Thanks for your reply Douglas.
Below is the data I have in my gtm.stats.dat file.
1 2 Left-Cerebral-White-Matter wm 138789 65391.648
0.858 0.1584
2 7 Left-Cerebellum-White-Matter wm 9431 5373.205
0.976 0.2046
3 8 Left-Cerebellum-Cortex subcort_gm 27648 15818.709
0.390 0.1331
Could you please tell me which is intensity value here?
Regards,
Janani
-----Original Message-----
From: freesurfer-boun...@nmr.mgh.harvard.edu
[mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N Greve
Sent: 15 August 2017 00:12
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Freesurfer PIB PET image processing
If you use mri_gtmpvc, then the gtm.stats file will have the intensity values.
On 08/11/2017 02:37 AM, M Janani wrote:
> Thanks for your support Douglas.
>
> I have processed my PIB PET images using PETSURFER. It works fine.
>
> I have one more query. Could you please help in computing the PiB mean value
> and intensity value for the ROIs.
>
> Regards,
> Janani
>
>
> -----Original Message-----
> From: freesurfer-boun...@nmr.mgh.harvard.edu
> [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N Greve
> Sent: 10 August 2017 20:06
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] Freesurfer PIB PET image processing
>
> do you mean to run the anatomical analysis on them? No.
>
>
> On 08/10/2017 05:23 AM, M Janani wrote:
>> Is it correct to process the PiB images using Freesurfer ?
>>
>>
>> -----Original Message-----
>> From: freesurfer-boun...@nmr.mgh.harvard.edu
>> [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N
>> Greve
>> Sent: 10 August 2017 03:41
>> To: freesurfer@nmr.mgh.harvard.edu
>> Subject: Re: [Freesurfer] Freesurfer PIB PET image processing
>>
>> We do not have any thing to specifically analyze PiB. You can look at
>> the PETsurfer page for more general instructions
>>
>>
>> On 08/09/2017 02:15 AM, M Janani wrote:
>>> Hi Team,
>>>
>>> I apologize, I am new to Freesurfer.
>>>
>>> Currently we are processing PIB PET images.
>>>
>>> When we compare the SPM data along with FREESURFER
>>> outputs. We were able to see a large variation in the values.
>>>
>>> Could you please guide us in processing PIB PET
>>> images in Freesurfer?
>>>
>>> Since the signal of a PET image is very weak, we
>>> used MRI image as a guide to map it to Standard brain.
>>>
>>> How does Freesurfer process in this case?
>>>
>>> Your help would be grateful.
>>>
>>> Regards,
>>>
>>> Janani
>>>
>>>
>>>
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> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422
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