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Abstract #3221

Bootstrapped Estimates of Velocity Uncertainty for 4D Flow PC-MRI

Michael Loecher1 and Daniel B. Ennis1

1Department of Radiological Sciences, University of California, Los Angeles, CA, United States

We implement and analyze a bootstrapping method to estimate VNR measurements with a limited number of 4D Flow acquisitions. Bootstrapped estimates were created from sets of 2 acquisitions and sets of 5 acquisitions. The VNR maps were compared to a ground truth VNR measurement generated from 50 acquisitions in a flow phantom. The method was also demonstrated in vivo to generate VNR maps of the carotid arteries.

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