Target-oriented full-waveform inversion using Marchenko redatumed wavefields
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Journal International"
DOI: 10.1093/gji/ggaa333
Abstract: Full-waveform inversion (FWI) has demonstrated increasing success in estimating medium properties, but its computational cost still poses challenges in moving towards high-resolution imaging of targets at depth. Here, we propose a target-oriented FWI method that… read more here.
Keywords: full waveform; medium; fwi; method ... See more keywords
Individual and joint 2-D elastic full-waveform inversion of Rayleigh and Love waves
Sign Up to like & getrecommendations! Published in 2018 at "Geophysical Journal International"
DOI: 10.1093/gji/ggy432
Abstract: We investigate the performance of the individual 2-D elastic full-waveform inversion (FWI) of Rayleigh and Love waves as well as the feasibility of a simultaneous joint FWI of both wave types. The FWI of surface… read more here.
Keywords: full waveform; inversion; fwi; wave ... See more keywords
Reconstruction of Subsurface Objects by LSM and FWI From Limited-Aperture Electromagnetic Data
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3109086
Abstract: This article presents a hybrid 3-D electromagnetic (EM) full-wave inversion (FWI) method for the reconstruction of subsurface objects illuminated by an antenna array with the limited aperture. The 3-D linear sampling method (LSM) is first… read more here.
Keywords: reconstruction; subsurface objects; fwi; method ... See more keywords
Deep Velocity Generator: A Plug-In Network for FWI Enhancement
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2023.3247880
Abstract: Known for its great potential for determining subsurface properties quantitatively, full-waveform inversion (FWI) is a hot topic in the field of exploration seismology. The success of FWI depends significantly on the accuracy of the starting… read more here.
Keywords: network; fwi; velocity; model ... See more keywords
Integrated kinematic time-lapse inversion workflow leveraging full-waveform inversion and machine learning
Sign Up to like & getrecommendations! Published in 2019 at "Geophysics"
DOI: 10.1190/tle38120943.1
Abstract: We demonstrate that a workflow combining emergent timelapse full-waveform inversion (FWI) and machine learning technologies can address the demand for faster time-lapse processing and analysis. During the first stage of our proposed workflow, we invert… read more here.
Keywords: difference; inversion; fwi; time ... See more keywords
Deep learning-based artificial bandwidth extension: Training on ultrasparse OBN to enhance towed-streamer FWI
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/tle39100718.1
Abstract: The lack of seismic low frequencies in towed-streamer data is known to have an outsized detrimental effect on advanced velocity model building techniques such as full-waveform inversion (FWI). Since seabed acquisition records ultralow frequencies (1–4… read more here.
Keywords: bandwidth extension; low frequencies; fwi; towed streamer ... See more keywords
Application of full waveform inversion algorithm in Laplace-Fourier domain for high-contrast ultrasonic bone quantitative imaging
Sign Up to like & getrecommendations! Published in 2023 at "Computer methods and programs in biomedicine"
DOI: 10.2139/ssrn.4157013
Abstract: BACKGROUND AND OBJECTIVES Full waveform inversion (FWI) has been widely applied for the reconstruction of underground medium parameters in seismic communities and has made a great success. It is also a promising way to image… read more here.
Keywords: fwi; inversion; contrast; bone ... See more keywords