An open-source framework for the implementation of large-scale integral operators with flexible, modern high-performance computing solutions: Enabling 3D …

M Ravasi, I Vasconcelos - Geophysics, 2021 - library.seg.org
Numerical integral operators of the convolution type form the basis of most wave-equation-
based methods for the processing and imaging of seismic data. Because several of these …

Target-oriented full-waveform inversion using Marchenko redatumed wavefields

T Cui, J Rickett, I Vasconcelos… - Geophysical Journal …, 2020 - academic.oup.com
Full-waveform inversion (FWI) has demonstrated increasing success in estimating medium
properties, but its computational cost still poses challenges in moving towards high …

Crosscorrelation-based Marchenko imaging with an optimal aperture

X Chen, Y Hu, Y Wo, X Huang, Y Yue… - …, 2023 - pubs.geoscienceworld.org
The Marchenko method can retrieve Green's functions among virtual sources in the
subsurface and receivers at the surface from single-sided reflection data. This process …

[HTML][HTML] Three-dimensional internal multiple elimination in complex structures using Marchenko autofocusing theory

PN Bao, Y Shi, XM Shang, HX Liang, WH Wang - Petroleum Science, 2025 - Elsevier
Internal multiples are commonly present in seismic data due to variations in velocity or
density of subsurface media. They can reduce the signal-to-noise ratio of seismic data and …

Marchenko Green's functions from compressive sensing acquisition

M Zhang - SEG International Exposition and Annual Meeting, 2020 - onepetro.org
Marchenko method is a novel approach to obtain multiple-free imaging and has the potential
to image the targeted area below the overburden. However, Marchenko method requires …

Unified elimination of 1D acoustic multiple reflection

E Slob, L Zhang - Geophysical Prospecting, 2021 - earthdoc.org
Migration, velocity and amplitude analysis are the employed processing steps to find the
desired subsurface information from seismic reflection data. The presence of free‐surface …

An analysis of acquisition-related subsampling effects on Marchenko focusing, redatuming, and primary estimation

H Peng, I Vasconcelos, Y Sripanich… - Geophysics, 2021 - pubs.geoscienceworld.org
Marchenko methods can retrieve Green's functions and focusing functions from single-sided
reflection data and a smooth velocity model, as essential components of a redatuming …

On the implementation of large-scale integral operators with modern HPC solutions--Application to 3D Marchenko imaging by least-squares inversion

M Ravasi, I Vasconcelos - arxiv preprint arxiv:2011.11120, 2020 - arxiv.org
Numerical integral operators of convolution type form the basis of most wave-equation-
based methods for processing and imaging of seismic data. As several of these methods …