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Abstract #3400

Off-Resonance Self-Correction for Single-Shot Imaging

Franz Patzig1, Bertram Wilm1, Simon Gross1, David Brunner1, and Klaas Paul Pruessmann1
1Institute for Biomedical Engineering, ETH Zurich and University of Zurich, Zurich, Switzerland

We present a novel algorithm capable of determining a B0 map and an off-resonance corrected reconstructed image from a single-shot acquisition. The functionality of the algorithm was shown in-vivo for multiple imaging geometries using regular undersampled single-shot EPI and Spiral readouts showing stable convergence. In addition, the method is tested for the common situation of inter-scan subject movement, in which pre-acquired field maps would be rendered invalid.

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