Application of optimal transport and the quadratic Wasserstein metric to full-waveform inversion
Conventional full-waveform inversion (FWI) using the least-squares norm as a misfit function
is known to suffer from cycle-skipping issues that increase the risk of computing a local …
is known to suffer from cycle-skipping issues that increase the risk of computing a local …
A joint inversion-segmentation approach to assisted seismic interpretation
Structural seismic interpretation and quantitative characterization are historically intertwined
processes. The latter provides estimates of the properties of the subsurface, which can be …
processes. The latter provides estimates of the properties of the subsurface, which can be …
High-resolution full waveform seismic imaging: Progresses, challenges, and prospects
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 …
framework based on wave equation constraints. The FWI method can be used to generate a …
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 …
Full-waveform inversion with an exponentially encoded optimal-transport norm
L Qiu, J Ramos-Martínez, A Valenciano… - SEG technical …, 2017 - library.seg.org
Full waveform inversion (FWI) with L 2norm objective function often suffers from cycle
skipping that causes the solution to be trapped in a local minimum, usually far from the true …
skipping that causes the solution to be trapped in a local minimum, usually far from the true …
Projection methods and applications for seismic nonlinear inverse problems with multiple constraints
B Peters, BR Smithyman, FJ Herrmann - Geophysics, 2019 - library.seg.org
Nonlinear inverse problems are often hampered by local minima because of missing low
frequencies and far offsets in the data, lack of access to good starting models, noise, and …
frequencies and far offsets in the data, lack of access to good starting models, noise, and …
Misfit function for full waveform inversion based on the Wasserstein metric with dynamic formulation
Conventional full waveform inversion (FWI) using least square distance (L 2 norm) between
the observed and predicted seismograms suffers from local minima. Recently, the …
the observed and predicted seismograms suffers from local minima. Recently, the …
Reflection-waveform inversion regularized with structure-oriented smoothing shaping
Restricted by the limited length of the receiver arrays, estimating the seismic properties of
deep targets requires inverting reflection data. Reflection-waveform inversion (RWI) utilizes …
deep targets requires inverting reflection data. Reflection-waveform inversion (RWI) utilizes …
Source-independent seismic envelope inversion based on the direct envelope Fréchet derivative
Seismic envelope inversion (EI) uses low-frequency envelope data to recover long-
wavelength components of the subsurface media. Conventional EI uses the same waveform …
wavelength components of the subsurface media. Conventional EI uses the same waveform …
[HTML][HTML] 基于各向异性全变分约束的多震源弹性波全波形反演
张盼， 韩立国， 巩向博， 孙宏宇， 毛博 - 地球物理学报, 2018 - html.rhhz.net
多震源编码技术可以提高全波形反演的计算效率, 但同时会引入串扰噪声使反演结果质量降低.
全变分约束可以有效地压制层内噪声并突出模型界面, 其与多震源技术的结合 …
全变分约束可以有效地压制层内噪声并突出模型界面, 其与多震源技术的结合 …