3 papers
physics.geo-ph2024
Enhanced Geological Prediction for Tunnel Excavation Using Full Waveform Inversion Integrating Sobolev Space Regularization with a Quadratic Penalty Method
Jiahang Li, Junichi Takekawa, Keisuke Kurihara +3
In the process of tunnel excavation, advanced geological prediction technology has become indispensable for safe, economical, and efficient tunnel construction. Although traditiona…
physics.geo-ph2023
Improving full-waveform inversion based on sparse regularisation for geophysical data
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
Full Waveform Inversion (FWI) is an advanced geophysical inversion technique. In fields such as oil exploration and geology, FWI is used for providing images of subsurface structur…
physics.geo-ph2023
Inexact Augmented Lagrangian Method-Based Full-waveform Inversion with Randomized Singular Value Decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
Full Waveform Inversion (FWI) is a modeling algorithm used for seismic data processing and subsurface structure inversion. Theoretically, the main advantage of FWI is its ability t…