activity
20102024
most citedOn instabilities of deep learning in image reconstruction - Does AI come at a cost?

795 citations · 1.4k across the 64 of their papers we have counts for

collaborators
Showing 2022Show all

7 papers · 1 filter

math.NA2022

Stable and accurate least squares radial basis function approximations on bounded domains

Ben Adcock, Daan Huybrechs, Cécile Piret

The computation of global radial basis function (RBF) approximations requires the solution of a linear system which, depending on the choice of RBF parameters, may be ill-condition…

math.NA2022★ 1 cited

Near-optimal learning of Banach-valued, high-dimensional functions via deep neural networks

Ben Adcock, Simone Brugiapaglia, Nick Dexter +1

The past decade has seen increasing interest in applying Deep Learning (DL) to Computational Science and Engineering (CSE). Driven by impressive results in applications such as com…

cs.LG2022

CAS4DL: Christoffel Adaptive Sampling for function approximation via Deep Learning

Ben Adcock, Juan M. Cardenas, Nick Dexter

The problem of approximating smooth, multivariate functions from sample points arises in many applications in scientific computing, e.g., in computational Uncertainty Quantificatio…

math.NA2022★ 1 cited

On efficient algorithms for computing near-best polynomial approximations to high-dimensional, Hilbert-valued functions from limited samples

Ben Adcock, Simone Brugiapaglia, Nick Dexter +1

Sparse polynomial approximation has become indispensable for approximating smooth, high- or infinite-dimensional functions from limited samples. This is a key task in computational…

cs.LG2022★ 9 cited

NESTANets: Stable, accurate and efficient neural networks for analysis-sparse inverse problems

Maksym Neyra-Nesterenko, Ben Adcock

Solving inverse problems is a fundamental component of science, engineering and mathematics. With the advent of deep learning, deep neural networks have significant potential to ou…

math.NA2022

Towards optimal sampling for learning sparse approximation in high dimensions

Ben Adcock, Juan M. Cardenas, Nick Dexter +1

In this chapter, we discuss recent work on learning sparse approximations to high-dimensional functions on data, where the target functions may be scalar-, vector- or even Hilbert…

math.NA2022★ 1 cited

An Adaptive sampling and domain learning strategy for multivariate function approximation on unknown domains

Ben Adcock, Juan M. Cardenas, Nick Dexter

Many problems in computational science and engineering can be described in terms of approximating a smooth function of variables, defined over an unknown domain of interest $Ω\…