Attenuating crosstalk noise of simultaneous-source least-squares reverse time migration with GPU-based excitation amplitude imaging condition
Least-squares reverse time migration (LSRTM) can provide higher quality images than
conventional reverse time migration, which is helpful to image simultaneous-source data …
conventional reverse time migration, which is helpful to image simultaneous-source data …
Efficient extended least-squares reverse time migration based on an excitation amplitude imaging condition
In least-squares reverse time migration (LSRTM), which is typically an overdetermined linear
inverse problem, the kinematic traveltime error from an inaccurate migration velocity leads to …
inverse problem, the kinematic traveltime error from an inaccurate migration velocity leads to …
Angle-domain inverse scattering migration/inversion in isotropic media
W Li, W Mao, X Li, W Ouyang, Q Liang - Journal of Applied Geophysics, 2018 - Elsevier
The classical seismic asymptotic inversion can be transformed into a problem of inversion of
generalized Radon transform (GRT). In such methods, the combined parameters are linearly …
generalized Radon transform (GRT). In such methods, the combined parameters are linearly …
[HTML][HTML] 基于解耦传播的波场分解方法在VTI 介质弹性波逆时偏移中的应用
周进举, 王德利, 李博文, 李强, 王睿 - 2018 - html.rhhz.net
由于弹性波逆时偏移更符合实际情况, 而且转换波的成像结果有更高的分辨率,
因此弹性波逆时偏移越来越受到重视. 然而, 弹性波逆时偏移需要多波多分量数据 …
因此弹性波逆时偏移越来越受到重视. 然而, 弹性波逆时偏移需要多波多分量数据 …
Least‐squares reverse time migration using the most energetic source wavefields based on excitation amplitude imaging condition
S Kim, YS Kim, W Chung - Geophysical Prospecting, 2023 - Wiley Online Library
Least‐squares reverse time migration, a linearized inversion problem, can provide high‐
quality migration image by minimizing the misfit function, which is defined by predicted and …
quality migration image by minimizing the misfit function, which is defined by predicted and …
An efficient low-frequency artifact suppression method at excitation time for excitation amplitude imaging condition
R Wang, D Wang, B Hu, W Zhang, J Zhou, B Li - Acta Geophysica, 2023 - Springer
The excitation amplitude imaging condition (EAIC) is a high-resolution, computationally
efficient, and low-storage imaging condition in reverse time migration (RTM). However …
efficient, and low-storage imaging condition in reverse time migration (RTM). However …
Prestack elastic RTM for VTI media using vector wavefield decomposition and vector imaging conditions
J Zhou, D Wang, R Wang, H Yang - Exploration Geophysics, 2019 - Taylor & Francis
To date, studies of elastic reverse time migration (RTM) have undergone much
improvement, but mainly focus on isotropic media. Because anisotropic media is …
improvement, but mainly focus on isotropic media. Because anisotropic media is …
3D P‐wave traveltime computation in transversely isotropic media using layer‐by‐layer wavefront marching
Subsurface rocks (eg shale) may induce seismic anisotropy, such as transverse isotropy.
Traveltime computation is an essential component of depth imaging and tomography in …
Traveltime computation is an essential component of depth imaging and tomography in …
A stable Q compensated reverse time migration method based on excitation amplitude imaging condition
Q Li, Z Li, H Zhou, X Zhao, S Zu - SEG International Exposition and …, 2017 - onepetro.org
The stability and efficiency, especially the stability, are generally concerned issues in
compensated reverse time migration (-RTM). The instability occurs due to the exponential …
compensated reverse time migration (-RTM). The instability occurs due to the exponential …
Reconstructing the primaries of PP and PS waves by elastic Marchenko method
Multiples always introduce artifacts in reverse time migration (RTM). Especially for elastic
RTM, the PP and PS images may contaminated by transmitted PS (or SP) wave. In this …
RTM, the PP and PS images may contaminated by transmitted PS (or SP) wave. In this …