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Abstract #3675

Removal of EPI Ghosts in the Presence of Prospective Motion Correction

Murat Aksoy 1 , Julian Maclaren 1 , Eric Peterson 1 , and Roland Bammer 1

1 Radiology, Stanford University, Stanford, CA, United States

EPI ghost correction often involves the acquisition of calibration data at the beginning of the scan with phase encoding turned off. This method works well in most cases, but does not handle the scenario where the gradient axes are rotated during the scan, such as during prospective motion correction. In this case, a more robust technique is required. In this study, we compared three different techniques in order to assess the importance of performing EPI ghost correction individually for each readout during prospective motion correction.

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