[MINC-users] time and time-width dimension in dynamic image

Sylvain MILOT sylvain at bic.mni.mcgill.ca
Fri Oct 21 17:56:51 EDT 2005


Hmmm, I think there might be a way to do this with mincconcat

but I've never tried it, see mincconcat -help

...

-coordlist:            Specify the dimension coordinates ("<c1>,<c2>,...").
-widthlist:            Specify the dimension widths ("<w1>,<w2>,...").

...

Sylvain

On Fri, 21 Oct 2005, Sylvain MILOT wrote:

>
> Yes this is fine for attributes but how do you do this for variables ?
>
> time and time-width are extracted with :
>
> mincinfo -varvalue time dynamic.mnc
> mincinfo -varvalue time-width dynamic.mnc
>
> How do you do this with minc_modify_header ?
>
> Sylvain
>
>
> On Fri, 21 Oct 2005, Jonathan HARLAP wrote:
>
> > alternately (without the ambiguity of $MERGE) something on the order of...
> >
> > if X is an attribute in a minc header...
> > minc_modify_header -sinsert "X=`mincinfo -quiet -attvar X original.mnc`" realigned.mnc
> >
> > would be an inefficient but simple way to do it...
> >
> > cheers,
> > j
> >
> > On Fri, Oct 21, 2005 at 01:07:00PM -0400, Sylvain MILOT wrote:
> > >
> > > Hello Oliver,
> > >
> > > I'm not sure this will help but here are some thoughts for a
> > > quick hack:
> > >
> > > The quickest way would be to use mincedit of course or something like
> > > the following:
> > >
> > > ncdump -v 'time,time-width' original.mnc > time.cdl
> > > mincheader realigned.mnc > realigned.cdl
> > > $MERGE time.cdl realigned.cdl > new.cdl
> > > ncgen -o new.mnc new.cdl
> > > minccopy realigned.mnc new.mnc
> > >
> > > $MERGE is the unknown and could hinder the "quick" hack!
> > >
> > > Sylvain
> > >
> > >
> > > On Thu, 20 Oct 2005, Oliver Winz wrote:
> > >
> > > > Hi,
> > > >
> > > > i have a problem with the "time" and "time-width" dimensions in a
> > > > dynamic PET image. After converting ECAT PET to MINC (ecattominc) i get
> > > > the correct values about both dimensions. When i splitting the dynamic
> > > > image into single frame images, e.g. for realignment, and afterwards
> > > > concat the single frames together to a new dynamic, the previous
> > > > information is lost. How can i easy modifiy (at best command line) the
> > > > mincheader and change the values for "time" and "time-width".
> > > >
> > > > Thanks!
> > > >
> > > > Oliver
> > > >
> > > > --
> > > > Oliver Winz, M.Sc.
> > > > Molecular Neuroimaging Group
> > > > Institute of Medicine (IME)
> > > > Research Centre Juelich
> > > > D-52425 Juelich
> > > > Germany
> > > >
> > > > Phone: +49 2461 61-6493
> > > > Web: http://www.fz-juelich.de/ime/mni
> > > > Location: Building 15.9, Room 3010
> > > >
> > > > _______________________________________________
> > > > MINC-users at bic.mni.mcgill.ca
> > > > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> > > >
> > >
> > > ---
> > > Sylvain Milot (sylvain at bic.mni.mcgill.ca)
> > >               (trinity at bic.mni.mcgill.ca)
> > > Brain Imaging Centre
> > > Montreal Neurological Institute
> > > Webster 2B, Room 208
> > > Montreal, Qc., Canada, H3A 2B4
> > > Phone  : (514) 398-4965, Fax: 398-8948
> > > Mobile : (514) 712-1768
> > > Office : 527 Av Des Pins O., Room 204
> > >          Montreal, Qc., H2W 1S4
> > >
> > >
> > >
> > > _______________________________________________
> > > MINC-users at bic.mni.mcgill.ca
> > > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> > _______________________________________________
> > MINC-users at bic.mni.mcgill.ca
> > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> >
>
> ---
> Sylvain Milot (sylvain at bic.mni.mcgill.ca)
>               (trinity at bic.mni.mcgill.ca)
> Brain Imaging Centre
> Montreal Neurological Institute
> Webster 2B, Room 208
> Montreal, Qc., Canada, H3A 2B4
> Phone  : (514) 398-4965, Fax: 398-8948
> Mobile : (514) 712-1768
> Office : 527 Av Des Pins O., Room 204
>          Montreal, Qc., H2W 1S4
>
>
> _______________________________________________
> MINC-users at bic.mni.mcgill.ca
> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
>

---
Sylvain Milot (sylvain at bic.mni.mcgill.ca)
              (trinity at bic.mni.mcgill.ca)
Brain Imaging Centre
Montreal Neurological Institute
Webster 2B, Room 208
Montreal, Qc., Canada, H3A 2B4
Phone  : (514) 398-4965, Fax: 398-8948
Mobile : (514) 712-1768
Office : 527 Av Des Pins O., Room 204
         Montreal, Qc., H2W 1S4




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