I'm no expert one this one, but there should be a way to turn off the
upsampling (which might default in GE scanners?).
Ask your radiographer...
Saad.
On 15 Jul 2009, at 17:40, Rajeet Saluja wrote:
> Hi Saad,
>
> I think that you are right. When I run bedpostx_datacheck it says:
>
> /home/rajeet/Desktop/ST/ST001/data
> data_type INT16
> dim1 256
> dim2 256
> dim3 47
> dim4 60
> datatype 4
> pixdim1 1.0937999487
> pixdim2 1.0937999487
> pixdim3 3.0000000000
> pixdim4 1.0000000000
> cal_max 0.0000
> cal_min 0.0000
> file_type NIFTI-1+
>
> /home/rajeet/Desktop/ST/ST001/nodif_brain_mask
> data_type INT16
> dim1 256
> dim2 256
> dim3 47
> dim4 1
> datatype 4
> pixdim1 1.0937999487
> pixdim2 1.0937999487
> pixdim3 3.0000000000
> pixdim4 1.0000000000
> cal_max 0.0000
> cal_min 0.0000
> file_type NIFTI-1+
>
> num lines in /home/rajeet/Desktop/ST/ST001/bvals
> 1
> num words in /home/rajeet/Desktop/ST/ST001/bvals
> 60
> num lines in /home/rajeet/Desktop/ST/ST001/bvecs
> 3
> num words in /home/rajeet/Desktop/ST/ST001/bvecs
> 180
>
> What can I do to remedy this?
>
> Rajeet
>
--
Saad Jbabdi
University of Oxford, FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
+44 (0) 1865 222523 (fax 717)
www.fmrib.ox.ac.uk/~saad
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