[MINC-users] Very large dicom variables in the header crashing loni debabelizer.

[Andrew Janke]

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Yes, try the attached script.

but use with caution!  It modifies the MINC file in place.

a

On 20/07/05, Dylan David Wagner <dwagne@bic.mni.mcgill.ca> wrote:
> Hi,
>=20
>      I've been trying to use the loni debabelizer to convert some minc
> files to nifti and/or analyze (couldn't find an in house converter for
> nifti, do we have one?). I've been finding that certain files crash it,
> other files aren't identified as MINC and a third group actually work!
>=20
>       The reason why some files crash the babelizer, or aren't
> identified, seems to have to do with long headers caused by some of the
> dicom variables in the minc header. At least that's the only difference
> I can discern.
>=20
>        Older mincfiles scanned before the Siemens got an upgrade are
> identified without fail. Aside from a few additional entries in the
> study variable, the main differences is the dicom variables are huge and
> the mincheader jumps from ~20kb to 700+ Kb.
>=20
>       Newer files scanned after the upgrade work if they've been
> preprocessed with the fmri preprocessing tools (which seems to eliminate
> the dicom entries from the header). Oddly enough if I use cygwin to do
> the preprocessing with the same minctools, the dicom entries in the
> header are preserved (and loni debabelizer crashes).
>=20
>       I'm guessing the fault lies with the Loni app, however does anyone
> have any quick fixes to eliminate all the dicom info from the header?
> I'd still like to keep the rest of the header intact.
>=20
>                     Thanks,
>                         DDW
> _______________________________________________
> MINC-users@bic.mni.mcgill.ca
> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
>=20


--=20
Andrew Janke      (a.janke@gmail.com || www.cmr.uq.edu.au/~rotor)
Canada->Montreal                                   Cell: +1 (514) 924 2012

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