7T EPI Nyquist Ghost Reduction by Combining Trajectory Measurement, Navigator Echoes and an Inverted Readout Polarity Calibration Scan
Oliver Josephs1, Nadege Corbin1, and Martina Callaghan1
1Wellcome Centre for Human Neuroimaging, UCL Queen Square Institute of Neurology, UCL, London, United Kingdom
A combination and development of several existing calibration and reference techniques for Nyquist ghost reduction allowing 2D EPI fMRI images to be reconstructed with very low ghost level at 7T in demanding gradient regimes.
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