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It worked too! Thanks a lot. Lucas. On Mar 16, 2011, at 5:20 AM, Mark Jenkinson wrote: > Hi, > > To do this you need to: > 1 - make sure the with and without images are registered (use FLIRT with dof 6 to register them) > 2 - use fslmaths to calculate the normalised difference between the registered images: > fslmaths withMT -sub withoutMT -div withMT MTRimage > where the withMT and withoutMT are the registered images > That then gives you your MTRimage as desired. > > All the best, > Mark > > On 16 Mar 2011, at 03:14, Lucas Lessa wrote: > >> Dear friends, >> >> I started dealing with FSL a few months ago. >> Now that I learned some things I'd like to do a comparisson between FA and MTR. >> Is it possible to calculate (create) the MTR images in FSL? >> I have the in one volume (serie) imagens with the MT pulse and without and I need to do the relantionship between then (MT-woMT/MT). >> Can I do that in FSL? >> Thank you very much. >> >> Lucas. >>