Abstract #1469
Optimization of Flip angle and TR schedules for MR Fingerprinting
Maxwell L Wong 1 , Eric Z.C. Wu 2 , and Eric C Wong 3
1
UC San Diego, La Jolla, California, United
States,
2
University
of Southern California, California, United States,
3
Department
of Radiology and Psychiatry, UCSD, La Jolla, California,
United States
In this study, we simulate and attempt to optimize
parameters for MR Fingerprinting. We looked for ways to
characterize flip angle and TR schedules that produce
the best estimated T1, T2 and frequency maps. This was
done using frequency filters applied to random
schedules, and comparison to DESPOT1 and DESPOT2 to
assess the effectiveness of MRF. We confirmed higher
sensitivity of MRF compared to DESPOT, and identified
frequency characteristics in the flip angle schedules
that were beneficial.
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