# Dwidenoise with dwipreproc

**URL:** <https://community.mrtrix.org/t/dwidenoise-with-dwipreproc/2358>\
**Category:** Uncategorized\
**Created:** [March 15, 2019, 2:22pm UTC](https://community.mrtrix.org/t/dwidenoise-with-dwipreproc/2358 "2019-03-15T14:22:44Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![mheyne](https://community.mrtrix.org/letter_avatar_proxy/v4/letter/m/e9a140/32.png) [@mheyne](https://community.mrtrix.org/u/mheyne)\
**Post date:** [March 16, 2019, 8:27pm UTC](https://community.mrtrix.org/t/dwidenoise-with-dwipreproc/2358/2 "2019-03-16T20:27:53Z")

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Hi Matteo,

You might find answers to your question here [Denoising and unringing before eddy](https://community.mrtrix.org/t/denoising-and-unringing-before-eddy/2223) and here [https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind1901&L=FSL&P=R48437&1=FSL&9=A&J=on&d=No+Match%3BMatch%3BMatches&z=4](https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind1901&L=FSL&P=R48437&1=FSL&9=A&J=on&d=No+Match%3BMatch%3BMatches&z=4)

Basically, there are differing opinions on whether one should apply denoising (and Gibbs ringing correction, which I also recommend -\> mrdegibbs) prior to running eddy. I have yet to see eddy fail on denoised and/or de-Gibbs-ed DWI data (the problem described in my post to the FSL forum was a field map issue).

Best,  
Matthias

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