PROTECTED]
Sent: Thu 9/15/2005 10:11 AM
To: Bruce Fischl
Cc: Fornito, Alexander; freesurfer@nmr.mgh.harvard.edu; Tracy Wang
Subject:RE: [Freesurfer] intensity normalization failure
You should be able to use mri_segstats somehow. You'll need a
segmentation, though. You could te
escriptive stats (eg., Mean, SD) as a quick check?
>>
>> -Original Message-
>> From: Bruce Fischl [mailto:[EMAIL PROTECTED]
>> Sent: Thursday, September 15, 2005 3:33 AM
>> To: Tracy Wang
>> Cc: freesurfer@nmr.mgh.harvard.edu
>> Subject: Re: [Freesur
Bruce Fischl [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 15, 2005 3:33 AM
To: Tracy Wang
Cc: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] intensity normalization failure
if it succeeds then the intensity in the wm should be exactly 110 over
much of the brain, and 90
Hi
What is a ty
?
-Original Message-
From: Bruce Fischl [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 15, 2005 3:33 AM
To: Tracy Wang
Cc: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] intensity normalization failure
if it succeeds then the intensity in the wm should be exactly 110 over
much
: Re: [Freesurfer] intensity normalization failure
if it succeeds then the intensity in the wm should be exactly 110 over
much of the brain, and 90 Hi
>
> What is a typical example of when the intensity normalization process
fails?
> Does the over-all image seem brighter? What is a good
I'm using 1.5T MPRAGEs. and the skull stripped T1 overall looks very bright. However the intensity for WM is between 90 and 120.
Tracy
On Sep 14, 2005, at 12:40 PM, Bagnato, Francesca (NIH/NINDS) wrote:
Just a cuoriosity:
which kind of volumes are you using?
I had lots of troubles with 3T SPG
Just a cuoriosity:
which kind of volumes are you using?
I had lots of troubles with 3T SPGRs and saw the center of the images just
brighter.
francesca
_
From: Tracy Wang [mailto:[EMAIL PROTECTED]
Sent: Wed 9/14/2005 1:23 PM
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] intensit
if it succeeds then the intensity in the wm should be exactly 110 over
much of the brain, and 90
Bruce
On Wed, 14 Sep
2005, Tracy Wang wrote:
Hi
What is a typical example of when the intensity normalization process fails?
Does the over-all image seem brighter? What is a good indicator of
