Sampling from Gaussian process posteriors using stochastic gradient descent
Gaussian processes are a powerful framework for quantifying uncertainty and for sequential
decision-making but are limited by the requirement of solving linear systems. In general, this …
decision-making but are limited by the requirement of solving linear systems. In general, this …
Adapting the linearised laplace model evidence for modern deep learning
The linearised Laplace method for estimating model uncertainty has received renewed
attention in the Bayesian deep learning community. The method provides reliable error bars …
attention in the Bayesian deep learning community. The method provides reliable error bars …
Sampling-based inference for large linear models, with application to linearised Laplace
Large-scale linear models are ubiquitous throughout machine learning, with contemporary
application as surrogate models for neural network uncertainty quantification; that is, the …
application as surrogate models for neural network uncertainty quantification; that is, the …
An educated warm start for deep image prior-based micro CT reconstruction
R Barbano, J Leuschner, M Schmidt… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Deep image prior (DIP) was recently introduced as an effective unsupervised approach for
image restoration tasks. DIP represents the image to be recovered as the output of a deep …
image restoration tasks. DIP represents the image to be recovered as the output of a deep …
Promises and pitfalls of the linearized Laplace in Bayesian optimization
The linearized-Laplace approximation (LLA) has been shown to be effective and efficient in
constructing Bayesian neural networks. It is theoretically compelling since it can be seen as …
constructing Bayesian neural networks. It is theoretically compelling since it can be seen as …
Sequential experimental design for X-ray CT using deep reinforcement learning
In X-ray Computed Tomography (CT), projections from many angles are acquired and used
for 3D reconstruction. To make CT suitable for in-line quality control, reducing the number of …
for 3D reconstruction. To make CT suitable for in-line quality control, reducing the number of …
PEARL: Cascaded Self-supervised Cross-fusion Learning For Parallel MRI Acceleration
Supervised deep learning (SDL) methodology holds promise for accelerated magnetic
resonance imaging (AMRI) but is hampered by the reliance on extensive training data …
resonance imaging (AMRI) but is hampered by the reliance on extensive training data …
Invertible neural networks and normalizing flows for image reconstruction
A Denker - 2024 - media.suub.uni-bremen.de
Data-based methods, in particular deep learning methods, have been successfully applied
to solve various inverse problems. In medical imaging, for example in computed tomography …
to solve various inverse problems. In medical imaging, for example in computed tomography …