Attached are examples of the bvals.dat and bvecs.dat files extracted from
siemens dicoms by dt_recon. This was for a 60 dir DTI scan w/ 10 b0s.

On Thu, 13 Mar 2014, Chris Watson wrote:

> dcm2nii should give you bvecs and bvals
> If you just want to transpose the file, I wrote a script to do it (attached).
>
> On 03/13/2014 04:50 PM, Gennan Chen wrote:
>
> Anastasia,
>
> The thing not clear from me is the format for those files. I did not see an example anywhere in t
> he wiki or in the distribution. And I am downing tutorial data now. Hope it is there. BTW, do yo
> u have an example? I know how to get those from private dicom tags.
>
> Gen
>
> -----Original Message-----
> From: Anastasia Yendiki [mailto:ayendiki@nmr.mgh.harvard.edu]
> Sent: Thursday, March 13, 2014 1:37 PM
> To: Gennan Chen
> Cc: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] bvals and bvecs for dt_recon
>
>
> How is the format different? Is it in 3 rows instead of 3 columns? If so, it should be straightfo
> rward to convert it yourself from 3 rows to 3 columns.
>
> On Thu, 13 Mar 2014, Gennan Chen wrote:
>
> Hi! All,
>
> Is there an utility to extract bvals and bvecs from GE’s DTI dicom
> files into the format dt_recon can use? I try to run dt_recon as it is
> but it did not pick up those values. Those files are from ADNI.
>
> Gen
>
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