Re: [Freesurfer] midbrain mask

2015-04-16 Thread André Schmidt
I have feared that. Sorry for asking, but do you have an atlas in mind for my 
purpose?

Cheers
Andre

Von: freesurfer-boun...@nmr.mgh.harvard.edu 
[freesurfer-boun...@nmr.mgh.harvard.edu]" im Auftrag von "Bruce 
Fischl [fis...@nmr.mgh.harvard.edu]
Gesendet: Mittwoch, 15. April 2015 19:04
An: Freesurfer support list
Betreff: Re: [Freesurfer] midbrain mask

oh, if you have no anatomical images then we can't help you
Bruce
On Wed, 15 Apr
2015, André Schmidt wrote:

> Thanks Bruce. I'll try this.
>
> The problem is I have no anatomical images for my subjects. What can I use as 
> input volume in mri_extract_label?
>
> I want use this mask to extract time series afterwards.
>
> Thanks again.
>
> Best wishes
> Andre
>
> 
> Von: freesurfer-boun...@nmr.mgh.harvard.edu 
> [freesurfer-boun...@nmr.mgh.harvard.edu]" im Auftrag von "Bruce 
> Fischl [fis...@nmr.mgh.harvard.edu]
> Gesendet: Mittwoch, 15. April 2015 18:18
> An: Freesurfer support list
> Betreff: Re: [Freesurfer] midbrain mask
>
> p.s. sorry, maybe not brainstem, maybe "ventral diencephalon"
> On Wed, 15
> Apr 2015, André Schmidt wrote:
>
>> Dear FS experts,
>> Can you please guide me how to create a binary mask of the left midbrain
>> (VTA, SN)?
>>
>> Thanks for your help
>> Andre
>>
>>
>
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>
>
>

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Re: [Freesurfer] midbrain mask

2015-04-16 Thread Bruce Fischl

not if you don't have any anatomical images
Bruce
On Thu, 16 Apr 2015, André 
Schmidt wrote:



I have feared that. Sorry for asking, but do you have an atlas in mind for my 
purpose?

Cheers
Andre

Von: freesurfer-boun...@nmr.mgh.harvard.edu 
[freesurfer-boun...@nmr.mgh.harvard.edu]" im Auftrag von "Bruce 
Fischl [fis...@nmr.mgh.harvard.edu]
Gesendet: Mittwoch, 15. April 2015 19:04
An: Freesurfer support list
Betreff: Re: [Freesurfer] midbrain mask

oh, if you have no anatomical images then we can't help you
Bruce
On Wed, 15 Apr
2015, André Schmidt wrote:


Thanks Bruce. I'll try this.

The problem is I have no anatomical images for my subjects. What can I use as 
input volume in mri_extract_label?

I want use this mask to extract time series afterwards.

Thanks again.

Best wishes
Andre


Von: freesurfer-boun...@nmr.mgh.harvard.edu 
[freesurfer-boun...@nmr.mgh.harvard.edu]" im Auftrag von "Bruce 
Fischl [fis...@nmr.mgh.harvard.edu]
Gesendet: Mittwoch, 15. April 2015 18:18
An: Freesurfer support list
Betreff: Re: [Freesurfer] midbrain mask

p.s. sorry, maybe not brainstem, maybe "ventral diencephalon"
On Wed, 15
Apr 2015, André Schmidt wrote:


Dear FS experts,
Can you please guide me how to create a binary mask of the left midbrain
(VTA, SN)?

Thanks for your help
Andre




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Re: [Freesurfer] Advice - best method, longitudinal vs. cross-sectional

2015-04-16 Thread Pradeep
Hello All,

I have pre-processed a subject that has T1 scans at 3 time points using the
freesurfer cross-sectional and longitudinal methods. The results show a lot
of variability. I have attached the plots. Any advice would be much
appreciated.

Thanks,
Pradeep

On Wed, Apr 15, 2015 at 5:26 PM, Pradeep  wrote:

> Hello All,
>
> I have pre-processed a subject that has T1 scans at 3 time using the
> freesurfer cross-sectional and longitudinal methods. The results show a lot
> of variability. I have attached the plots. Any advice would be much
> appreciated.
>
> Thanks,
> Pradeep
>
> On Wed, Jun 4, 2014 at 12:03 PM, Alexandru Hanganu 
> wrote:
>
>> Thank you very much for your answer Bruce !
>>
>> have a nice evening,
>>
>> Alex.
>>
>>
>> Le 3 juin 14 7:6, Bruce Fischl a écrit :
>> > Hi Alex
>> >
>> > I would think that longitudinal analysis is still the way to go as we
>> try
>> > to improve both reliability and sensitivity using the fact that we have
>> > multiple scans/subject.
>> >
>> > cheers
>> > Bruce
>> > On Tue, 3 Jun 2014, Alexandru Hanganu wrote:
>> >
>> >> Hello Everyone,
>> >>
>> >> could someone please give us an advice about which method you consider
>> is
>> >> the best for our study ?
>> >>
>> >> we have two groups with MRI at Time 1. Each group received medication.
>> After
>> >> this we performed another MRI at Time 2 after 2 weeks.
>> >>
>> >> The best method for this study is a longitudinal one or a
>> cross-sectional
>> >> GLM ?
>> >>
>> >> We consider that the distance between the time points is too small,
>> and the
>> >> longitudinal method is not the best choice. Hence, this study should be
>> >> treated as a cross-sectional one. In this case we think about
>> performing a
>> >> simple GLM with the contrasts:
>> >> 0.5 0.5 0.5 0.5
>> >> or 1 -1 -1 1
>> >>
>> >> for the groups:
>> >> 1) grp 1 time 1
>> >> 2) grp 1 time 2
>> >> 3) grp 2 time 1
>> >> 4) grp 2 time 2
>> >>
>> >> we are searching to see whether medication had any impact on the
>> cortical
>> >> morphology in each group and between the groups.
>> >>
>> >> Thank you !
>> >> Best regards,
>> >> Alex.
>> >>
>> >>
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>> >
>> >
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>> > addressed. If you believe this e-mail was sent to you in error and the
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>> > dispose of the e-mail.
>> >
>> >
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Re: [Freesurfer] Installing FreeSurfer on Fedora 21

2015-04-16 Thread Ranjan Maitra
Zeke and others,

I wanted to let you know that installing it on the local hard drive gets around 
the issues. I sincerely appreciate your help and thank you very much for the 
time taken in helping out.

Many thanks,
Ranjan


> -Original Message-
> From: zkauf...@nmr.mgh.harvard.edu
> Sent: Wed, 15 Apr 2015 13:52:03 -0400
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] Installing FreeSurfer on Fedora 21
> 
> Ranjan,
> 
> I installed Fedora21 onto a laptop. I then download and installed
> freesurfer and, after installing a few basic packages (tcsh
> libXcrnSaver), I was able to open freeview without any errors.
> 
> Which means the "library not found" issue you are encountering has
> something to do with your local environment. Either the filesystems you
> are mounting or the extraction errors you encounter when untarring. As
> Daniel suggests, you may want to confine this to your local disk.
> 
> -Zeke
> 
> 
> On 04/15/2015 10:03 AM, dgw wrote:
>> Ranjan,
>> 
>> You may want to try installing it on a local hard disk. Do you have
>> any scratch space you can use on the computer?
>> 
>> HTH,
>> D
>> 
>> On Tue, Apr 14, 2015 at 5:09 PM, Ranjan Maitra
>>  wrote:
>>> Nick,
>>> 
>>> Thanks! It does match in the gzipped tarball:
>>> 
>>> ~$ md5sum freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar.gz
>>> 6642289df823ebc27de52af57e9b3989
>>> freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar.gz
>>> 
>>> ~$ md5sum freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar
>>> 8cf47fbcd0a675f7832986ee87c2d00f
>>> freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar
>>> 
>>> I don't think that this matters, but the filesystem is an Inselon OneFS
>>> filesystem and is mounted on to my machine via a cifs mount.
>>> 
>>> Many thanks,
>>> Ranjan
>>> 
>>> 
>>> 
>>> 
>>> 
 -Original Message-
 From: ni...@nmr.mgh.harvard.edu
 Sent: Tue, 14 Apr 2015 16:26:50 -0400
 To: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] Installing FreeSurfer on Fedora 21
 
 Ranjan,
 
 after downloading, confirm the integrity of the tarball by running
 md5sum on it.  you should get the following sum:
 
 6642289df823ebc27de52af57e9b3989
 
 also, make sure you have at least 4.2GB of space prior to download.
 some older partitions have a 4GB max size (probably not the case, but
 thought i'd mention it).
 
 Nick
 
 On Tue, 2015-04-14 at 12:06 -0800, Ranjan Maitra wrote:
> Zeke,
> 
> Thanks!
> 
>> 
>> We support centos6 platform but we are currently unaware of any
>> linux
>> distributions in which freeview can not open. I dont not have
>> immediate
>> access to a Fedora21 system but I will attempt to install one and
>> investigate this further. Please allow a day or so for a response.
> 
> Thank you very much!
> 
>> 
>> Lastly, it would make me feel a lot better if you could extract the
>> freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar.gz without
>> getting
>> any errors. Its possible something is getting corrupted along the
>> way
>> which is somehow responsible for this issue.
> 
> I agree with you, but I have tried downloading and unpacking several
> times, to no avail. Always the same error/message. (I use wget, but I
> don't see why that should be a problem.) I can not see how to get
> around
> this. Do you have any other suggestions as to how to get around this?
> 
> Many thanks,
> Ranjan
> 
> 
> 
> 
>> On 04/14/2015 03:15 PM, Ranjan Maitra wrote:
>>> Zeke,
>>> 
>>> Thanks again!
>>> 
 -Original Message-
 From: zkauf...@nmr.mgh.harvard.edu
 Sent: Tue, 14 Apr 2015 15:12:06 -0400
 To: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] Installing FreeSurfer on Fedora 21
 
 Ranjan,
 
 Ok, the binaries appear work. So at the present moments the issue
 appears to only be with libvtkverdict.so.5.6.0
 
 1) What happens if, right before you type the freeview command,
 you
 set
 the LD_LIBRARY_PATH environment variable as follows:
 
  (if bash)
  $> export
 LD_LIBRARY_PATH=$FREESURFER_HOME/lib/vtk/lib/vtk-5.6
  $> freeview
>>> 
>>> I tried this, to no avail:
>>> 
>>> ~$ export LD_LIBRARY_PATH=$FREESURFER_HOME/lib/vtk/lib/vtk-5.6
>>> ~$ freeview
>>> freeview.bin: error while loading shared libraries:
>>> libvtkverdict.so.5.6: cannot open shared object file: No such file
>>> or
>>> directory
>>> 
>>> 
 
  (if csh)
  $> setenv LD_LIBRARY_PATH
 $FREESURFER_HOME/lib/vtk/lib/vtk-5.6
  $> freeview
 
 2) What is the output when you perform an 'md5sum' on
 libvtkverdict.so.5.6.0

[Freesurfer] Is the linux centos package compiled with openmp enabled?

2015-04-16 Thread jupiter
Hi,

I've installed FreeSurfer from a binary package
freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0.tar.gz., does that
package was compiled witn ---enable-openmp?

Thank you.

Kind regards,

- j
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