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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Magn Reson Imaging. 2014 May 17;32(8):1012–1020. doi: 10.1016/j.mri.2014.05.004

Figure 1.

Figure 1

Data sampling strategies. a) Variable-density Poisson-Disk sampling on ky-kz plane through time (each block is for one time frame; k-space center is fully sampled), b) the samples at each time frame selected with STIRRUP for generating a composite data at the time frame of interest, c) composite sampling patterns through time. The composite data sets are reconstructed as STIRRUP results, which are used for improving the initial solution for SPIRiT (iiSPIRiT).