Systematic literature review on seismic diffraction imaging

G Zakarewicz, STR Maciel, LS da Cunha - Earth-Science Reviews, 2024 - Elsevier
The diffractive component of the wavefield is often treated as noise during traditional
preprocessing workflows. However, it possesses valuable information for imaging faults …

Extraction of diffractions from seismic data using convolutional U-net and transfer learning

S Kim, S Jee Seol, J Byun, S Oh - Geophysics, 2022 - library.seg.org
Diffraction images can be used for modeling reservoir heterogeneities at or below the
seismic wavelength scale. However, the extraction of diffractions is challenging because …

Robust low-rank diffraction separation and imaging by CUR matrix decomposition

P Lin, S Peng, Y Xiang, C Li, X Cui - Geophysics, 2023 - library.seg.org
Diffractions from underground discontinuities, which appear as common wavefields in
seismic records, contain rich geologic information regarding small-scale structures. As a …

Effective diffraction separation using the improved optimal rank-reduction method

P Lin, S Peng, X Cui, W Du, C Li - Geophysics, 2022 - library.seg.org
Seismic diffractions encoding subsurface small-scale geologic structures have great
potential for high-resolution imaging of subwavelength information. Diffraction separation …

Passive sources and diffracted points imaging using combinational cross‐correlation imaging condition

T Yan, Y Liu, Z Zhang, B He… - Journal of Geophysical …, 2025 - Wiley Online Library
Time‐reversal imaging is a critical technique for characterizing natural earthquakes and
artificial sources. Traditional time reversal methods sum the extrapolated wavefields of …

Diffraction Separation and Least-Squares Imaging Based on Multiscale and Multidirectional Wavefield and Image Decomposition

C Li, S Jia, Z Li, Z Gao, F Li, L Zhao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Diffraction separation and imaging are important for subsurface discontinuities
characterization. However, conventional diffraction separation methods may lose validity …

Separation and imaging of seismic diffractions using geometric mode decomposition

P Lin, S Peng, C Li, Y Xiang, X Cui - Geophysics, 2023 - library.seg.org
Seismic diffractions from small-scale discontinuities or inhomogeneities carry key geologic
information and can provide high-resolution images of these objects. Because diffractions …

[PDF][PDF] 绕射波逆时偏移成像方法研究

王晓毅, 陈玺, 杨振, 张江杰 - 地球物理学报, 2022 - geophy.cn
摘要地震剖面中的绕射点反应地下断层, 尖灭, 溶洞等不连续体的位置信息,
因此绕射波对于实现小尺度构造的精细成像具有重要意义. 基于逆时偏移的绕射波成像方案包括 …

Flank-preserving deprimary reverse time migration

Y Sun, TW Fei - Geophysics, 2021 - library.seg.org
Deprimary reverse time migration (RTM) is a newly proposed technology aiming at removing
false structures in images computed by RTM. However, a side effect of this new technology …

[Retracted] Design of Music Teaching System Based on Internet of Things Multimedia Intelligent Platform

B Xie - Journal of Sensors, 2022 - Wiley Online Library
In order to improve the practical and popularization value of the multimedia vocal music
teaching system, the author proposes a teaching system based on the Internet of Things …