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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: IEEE Trans Med Imaging. 2016 Sep;35(9):2064–2073. doi: 10.1109/TMI.2016.2547988

TABLE III.

Evaluation of Reconstructed EP Using Gradient-based EPT And Differently Derived Proton Density.

Calculated ρ S.B.-ρ I.B.-ρ
RE σ 15% 18% 15%
ε 6% 9% 8%
CC σ 0.82 0.77 0.82
ε 0.6 0.17 0.35

S.B.-ρ: Estimated ρ assuming symmetric B1 pattern

I.B.-ρ: Estimated ρ assuming identical B1 pattern