Table 1. Mean of absolute errors in displacement field across the brain.

Values shown are the mean across the five noise realisations, and errors are the standard deviation of the mean value for each noise realisation. Note that the multiple phase-encode results cover both MPB and MPB/F methods.

	Registration	Fieldmap	Multiple PE
SNR ∞	0.24	0.051	0.032
SNR 40	0.263 ± 0.011	0.071 ± 0.003	0.032 ± 0.000
SNR 20	0.272 ± 0.013	0.087 ± 0.002	0.036 ± 0.000