Search Results for author: Ben T. Cox

Found 5 papers, 5 papers with code

A Learned Born Series for Highly-Scattering Media

1 code implementation9 Dec 2022 Antonio Stanziola, Simon Arridge, Ben T. Cox, Bradley E. Treeby

A new method for solving the wave equation is presented, called the learned Born series (LBS), which is derived from a convergent Born Series but its components are found through training.

j-Wave: An open-source differentiable wave simulator

2 code implementations30 Jun 2022 Antonio Stanziola, Simon R. Arridge, Ben T. Cox, Bradley E. Treeby

We present an open-source differentiable acoustic simulator, j-Wave, which can solve time-varying and time-harmonic acoustic problems.

BIG-bench Machine Learning

A research framework for writing differentiable PDE discretizations in JAX

1 code implementation9 Nov 2021 Antonio Stanziola, Simon R. Arridge, Ben T. Cox, Bradley E. Treeby

Differentiable simulators are an emerging concept with applications in several fields, from reinforcement learning to optimal control.

Photoacoustic Reconstruction Using Sparsity in Curvelet Frame: Image versus Data Domain

1 code implementation26 Nov 2020 Bolin Pan, Simon R. Arridge, Felix Lucka, Ben T. Cox, Nam Huynh, Paul C. Beard, Edward Z. Zhang, Marta M. Betcke

We derive a one-to-one map between wavefront directions in image and data spaces in PAT which suggests near equivalence between the recovery of the initial pressure and PAT data from compressed/subsampled measurements when assuming sparsity in Curvelet frame.

Image Reconstruction

A Helmholtz equation solver using unsupervised learning: Application to transcranial ultrasound

1 code implementation29 Oct 2020 Antonio Stanziola, Simon R. Arridge, Ben T. Cox, Bradley E. Treeby

Transcranial ultrasound therapy is increasingly used for the non-invasive treatment of brain disorders.

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