Velocity tomography of cross-sectional damage evolution along rock longitudinal direction under uniaxial loading
Rock pillars in rock engineering are affected by the stress concentration, which is uneven
and can lead to potential instability after loading disturbance. In this paper, considering the …
and can lead to potential instability after loading disturbance. In this paper, considering the …
3-D Bayesian variational full waveform inversion
Seismic full-waveform inversion (FWI) provides high resolution images of the subsurface by
exploiting information in the recorded seismic waveforms. This is achieved by solving a …
exploiting information in the recorded seismic waveforms. This is achieved by solving a …
Bayesian seismic tomography using normalizing flows
We test a fully non-linear method to solve Bayesian seismic tomographic problems using
data consisting of observed traveltimes of first-arriving waves. Rather than using Monte …
data consisting of observed traveltimes of first-arriving waves. Rather than using Monte …
Bayesian geophysical inversion using invertible neural networks
Constraining geophysical models with observed data usually involves solving nonlinear and
nonunique inverse problems. Neural mixture density networks (MDNs) provide an efficient …
nonunique inverse problems. Neural mixture density networks (MDNs) provide an efficient …
Seismic tomography using variational inference methods
Seismic tomography is a methodology to image the interior of solid or fluid media and is
often used to map properties in the subsurface of the Earth. In order to better interpret the …
often used to map properties in the subsurface of the Earth. In order to better interpret the …
Variational full-waveform inversion
Seismic full-waveform inversion (FWI) can produce high-resolution images of the Earth's
subsurface. Since full-waveform modelling is significantly nonlinear with respect to …
subsurface. Since full-waveform modelling is significantly nonlinear with respect to …
Ambient noise multimode Rayleigh and Love wave tomography to determine the shear velocity structure above the Groningen gas field
The Groningen gas field is one of the largest gas fields in Europe. The continuous gas
extraction led to an induced seismic activity in the area. In order to monitor the seismic …
extraction led to an induced seismic activity in the area. In order to monitor the seismic …
Bayesian geophysical inversion with trans-dimensional Gaussian process machine learning
SUMMARY A key aspect of geophysical inversion is the ability to model the earth with a low
dimensional representation. There exist various approaches to solve the inverse problem …
dimensional representation. There exist various approaches to solve the inverse problem …
3D probabilistic geology differentiation based on airborne geophysics, mixed norm joint inversion, and physical property measurements
The physical property models obtained from geophysical inversions can be converted to a
3D quasi-geology model via a process called geology differentiation. Recent works indicate …
3D quasi-geology model via a process called geology differentiation. Recent works indicate …
Quantifying uncertainty of salt body shapes recovered from gravity data using trans-dimensional Markov chain Monte Carlo sampling
Accurate delineation of salt body shapes is critical for hydrocarbon exploration. Various
imaging methods based on seismic data have been developed. Due to the density contrast …
imaging methods based on seismic data have been developed. Due to the density contrast …