This study evaluates fQSM's feasibility for whole-brain laminar activation mapping, showing less bias towards superficial layers compared to BOLD fMRI and comparable results to VASO.

Magnetic Resonance in Medicine · Sep 6, 2026Peer-reviewedNeuroscience

A geometric anthropomorphic phantom for quantitative susceptibility mapping: accuracy and repeatability

Padriac Hooper, Jin Jin, Kieran O’Brien, Markus Barth

This paper evaluates the accuracy and repeatability of quantitative susceptibility mapping using an anthropomorphic phantom, finding better performance at 3T than 7T.

bioRxiv · Sep 2, 2026 · PreprintBiophysics

Automated Segmentation of Prostatic Gold Fiducial Markers for MR-Only Radiotherapy Planning Using Multi-Modal Consensus Deep Learning

Ashley Wilton Stewart, Jonathan Goodwin, Matthew Richardson, Simon Robinson, Kieran O’Brien, Jin Jin, Markus Barth, Steffen Bollmann

The paper develops a multi-model consensus deep learning approach for automated gold fiducial marker segmentation in prostate MRI, achieving high sensitivity and precision.

bioRxiv · Jun 23, 2026 · PreprintBioinformatics

QSMxT: Robust Masking and Artefact Reduction for Quantitative Susceptibility Mapping

Ashley Wilton Stewart, Simon Robinson, Kieran O’Brien, Jin Jin, Georg Widhalm, Gilbert J. Hangel, Angela Catherine Walls, Jonathan Goodwin, Korbinian Eckstein, Monique C. Tourell, Catherine Morgan, Aswin Narayanan, Markus Barth, Steffen Bollmann

QSMxT improves QSM processing by reducing artefacts and requiring minimal parameter tuning through a robust masking and two-pass reconstruction method.

Magnetic Resonance in Medicine · Oct 22, 2021Peer-reviewedNeuroscience