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Abstract #0813

Improved Tracking of Object Motion During MRI Examinations Using Coil Fingerprint Enhanced Signal Navigators.

Kaveh Vahedipour 1,2 , Thomas Kster 1,2 , and Fernando Boada 1,2

1 Center for Advanced Imaging Innovation and Research (CAI2R), NYU Langone Medical Center, New York, NY, United States, 2 Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York School of Medicine, New York, NY, United States

We present a new approach for tracking object motion during MRI examinations. The approach is based on the used of spatially encoded coil signatures or fingerprints. Using this approach, a motion dictionary can be generated and the corresponding information used to assign readout signals to distinct motion states that have been previously identified during a motion-learning scan. Our results demonstrate that this approach is effective and can be easily incorporated into most high-duty cycle imaging sequences used for body MRI.

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