Abstract #2874
Overdiscrete Correction of B 0 Inhomogeneity in Accelerated 1 H FID-MRSI at 7T
Thomas Kirchner 1 , Ariane Fillmer 1 , Klaas P Pruessmann 1 , and Anke Henning 1,2
1
Institute for Biomedical Engineering,
University and ETH Zurich, Zurich, Switzerland,
2
Max
Planck Institute for Biological Cybernetics, Tuebingen,
Germany
Residual B
0
inhomogeneity
after shimming leads to incoherent spatial averaging due
to phase and frequency variations over the FOV. We
extended the previously introduced Overdiscretized
Target-Driven MRSI reconstruction method to take B
0
variations
into account in a quasi-continuous manner. A gain in SNR
is achieved compared to conventional voxel-wise B
0
correction.
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