Multi-frequency interpolation in spiral magnetic resonance fingerprinting for correction of off-resonance blurring.
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ABSTRACT:
SUBMITTER: Ostenson J
PROVIDER: S-EPMC5612382 | biostudies-literature | 2017 Sep
REPOSITORIES: biostudies-literature
Publications
Multi-frequency interpolation in spiral magnetic resonance fingerprinting for correction of off-resonance blurring.
Ostenson Jason J Robison Ryan K RK Zwart Nicholas R NR Welch E Brian EB
Magnetic resonance imaging 20170708
Magnetic resonance fingerprinting (MRF) pulse sequences often employ spiral trajectories for data readout. Spiral k-space acquisitions are vulnerable to blurring in the spatial domain in the presence of static field off-resonance. This work describes a blurring correction algorithm for use in spiral MRF and demonstrates its effectiveness in phantom and in vivo experiments. Results show that image quality of T1 and T2 parametric maps is improved by application of this correction. This MRF correct ...[more]
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