open-discussion > Taking the average of components with similar gradient direction
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Jan 16, 2020  09:01 AM | Ali Ghayoor
Taking the average of components with similar gradient direction
Hello,

I have two questions regarding DTIPrep:
1- Is it still available as an extension of 3D Slicer? I could not find it in Slicer 4.10.
2- Does DTIPrep takes the average of the gradient components, which have the same gradient directions?

Thank you,
Ali Ghayoor
Jan 17, 2020  05:01 AM | Martin Styner
RE: Taking the average of components with similar gradient direction
Originally posted by Ali Ghayoor:
Hello,

I have two questions regarding DTIPrep:
1- Is it still available as an extension of 3D Slicer? I could not find it in Slicer 4.10.
2- Does DTIPrep takes the average of the gradient components, which have the same gradient directions?

Thank you,
Ali Ghayoor
1. yes and no. It still works as a 3D Slicer extension (i.e. if DTIPrep is found in the module path list of Slicer, then it will add DTIPrep to the module list). But we do not consistently update it such that it remains available through the Extension browser. 
2. No, it only averages the b=0 images (after correction for motion), all other images are not averaged.

Best
Martin