Results 11 to 20 of about 5,381 (217)
Subsalt imaging improvement possibilities through a combination of FWI and reflection FWI
The Leading Edge, 2018 Abstract Despite continuous improvements in seismic acquisition and processing technology, imaging under salt remains challenging, specifically because of the difficulty in updating complex salt geometries and subsalt velocity. Synthetic studies show that when certain conditions are met, full-waveform inversion (FWI) can recover very ...
Chao Peng +3 more
openaire +2 more sources
Proceedings, 2014 Integrating migration velocity analysis (MVA) and full waveform inversion (FWI) can help reduce the high nonlinearity of the classic FWI objective function. The combination of inverting for the long and short wavelength components of the velocity model using a dual objective function that is sensitive to both components is still very expensive and have
T. Alkhalifah, Z. Wu
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Pushing 3D frequency-domain FWI to the limits: the Gorgon-OBN FWI case study
Frequency-domain full-waveform inversion (FWI) enables efficient processing of full-azimuth, long-offset, stationary-recording seabed acquisition collected with a sparse layout of oceanbottom nodes (OBNs) and broadband sources because the inversion can be performed using only a few discrete frequencies.
Amestoy, Patrick +6 more
core +5 more sources
Analysis of the covariance matrix in FWI through density of covariance maps
CT&F Ciencia, Tecnología & Futuro, 2020 Full waveform inversion (FWI) is a tool for the inversion of seismic data. There are several sources of uncertainty in the results provided by FWI. The quantification of such uncertainties has been studied through the resolution matrix (Res), which rests
Anyeres Neider Jimenez +3 more
doaj +2 more sources
Elastic Time-Lapse FWI for Anisotropic Media: A Pyrenees Case Study
Applied SciencesIn the context of reservoir monitoring, time-lapse (4D) full-waveform inversion (FWI) of seismic data can potentially estimate reservoir changes with high resolution.
Yanhua Liu +3 more
doaj +2 more sources
felipeaugustogudes/paper-fwi: v1.0
, 2022 Version 1.0 - FWI Paper ...
felipeaugustogudes
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josefmtd/gee-fwi: Fire Weather Index Calculation on Google Earth Enigne
, 2021 The FFMC, DMC, DC, FWI equation now uses ee.Image.updateMask to calculate for different ...
Josef Matondang
core +1 more source
NEX-GDDP-FWI: Downscaled 21st century global fire weather projections
, 2023 NEX-GDDP-FWI v1.0 The NEX-GDDP-FWI data was created from the python codes shared in this repository. The NASA Earth eXchange-Global Daily Downscaled Projections-Fire Weather Index (NEX-GDDP-FWI) is a dataset that provides global fire weather ...
Madrazo, Maria Klariza +10 more
core +1 more source
INRAE Productions Animales, 2001 La Caraïbe a été peuplée par les espèces de ruminants domestiques à partir du XV ème siècle. Après les premières introductions de bétail ibérique, des apports variés ont occasionné de nombreux métissages.
M. NAVES +4 more
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