Field-Map-Free First-Order Dynamic Shimming
Yuhang Shi 1 , Johanna Vannesjo 1 , Karla Miller 1 , and Stuart Clare 1
Oxford Centre for Functional Magnetic
Resonance Imaging of the Brain, Oxford, United Kingdom
Slice-wise dynamic shimming is used in ultra-high-field
MRI research due to its capability to produce a more
homogeneous field than static shimming. This work
presents a field-map-free approach to first-order
dynamic shimming, which can reduce the time spent on
shim determination compared with field-map-based
approaches, whilst still outperforming static shimming.
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