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Target and moving images.
Anatomical MRI images used as registration targets included (A) T2-weighted and (B) contrast-enhanced T1-weighted. Images derived from diffusion MRI including (C) baseline, (D) fractional anisotropy, and (E) mean diffusion-weighted images were used as moving images in the EPI distortion correction experiments. Displayed images are from the first subject in the study. Note that a skull-stripping mask was applied to all images prior to deformable registration.
