Reverse time migration: A prospect of seismic imaging methodology

HW Zhou, H Hu, Z Zou, Y Wo, O Youn - Earth-science reviews, 2018 - Elsevier
Reverse time migration (RTM) is a seismic imaging method to map the subsurface reflectivity
using recorded seismic waveforms. The practice in exploration seismology has long …

[HTML][HTML] Research progress on seismic imaging technology

ZC Li, YM Qu - Petroleum Science, 2022 - Elsevier
High-precision seismic imaging is the core task of seismic exploration, guaranteeing the
accuracy of geophysical and geological interpretation. With the development of seismic …

[HTML][HTML] 地震叠前逆时偏移高阶有限差分算法及GPU 实现

刘红伟, 李博, 刘洪, 佟小龙, 刘钦 - 地球物理学报, 2010 - html.rhhz.net
叠前逆时偏移技术是解决地震成像问题的有力工具, 但由于计算量大, 成像噪音以及存储量大等
原因没有得到广泛的应用. 本文给出了逆时偏移的实现过程, 分析了高阶有限差分格式的稳定性 …

Solving 3D anisotropic elastic wave equations on parallel GPU devices

RM Weiss, J Shragge - Geophysics, 2013 - library.seg.org
Efficiently modeling seismic data sets in complex 3D anisotropic media by solving the 3D
elastic wave equation is an important challenge in computational geophysics. Using a stress …

The algorithm of high order finite difference pre‐stack reverse time migration and GPU implementation

HW LIU, B Li, H Liu, XL TONG… - Chinese Journal of …, 2010 - Wiley Online Library
Pre‐stack reverse time migration (RTM) is a very useful tool for seismic imaging. But it has
not been widely used because of the highly intensive computation cost, imaging noise and …

[HTML][HTML] 起伏地表叠前逆时偏移理论及GPU 加速技术

刘红伟, 刘洪, 李博, 王鑫, 佟小龙, 刘钦 - 地球物理学报, 2011 - data.geophy.cn
从起伏地表直接进行叠前逆时偏移是解决地表起伏大并且地下构造复杂这种双复杂结构地区
成像问题的有力工具. 本文给出了起伏地表直接进行叠前逆时偏移的实现过程 …

RTM using effective boundary saving: A staggered grid GPU implementation

P Yang, J Gao, B Wang - Computers & Geosciences, 2014 - Elsevier
GPU has become a booming technology in reverse time migration (RTM) to perform the
intensive computation. Compared with saving forward modeled wavefield on the disk, RTM …

[HTML][HTML] 三维逆时偏移GPU/CPU 机群实现方案研究

刘守伟, 王华忠, 陈生昌, 孔祥宁 - 地球物理学报, 2013 - html.rhhz.net
叠前逆时偏移是当前最为准确的地震成像方法, 由于计算量大, 存储量大等原因需要合适的实现
策略和高效的计算平台. 本文以高阶有限差分逆时偏移为基础, 重点讨论了在GPU …

[PDF][PDF] 扩展成像条件下的最小二乘逆时偏移

刘玉金, 李振春 - 地球物理学报, 2015 - seisinv.com
摘要逆时偏移(RTM) 是复杂介质条件下地震成像的重要手段. 因受观测系统限制,
上覆地层影响以及波场带宽有限等因素的影响, 现行的常规RTM 所采用的互相关成像条件通常 …

MapGAN: An intelligent generation model for network tile maps

J Li, Z Chen, X Zhao, L Shao - Sensors, 2020 - mdpi.com
In recent years, the generative adversarial network (GAN)-based image translation model
has achieved great success in image synthesis, image inpainting, image super-resolution …