Module unring 

Gibbs-ringing removal (Kellner 2016 subvoxel shifts) for k-space-truncated images. Complementary to denoise: unringing removes truncation ringing, MP-PCA removes random noise. Recommended before R2*/R2 fitting.

Functions

gibbs_unring

Gibbs-unring multi-volume data (e.g. multi-echo magnitude).

gibbs_unring_masked

Gibbs-unring multi-volume data within a mask bounding box (fast path).

gibbs_unring_volume

Gibbs-unring a single 3-D volume.