Abstract #4411
2D-SENSE for Simultaneous Multi Slice Imaging
Benjamin Zahneisen 1 , Rasim Boyacioglu 2 , Thomas Ernst 1 , and Benedikt A. Poser 3
1
School of Medicine, University of Hawaii,
Honolulu, HI, United States,
2
Donders
Institute for Brain, Cognition and Behaviour, Radboud
University, Nijmegen, Netherlands,
3
Maastricht
University, Maastricht, Netherlands
Simultaneous multi-slice (SMS) imaging has recently
gained in popularity, especially for 2D single-shot
sequences like EPI. Established reconstruction
techniques for SMS acquisitions are SENSE/GRAPPA or
slice-GRAPPA when CAIPIRINHA is used. With a few
exceptions, most SMS reconstructions require a two-step
approach to first disentangle the aliased slices, and
then perform in-plane parallel reconstruction, or vice
versa. We propose a 2D-SENSE reconstruction as a general
one-step approach to reconstruct SMS data with
arbitrarily undersampled Cartesian k-space (CAIPI-like
patterns) in phase and/or slice directions. In case of
additional in-plane undersampling it provides an
easy-to-implement, contrast independent, one-step
reconstruction along both undersampled dimensions.
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