Compositionally-warped Gaussian processes

G Rios, F Tobar - Neural Networks, 2019 - Elsevier
The Gaussian process (GP) is a nonparametric prior distribution over functions indexed by
time, space, or other high-dimensional index set. The GP is a flexible model yet its limitation …

Warped Gaussian processes for predicting the degradation of aerospace structures

S Pfingstl, C Braun, A Nasrollahi… - Structural Health …, 2023 - journals.sagepub.com
Gaussian processes (GPs) can be used to predict future states of a system with credible
intervals when considering multiple previous trajectories for training. For example, predicting …

Uncertainty in East Antarctic firn thickness constrained using a model ensemble approach

V Verjans, AA Leeson, M McMillan… - Geophysical …, 2021 - Wiley Online Library
Mass balance assessments of the East Antarctic ice sheet (EAIS) are highly sensitive to
changes in firn thickness, causing substantial disagreement in estimates of its contribution to …

Sunspot cycle prediction using warped Gaussian process regression

IG Goncalves, E Echer, E Frigo - Advances in Space Research, 2020 - Elsevier
Solar cycle prediction is a key activity in space weather research. Several techniques have
been employed in recent decades in order to try to forecast the next sunspot-cycle maxima …

Tile low-rank approximations of non-Gaussian space and space-time Tukey g-and-h random field likelihoods and predictions on large-scale systems

S Mondal, S Abdulah, H Ltaief, Y Sun… - Journal of Parallel and …, 2023 - Elsevier
Large-scale statistical modeling has become necessary with the vast flood of geospace data
coming from various sources. In space statistics, the Maximum Likelihood Estimation (MLE) …

Parallel approximations of the Tukey g-and-h likelihoods and predictions for non-Gaussian geostatistics

S Mondal, S Abdulah, H Ltaief, Y Sun… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
Maximum likelihood estimation is an essential tool in the procedure to impute missing data
in climate/weather applications. By defining a particular statistical model, the maximum …

A Gaussian process based fleet lifetime predictor model for unmonitored power network assets

X Jiang, B Stephen… - … on Power Delivery, 2022 - ieeexplore.ieee.org
This paper proposes the use of Gaussian Process Regression to automatically identify
relevant predictor variables in a formulation of a remaining useful life model for unmonitored …

Crack detection zones: Computation and validation

S Pfingstl, M Steiner, O Tusch, M Zimmermann - Sensors, 2020 - mdpi.com
During the development of aerospace structures, typically many fatigue tests are conducted.
During these tests, much effort is put into inspections in order to detect the onset of failure …

Bayesian reconstruction of Fourier pairs

F Tobar, L Araya-Hernández, P Huijse… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In a number of data-driven applications such as detection of arrhythmia, interferometry or
audio compression, observations are acquired indistinctly in the time or frequency domains …

Monte Carlo inference for semiparametric Bayesian regression

DR Kowal, B Wu - Journal of the American Statistical Association, 2024 - Taylor & Francis
Data transformations are essential for broad applicability of parametric regression models.
However, for Bayesian analysis, joint inference of the transformation and model parameters …