Gibbs Ringing

Gibbs Ringing correction from mrtrix3

https://mrtrix.readthedocs.io/en/latest/reference/commands/mrdegibbs.html

Run

mrdegibbs input output

This command is designed to run on data directly after it has been reconstructed by the scanner, before any interpolation of any kind has taken place. You should not run this command after any form of motion correction (e.g. not after dwifslpreproc). Similarly, if you intend running dwidenoise, you should run denoising before this command to not alter the noise structure, which would impact on dwidenoise’s performance.

It is run after denoise.