.rhhz.net
全波形反演可提供高精度的地下介质参数空间分布, 但传统的全波形反演方法建立在Born
近似的基础上, 对初始模型具有一定的依赖性. 为了摆脱Born 近似的束缚, 本文基于二维常密度 …
近似的基础上, 对初始模型具有一定的依赖性. 为了摆脱Born 近似的束缚, 本文基于二维常密度 …
Convergence acceleration in scattering series and seismic waveform inversion using nonlinear Shanks transformation
Iterative solution process is fundamental in seismic inversions, such as in full-waveform
inversions and some inverse scattering methods. However, the convergence could be slow …
inversions and some inverse scattering methods. However, the convergence could be slow …
A numerical method for inverse Helmholtz problem based on approximate inverse of a matrix
M Tadi - Computers & Mathematics with Applications, 2023 - Elsevier
This note is concerned with a computational method for an inverse problem for Helmholtz
equation. It seeks to recover a subsurface material property based on data collected at the …
equation. It seeks to recover a subsurface material property based on data collected at the …
Inverse scattering for the one-dimensional Helmholtz equation with piecewise constant wave speed
S Bugarija, PC Gibson, G Hu, P Li, Y Zhao - Inverse Problems, 2020 - iopscience.iop.org
This paper analyzes inverse scattering for the one-dimensional Helmholtz equation in the
case where the wave speed is piecewise constant. Scattering data recorded for an arbitrarily …
case where the wave speed is piecewise constant. Scattering data recorded for an arbitrarily …
Non-linear parameter estimation method based on T-matrix
With the development of seismic exploration and exploitation, it is necessary to study the
accurate parameter distribution finely describing the subsurface. Full Waveform Inversion …
accurate parameter distribution finely describing the subsurface. Full Waveform Inversion …