Multi-task learning for low-frequency extrapolation and elastic model building from seismic data

O Ovcharenko, V Kazei, TA Alkhalifah… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Low-frequency (LF) signal content in seismic data as well as a realistic initial model are key
ingredients for robust and efficient full-waveform inversions (FWIs). However, acquiring LF …

Deep learning for low-frequency extrapolation of multicomponent data in elastic FWI

H Sun, L Demanet - IEEE Transactions on Geoscience and …, 2021 - ieeexplore.ieee.org
Full-waveform inversion (FWI) strongly depends on an accurate starting model to succeed.
This is particularly true in the elastic regime: The cycle-skip** phenomenon is more …

Improving the generalization of deep neural networks in seismic resolution enhancement

H Zhang, T Alkhalifah, Y Liu… - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Seismic resolution enhancement is a key step for subsurface structure characterization.
Although many have proposed the use of deep learning (DL) for resolution enhancement …

Efficient progressive transfer learning for full-waveform inversion with extrapolated low-frequency reflection seismic data

Y **, W Hu, S Wang, Y Zi, X Wu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The low-frequency seismic data provide crucial information for guiding the full-waveform
inversion (FWI), especially when strong reflectors exist in the velocity model. However …

Deep learning-based low-frequency extrapolation and impedance inversion of seismic data

H Zhang, P Yang, Y Liu, Y Luo… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Seismic inversion is an indispensable part of the earth exploration to precisely obtain the
properties of subsurface media based on seismic data. However, the lack or inaccuracy of …

Dual-band generative learning for low-frequency extrapolation in seismic land data

O Ovcharenko, V Kazei, D Peter, I Silvestrov… - … Meeting for Applied …, 2021 - library.seg.org
The presence of low-frequency energy in seismic data can help mitigate cycle-skip**
problems in full-waveform inversion. Unfortunately, the generation and recording of low …