----Messaggio originale----
Da: fischl@nmr.mgh.harvard.edu
Data: 7-dic-2012 17.09
A: "Andrea Tateo"<andrea.tateo@virgilio.it>
Ogg: Re: R: Re: R: Re: [Freesurfer] different MRI size
why do you have different matrix sizes? And I can't tell resolution
without knowing the FOV. Ideally no voxel dimension is bigger than about
1.3-1.4mm.
cheers
Bruce
p.s. please cc the list so that others can answer!
On Fri, 7 Dec 2012, Andrea Tateo wrote:
>
>
> My data set has two types of MR-images:
> first 256, 124, 256
>
> second 181, 145, 181
>
>
>
>
>
>
> ----Messaggio originale----
> Da: fischl@nmr.mgh.harvard.edu
> Data: 7-dic-2012 15.56
> A: "Andrea Tateo"<andrea.tateo@virgilio.it>
> Ogg: Re: R: Re: [Freesurfer] different MRI size
>
> Sure. What are the voxel sizes?
>
> On Dec 7, 2012, at 9:52 AM, Andrea Tateo <andrea.tateo@virgilio.it>
> wrote:
>
> Thank you Bruce for answering.
>
>
> My images have size: 256, 124, 256 and 181, 145, 181
> I would like to have FS-output with same input's size to evaluate
> DICE index.
>
> (The manual segmentation of comparison are images with sizes 256,
> 124, 256 and 181, 145, 181)
>
> Thank you for your time
>
>
>
>
>
>
> ----Messaggio originale----
> Da: fischl@nmr.mgh.harvard.edu
> Data: 7-dic-2012 14.20
> A: "Andrea Tateo"<andrea.tateo@virgilio.it>
> Cc: <Freesurfer@nmr.mgh.harvard.edu>
> Ogg: Re: [Freesurfer] different MRI size
>
> Hi Andrea
>
> sure, recon-all will handle whatever you give it and resample to
> 256^3,
> but the accuracy will degrade as the resolution worsens. What
> resolution
> are your images?
>
> cheers
> Bruce
> On Fri, 7 Dec
> 2012, Andrea Tateo wrote:
>
> > Hello FS experts,
> > I would like to study MRI, by using FS, to extract binary images
> of
> > hippocampi.
> >
> > My data images have sizes different from 256,256,256.
> >
> > Is there any FS procedure to generate images 256, 256, 256 from
> my data
> > set?
> >
> > Does FS work only on images 256, 256, 256 ?
> >
> > Thank you very much
> >
> > Andrea
> >
> >
>
>
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