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Abstract #3751

Accelerated 3D Magnetic Resonance Fingerprinting Using Alternating Direction Method of Multipliers 

Di Cui1, Xiaoxi Liu1, Peng Cao1, Queenie Chan2, and Edward S. Hui1
1Diagnostic Radiology, The University of Hong Kong, Hong Kong, China, 2Philips Healthcare, Hong Kong, Hong Kong

3D magnetic resonance fingerprinting was developed for volumetric parametric quantification. In this study, an alternating direction method of multipliers (ADMM) based 3D MRF approach is proposed to jointly utilize sparsity constraint and spatial coil sensitivity information, leading to better reconstruction performance with 3-fold undersampled 3D MRF data. We demonstrated that the effective scan time for R=3 and whole-brain MRF is less than 7 minutes.

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