JN Ogunbo, G Marquis, J Zhang, W Wang - Geophysics, 2018 - library.seg.org
Geophysical joint inversion requires the setting of a few parameters for optimum performance of the process. However, there are yet no known detailed procedures for …
Near-surface seismic imaging often plays a significant role in producing quality data processing results for the deep subsurface in land and shallow marine environments. First …
L Gao, Z Jiang, F Min - Mathematics, 2019 - mdpi.com
First-arrival picking is a critical step in seismic data processing. This paper proposes the first- arrival picking through sliding windows and fuzzy c-means (FPSF) algorithm with two stages …
L Gao, H Jiang, F Min - Expert Systems with Applications, 2021 - Elsevier
First-arrival picking is a critical step of determining the onsets of signals in seismic exploration. Existing approaches are usually sensitive to background noise and user …
Y Wo, HW Zhou, Z Zou, Y Yue - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In complex near-surface geologic settings, first-arrival traveltime tomography suffers from strong data noise and uneven raypath coverage. To reduce the inversion nonuniqueness …
We have developed a first-arrival traveltime inversion scheme that jointly solves for seismic velocities and source and receiver static-time terms. The static-time terms are included to …
M Sun, J Zhang - Geophysics, 2020 - library.seg.org
In land seismic data processing, picking the first arrivals and imaging the near-surface velocity structures are important tasks. However, in many areas, the near-surface weathering …
A Bian, W Yu - Journal of Earth Science, 2011 - Springer
Full waveform inversion (FWI) directly minimizes errors between synthetic and observed data. For the surface acquisition geometry, reflections generated from deep reflectors are …