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Hi, Could you run it again. Usually, I have no problem from running dcm2nii to convert the data. https://www.nitrc.org/frs/shownotes.php?release_id=1855 best, Khoi > On Aug 24, 2017, at 5:27 PM, Iris Wei <[log in to unmask]> wrote: > > just checked and how come it is one. I used dicom2nii to convert my DWI data to nifti. > it is one volume? > then how do I fix this? > > 2017-08-24 14:22 GMT-07:00 Khôi Huỳnh <[log in to unmask] <mailto:[log in to unmask]>>: > Hi, > > Could you confirm the result of fslnvols <yourdata> is 33 ? > > best, > Khoi > >> On Aug 24, 2017, at 5:14 PM, Iris Wei <[log in to unmask] <mailto:[log in to unmask]>> wrote: >> >> And I got my bval and bvec from running dicom2nii. How come it does not match my data? >> >> 2017-08-24 14:12 GMT-07:00 Iris Wei <[log in to unmask] <mailto:[log in to unmask]>>: >> Hi Khoi, >> Thanks so much for replying. >> So I attached my bval and bvec with this email and I noticed my bval start from 0 and then 800,... >> How do I fix this and have DTIFIT to run so that I can continue my analysis? >> Thanks. >> Miao >> >> 2017-08-24 13:31 GMT-07:00 Khôi Huỳnh <[log in to unmask] <mailto:[log in to unmask]>>: >> Hi, >> >> The volume counter in FSLeyes starts at 0. Hence, if your last volume number is 33, probably that the data has 34 volumes. >> >> best, >> Khoi >> >> > On Aug 24, 2017, at 4:27 PM, miao Wei <[log in to unmask] <mailto:[log in to unmask]>> wrote: >> > >> > To whom it may concern, >> > I submitted a question regarding error message of dtifit yesterday but was not lucky enough to get a response. >> > So I went ahead and checked for my bvec and bval files. Both of them has 33 entries. >> > I used FSLeyes to look at my DTI data and dimension 4 listed as 33 as well. Does this means that I also have 33 volumes? >> > If so why when I run DTIFIT it still give me the error message as 'Errors: data and bvals/bvecs do not contain the same number of entries'. >> > I am so confused and could use any hint or help. Thank you!! >> >> >> >> -- >> Miao Wei >> >> >> >> -- >> Miao Wei > > > > > -- > Miao Wei