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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Magn Reson Med. 2010 Jun;63(6):1564–1574. doi: 10.1002/mrm.22355

FIG. 2.

FIG. 2

Diagram of the nonlinear reconstruction scheme utilized. k-space data are first reconstructed at low resolution and fit to the signal model, producing low-resolution estimates of the B0 heterogeneity, water, fat, and velocity images. k-space data are then reconstructed at high-resolution, using the low-resolution field map for fitting. These high-resolution images are then fit to the signal model without B0 heterogeneity off-resonance, producing high-resolution water, fat, and velocity images.