Le 15 déc. 2015 19:24, "Douglas N Greve" <greve@nmr.mgh.harvard.edu> a écrit :

btw, we are still making changes to version 6 so don't assume that the
results from the beta will be consistent with the current beta distribution.

On 12/15/2015 12:22 PM, Bruce Fischl wrote:
> Hi Matthiew
>
> we are still hoping to get an official v6 release out in the next
> month or two, so it would be best to use that which I think will
> outperform whatever beta you have and 5.3. If you can't wait you are
> probably better off using 5.3 (although I think the v6 you have is
> more  accurate) so that people can at least replicate the software
> version you are using
>
> cheers
> Bruce
>
> On Tue, 15 Dec 2015, Matthieu Vanhoutte wrote:
>
>> Hi Bruce,
>>
>> Is it better to overestimate than underestimate ? Please find joined
>> this two saggital images (FS v5.3 and FS v6_beta) of brain
>> segmentation. Cerebellum in v6_beta really seems to go outside of its
>> borderlines even if cerebellum in v5.3 is indeed lightly
>> underestimated.
>>
>> Looking at the cerebral cortex I found the segmentation less
>> "smoothed" in v6_beta (with more irregularities near pial surface)
>> than in v5.3 according to coronal views of segmentations joined.
>>
>> What do you think about it ?  Would you advise me to go on with the
>> v6_beta anyway ?
>>
>> Would it be better and coherent to use a more recent "nightly dev
>> builds" of FreeSurfer for future publication ?
>>
>> Thanks in advance for helping !
>>
>> Best regards,
>>
>> Matthieu
>>
>> 2015-12-15 17:38 GMT+01:00 Bruce Fischl <fischl@nmr.mgh.harvard.edu>:
>>       Hi Matthieu
>>
>>       I think 6.0 looks better overall, even in the beta that you
>> have. The 5.3
>>       segmentation looks like it is underestimating cerebellum and
>> hippocampus to
>>       me.
>>
>>       cheers
>>       Bruce
>>
>>
>>       On Tue, 15 Dec 2015, Matthieu Vanhoutte wrote:
>>
>>       > Dear FS's experts,
>>       >
>>       > I have tried the recon-all process on one subject with both
>> FS v5.3 and v6_beta.
>>       >
>>       > Although subcortical structures seems to be better segmented
>> in v6_beta, I find that v6_beta over-segmented some
>>       other
>>       > structures as cerebellum, hippocampus, ...
>>       >
>>       > I will attached in the FileDrop my T1.mgz, and
>> aparc.a2009s+aseg.mgz files for both freesurfer versions.
>>       >
>>       > Could you please look at it and tell me what do you think
>> about and advise me ?
>>       >
>>       > Thank you !
>>       >
>>       > Best regards,
>>       > Matthieu
>>       >
>>       >
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
greve@nmr.mgh.harvard.edu
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