An encoder-decoder deep surrogate for reverse time migration in seismic imaging under uncertainty
Sign Up to like & getrecommendations! Published in 2021 at "Computational Geosciences"
DOI: 10.1007/s10596-021-10052-3
Abstract: Seismic imaging faces challenges due to the presence of several uncertainty sources. Uncertainties exist in data measurements, source positioning, and subsurface geophysical properties. Reverse time migration (RTM) is a high-resolution depth migration approach useful for… read more here.
Keywords: uncertainty; reverse time; time migration; time ... See more keywords
Deep learning for high-resolution seismic imaging
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-61251-8
Abstract: Seismic imaging techniques play a crucial role in interpreting subsurface geological structures by analyzing the propagation and reflection of seismic waves. However, traditional methods face challenges in achieving high resolution due to theoretical constraints and… read more here.
Keywords: deep learning; resolution seismic; imaging; seismic imaging ... See more keywords
ASIS: Autonomous Seismic Imaging System With In Situ Data Analytics and Renewable Energy
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2019.2920073
Abstract: Understanding earthquakes and volcano eruptions phenomena require the analysis of large amounts of subsurface data. Currently, data collected from these events need post-processing in an off-line mode due to hardware limitations and strong bandwidth constraints.… read more here.
Keywords: autonomous seismic; system; imaging system; seismic imaging ... See more keywords
High-resolutionCrosswell seismic imaging using Q-compensated viscoelastic reverse time migration with explicit stabilization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3176749
Abstract: The increasing complexity of seismic exploration projects and the request for higher imaging resolution have driven the geophysics community to look for a sound understanding of the subsurface formation to optimize seismic structure interpretation and… read more here.
Keywords: time; stabilization; viscoelastic reverse; compensated viscoelastic ... See more keywords
On seismic imaging of fractured geological media
Sign Up to like & getrecommendations! Published in 2017 at "Doklady Mathematics"
DOI: 10.1134/s1064562417050088
Abstract: Seismic waves propagating in a fractured geological medium are numerically simulated. Their dynamic behavior is described using a linear elastic model with an explicit description of all crack boundaries (a contact discontinuity problem is solved).… read more here.
Keywords: fractured geological; geological media; seismic imaging; imaging fractured ... See more keywords
Challenges of seismic imaging in complex media around Iran, from Zagros overthrust in the southwest to Gorgan Plain in the northeast
Sign Up to like & getrecommendations! Published in 2017 at "Geophysics"
DOI: 10.1190/tle36060499.1
Abstract: Abstract Seismic imaging is an old but immature technology in Iran. Several reasons for this act as obstacles in developing and applying newly introduced imaging methods for complex media. Ease of exploration of large reservoirs… read more here.
Keywords: media around; complex media; imaging complex; seismic imaging ... See more keywords
Novel Phase-Sensitive Full-Waveform Tomography for Seismic Imaging
Sign Up to like & getrecommendations! Published in 2024 at "Seismological Research Letters"
DOI: 10.1785/0220230442
Abstract: Full-waveform tomography (FWT) is increasingly recognized as a pivotal technique for delineating high-resolution subsurface properties. Despite its significant potential, practical applications of FWT encounter persistent challenges, particularly in dealing with local minima and cycle-skipping problems.… read more here.
Keywords: waveform; phase sensitive; waveform tomography; seismic imaging ... See more keywords