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Unless it's been changed, I don't think it's a single interpolation. Also I don't think it's a spline interpolation. Peace, Matt. From: Diederick Stoffers <[log in to unmask]> Reply-To: FSL - FMRIB's Software Library <[log in to unmask]> Date: Monday, October 7, 2013 12:23 PM To: <[log in to unmask]> Subject: Re: [FSL] Apply rs-fMRI motion correction and fieldmap-based unwarping in a single interpolation Feat will do this for you. Cheers, Diederick On 7 Oct 2013, at 18:54, Torsten Rohlfing <[log in to unmask]> wrote: > Hi All: > > In our rs-fMRI data, we would like to correct both B0 field-induced distortion > (using FUGUE) and motion (using mcflirt?), but in a single (!) interpolation > operation. > > Is it possible to perform a single reslice using the concatenation of > fieldmap-based unwarping and rigid motion transformation? Would we do this > using flirt, can fugue do it, or would we need to do some more involved > transformation computations? > > Hope this makes sense. Thanks! > > Torsten