Rapid measurement and correction of spatiotemporal B0 field changes using FID navigators and a multi-channel reference image.

Tess E Wallace Onur AfacanTobias KoberSimon K Warfield

Published in: Magnetic resonance in medicine (2019)

Spatially resolved B0 inhomogeneity changes up to second order can be characterized in real time using the proposed approach. Retrospective FIDnav correction substantially improves T 2 * -weighted image quality in the presence of strong B0 field modulations, with potential for real-time shimming.

Keyphrases

image quality
computed tomography
deep learning
magnetic resonance
dual energy
cross sectional
magnetic resonance imaging
contrast enhanced
risk assessment
human health
machine learning
loop mediated isothermal amplification
quantum dots
sensitive detection