Scalable Bayesian uncertainty quantification with data-driven priors for radio interferometric imaging
Next-generation radio interferometers like the Square Kilometer Array have the potential to
unlock scientific discoveries thanks to their unprecedented angular resolution and …
unlock scientific discoveries thanks to their unprecedented angular resolution and …
Scalable precision wide-field imaging in radio interferometry–II. AIRI validated on ASKAP data
Accompanying Part I, this sequel delineates a validation of the recently proposed AI for
Regularization in radio-interferometric Imaging (AIRI) algorithm on observations from the …
Regularization in radio-interferometric Imaging (AIRI) algorithm on observations from the …
CLEANing Cygnus A deep and fast with R2D2
A novel deep-learning paradigm for synthesis imaging by radio interferometry in astronomy
was recently proposed, dubbed" Residual-to-Residual DNN series for high-Dynamic range …
was recently proposed, dubbed" Residual-to-Residual DNN series for high-Dynamic range …
The R2D2 deep neural network series paradigm for fast precision imaging in radio astronomy
Radio-interferometric imaging entails solving high-resolution high-dynamic-range inverse
problems from large data volumes. Recent image reconstruction techniques grounded in …
problems from large data volumes. Recent image reconstruction techniques grounded in …
Scalable precision wide-field imaging in radio interferometry: I. uSARA validated on ASKAP data
As Part I of a paper series showcasing a new imaging framework, we consider the recently
proposed unconstrained Sparsity Averaging Reweighted Analysis (uSARA) optimization …
proposed unconstrained Sparsity Averaging Reweighted Analysis (uSARA) optimization …
Deep network series for large-scale high-dynamic range imaging
We propose a new approach for large-scale high-dynamic range computational imaging.
Deep Neural Networks (DNNs) trained end-to-end can solve linear inverse imaging …
Deep Neural Networks (DNNs) trained end-to-end can solve linear inverse imaging …
PolyCLEAN: Atomic Optimization for Super-Resolution Imaging and Uncertainty Estimation in Radio Interferometry
Context. Imaging in radio interferometry requires solving an ill-posed noisy inverse problem,
for which the most adopted algorithm is the original CLEAN algorithm and its variants …
for which the most adopted algorithm is the original CLEAN algorithm and its variants …
A distributed Gibbs sampler with hypergraph structure for high-dimensional inverse problems
PA Thouvenin, A Repetti… - … of Computational and …, 2022 - researchportal.hw.ac.uk
Sampling-based algorithms are classical approaches to perform Bayesian inference in
inverse problems. They provide estimators with the associated credibility intervals to quantify …
inverse problems. They provide estimators with the associated credibility intervals to quantify …
Plug-and-play imaging with model uncertainty quantification in radio astronomy
Plug-and-Play (PnP) algorithms are appealing alternatives to proximal algorithms when
solving inverse imaging problems. By learning a Deep Neural Network (DNN) behaving as a …
solving inverse imaging problems. By learning a Deep Neural Network (DNN) behaving as a …
PolyCLEAN: When H\" ogbom meets Bayes--Fast Super-Resolution Imaging with Bayesian MAP Estimation
Aims: We address two issues for the adoption of convex optimization in radio interferometric
imaging. First, a method for a fine resolution setup is proposed which scales naturally in …
imaging. First, a method for a fine resolution setup is proposed which scales naturally in …