Example codes for VFA-EPTI reconstruction using low-rank subspace method.
The codes were tested in Matlab 2019a.
Related works:

1. "Variable flip angle Echo Planar Time-Resolved Imaging (vFA-EPTI) for fast high-resolution gradient echo myelin water imaging", Zijing Dong et al.
2. "Echo planar time-resolved imaging (EPTI)", Fuyixue Wang et al., MRM, 2019.
3. "EPTI with Subspace Reconstruction and Optimized Spatiotemporal Encoding", Zijing Dong et al., MRM, 2020.
4. "Multi-compartment relaxometry and diffusion informed myelin water imaging - promises and challenges of new gradient echo myelin water imaging methods" Kwok-Shing Chan and Jose Marques, Neuroimage, 2020.
5. "T2 shuffling: Sharp, multicontrast, volumetric fast spin-echo imaging", Jonathan Tamir et al., MRM, 2017.

The example data used in the testing are relatively large, which can be download at: https://figshare.com/articles/dataset/VFA-EPTI_Datasets/13211669
Dong, Zijing; Wang, Fuyixue; Chan, Kwok-Shing; G. Reese, Timothy; Bilgic, Berkin; Marques, José P.; et al. (2020): Data from: variable flip angle Echo Planar Time-Resolved Imaging (vFA-EPTI) for fast high-resolution gradient echo myelin water imaging. figshare. Dataset. https://doi.org/10.6084/m9.figshare.13211669.v3

Computation acceleration can be achieved by BART toolbox: https://mrirecon.github.io/bart

Please contact me if you have any questions about our work.

Zijing Dong [email protected]
Nov/2020