[Brains-users] obtaining midline sagittal vermis measure

Cherie Marvel cherie at psychiatry.uiowa.edu
Thu Jan 26 13:12:15 PST 2006


Ok, sounds good! Ron, Gene, thanks for the prompt response! --cherie

On Jan 26, 2006 03:00 PM, Ronald Pierson
<ronald-pierson at psychiatry.uiowa.edu> wrote:

> All that this method refers to is a trace of the three parts of the
> vermis on the single, mid-sagital slice. There is no surface
> generated,
> it is just area of that single trace. Since you are already reliable
> on
> the vermis, you can probably do these in about 2 minutes per scan.
> 
> Ron
> 
> On Jan 26, 2006 02:14 PM, Cherie Marvel <cherie at psychiatry.uiowa.edu>
> wrote:
> 
> > Hi Folks,
> > 
> > A researcher here at Hopkins is hoping to get some measures of the
> > cerebellum from his structural images of schizophrenia patients and
> > healthy controls. I've looked over his T1/T2 images, and they are OK
> > in
> > resolution. It will be too difficult to trace any structures within
> > the
> > cerebellum due to pixelation when magnified. In order to salvage any
> > kind of structural data from his scans, I was thinking that the best
> > option might be to obtain a 2D surface area measure of the midline
> > vermis. I was looking at Peg's 1999 Bio Psych paper "An MRI Study of
> > Cerbellar Vermis Morphology in Patients with Schizophrenia: Evidence
> > in
> > Support of the Cognitive Dysmetria Concept". In that paper (Table
> > 3),
> > a
> > midline sagittal surface area (in cm squared) of the vermis was
> > obtained.
> > 
> > I've been playing around with lots of different features in BRAINS2,
> > including measurment of a mask, but I'm not sure that my "results"
> > are
> > valid because I can't find documentation on acquiring measurements
> > in
> > this way. Does this 2D surface area feature still exist in BRAINS2
> > (Peg
> > used BRAINS), and if so, could you direct me to the feature and/or
> > documentation that supports it?
> > 
> > Thank you for your time.  --cherie
> > 
> > Cherie Marvel, PhD
> > Postdoctoral Fellow
> > Johns Hopkins Medical Institutions
> > Neurology, Div. of Cognitive Neuroscience
> > 1620 McElderry St., Reed Hall East-2
> > Baltimore, MD 21205
> > Phone: (410) 502-4664
> > Fax: (410) 502-2189
> > www.jhu.edu/nimlab							
> > 
> > On Jan 26, 2006 11:01 AM, brains-users-request at psychiatry.uiowa.edu
> > wrote:
> > 
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> > > than "Re: Contents of Brains-users digest..."
> > > 
> > > 
> > > Today's Topics:
> > > 
> > >    1. Re: Some questions regarding segmentation
> > >       (christma at zi-mannheim.de)
> > >    2. RE: Some questions regarding segmentation (Ronald Pierson)
> > > 3. RE: Some questions regarding segmentation (Christoph
> > > Christmann)
> > >    4. RE: Some questions regarding segmentation (Ronald Pierson)
> > >    5. Re: Some questions regarding segmentation (Eugene Zeien)
> > > 
> > > 
> > >
> > >
> > > ----------------------------------------------------------------------
> > > 
> > > Message: 1
> > > Date: Thu, 26 Jan 2006 10:08:52 +0100
> > > From: christma at zi-mannheim.de
> > > Subject: Re: [Brains-users] Some questions regarding segmentation
> > > To: brains-users at psychiatry.uiowa.edu
> > > Message-ID: <1138266532.43d891a40cb08 at as200.zi-mannheim.de>
> > > Content-Type: text/plain;	charset=iso-8859-1
> > > 
> > > hi,
> > > 
> > > using the workup - measure T50 volumes I get all 
> > > informations about the different volumes of different parts 
> > > of the brain in a window (chek T50 volumes). All volumes are 
> > > in the normal range accorcing to the displayed means and 
> > > standard deviations. However, while trying to UPDATE I get 
> > > the following error message
> > > 
> > > Failed to open global raw volume data file
> > > /raid0/data/new_data/brains2/t50/t50_volumes_raw.dat
> > > 
> > > Usually I do create the missing directories manually - whta 
> > > usually makes this kind of errors disappear. But I am not 
> > > quite sure if I should create the directory on the root 
> > > level.
> > > 
> > > Thanks for any hints in advance
> > > 
> > > Christoph
> > > 
> > >
> > >
> > >
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> > > 
> > > 
> > > ------------------------------
> > > 
> > > Message: 2
> > > Date: Thu, 26 Jan 2006 06:36:43 -0600
> > > From: "Ronald Pierson" <ronald-pierson at uiowa.edu>
> > > Subject: RE: [Brains-users] Some questions regarding segmentation
> > > To: <christma at zi-mannheim.de>, <brains-users at psychiatry.uiowa.edu>
> > > Message-ID: <000501c62275$2a3dd090$6501a8c0 at basement>
> > > Content-Type: text/plain;	charset="us-ascii"
> > > 
> > > Hi - sounds like you are making good progress!
> > > 
> > > This is a single file where the data from all of the scans that
> > > you
> > > process will end up. It is not necessary to update the global data
> > > file, as the data for each scan is there in the 10_ACPC/standard
> > > directory. However, for us this makes it easy to put all the data
> > > in
> > > one spot. At Iowa we have about 10 different people doing standard
> > > workup for the various researchers, and there are several thousand
> > > scans. For the data manager, this makes it simple because nobody
> > > has
> > > to
> > > let him know when a scan is done, the data just ends up in the
> > > global
> > > data file. In one file he can see the new data from all of the
> > > scans
> > > that have been completed.
> > > 
> > > This file name and path for this global data file can be changed
> > > when
> > > you measure the volumes, or it can be changed permanently in a
> > > file
> > > called brains2rc. There is one of these files located somewhere in
> > > the
> > > brains2 program folders, I don't recall where at the moment and
> > > I'll
> > > email that later today when I am in the office. You should copy
> > > that
> > > file over to your linux home directory and modify it for your own
> > > preferences. Save it as .brains2rc (that makes it a hidden file).
> > > The
> > > settings you make in the brains2rc file in your home directory
> > > will
> > > override those of the global one, so you can have your own
> > > personal
> > > settings. Somewhere near the bottom the brains2rc file the global
> > > data
> > > file is set, just change it to whatever you want for your system.
> > > 
> > > FYI - the T50 volumes will probably not be useful to you, as they
> > > are
> > > simply CSF vs. Tissue on the T1 image. Segmentation volumes use
> > > the
> > > tissue classified image, and divide the measures into gray, white,
> > > csf,
> > > blood, and unclassified.
> > > 
> > > Ronald
> > > 
> > > 
> > > -----Original Message-----
> > > From: brains-users-bounces at psychiatry.uiowa.edu
> > > [mailto:brains-users-bounces at psychiatry.uiowa.edu] On Behalf Of
> > > christma at zi-mannheim.de
> > > Sent: Thursday, January 26, 2006 3:09 AM
> > > To: brains-users at psychiatry.uiowa.edu
> > > Subject: Re: [Brains-users] Some questions regarding segmentation
> > > 
> > > hi,
> > > 
> > > using the workup - measure T50 volumes I get all 
> > > informations about the different volumes of different parts 
> > > of the brain in a window (chek T50 volumes). All volumes are 
> > > in the normal range accorcing to the displayed means and 
> > > standard deviations. However, while trying to UPDATE I get 
> > > the following error message
> > > 
> > > Failed to open global raw volume data file
> > > /raid0/data/new_data/brains2/t50/t50_volumes_raw.dat
> > > 
> > > Usually I do create the missing directories manually - whta 
> > > usually makes this kind of errors disappear. But I am not 
> > > quite sure if I should create the directory on the root 
> > > level.
> > > 
> > > Thanks for any hints in advance
> > > 
> > > Christoph
> > > 
> > >
> > >
> > >
> > > ************************************************************************
> > > **********************
> > > IMPORTANT: The contents of this email and any attachments are
> > > confidential. They are intended for the 
> > > named recipient(s) only.
> > > If you have received this email in error, please notify the system
> > > manager or the sender immediately and do 
> > > not disclose the contents to anyone or make copies thereof.
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> > > **********************
> > > 
> > > _______________________________________________
> > > Brains-users mailing list
> > > Brains-users at www.psychiatry.uiowa.edu
> > > http://www.psychiatry.uiowa.edu/mailman/listinfo/brains-users
> > > 
> > > 
> > > 
> > > 
> > > ------------------------------
> > > 
> > > Message: 3
> > > Date: Thu, 26 Jan 2006 16:50:03 +0100
> > > From: Christoph Christmann <christma at zi-mannheim.de>
> > > Subject: RE: [Brains-users] Some questions regarding segmentation
> > > To: <brains-users at psychiatry.uiowa.edu>
> > > Message-ID: <6.2.5.6.2.20060126164937.02e93318 at zi-mannheim.de>
> > > Content-Type: text/plain;	charset="us-ascii";	format=flowed
> > > 
> > > Dear Eugene, dear Ronald,
> > > 
> > > I am did good progress in correcting the brain mask.
> > > However, using the T50 algorithm I ended up with two error
> > > messages
> > > 
> > > Error: Failed to change group and permission on old
> > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > Standard_Volumes.old
> > > 
> > > and
> > > 
> > > Error: Failed to change group and permission on standard
> > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > Standard_Volumes
> > > 
> > > Between both messages I get the message
> > > 
> > > "failed to generate histogram threshold module" in the
> > > terminal window. I end up with the following data - there is
> > > obviously no CSF measured.
> > > 
> > > 
> > > Thanks again for any hint!
> > > 
> > > Christoph
> > > 
> > > 
> > >   Left Brain Tissue    568.790    621.980     67.980
> > >                  Left Brain CSF      0.000     82.140     27.
> > > 600
> > >              Right Brain Tissue    569.151    634.270     70.
> > > 720
> > >                 Right Brain CSF      0.000     78.290     26.
> > > 800
> > >         Left Cranial Box Tissue    568.705    621.820     68.
> > > 000
> > >            Left Cranial Box CSF      0.000     81.970     27.
> > > 550
> > >        Right Cranial Box Tissue    569.112    634.100     70.
> > > 750
> > >           Right Cranial Box CSF      0.000     78.100     26.
> > > 740
> > >        Left nFrontal Box Tissue    187.224    198.020     26.
> > > 370
> > >           Left nFrontal Box CSF      0.000     30.970     12.
> > > 530
> > >       Right nFrontal Box Tissue    181.408    210.220     28.
> > > 870
> > >          Right nFrontal Box CSF      0.000     29.580     12.
> > > 590
> > >        Left Temporal Box Tissue     99.858    112.370     12.
> > > 750
> > >           Left Temporal Box CSF      0.000     14.970      5.
> > > 430
> > >       Right Temporal Box Tissue    100.437    113.750     13.
> > > 140
> > >          Right Temporal Box CSF      0.000     12.070      4.
> > > 710
> > >        Left Parietal Box Tissue    106.293    119.200     14.
> > > 680
> > >           Left Parietal Box CSF      0.000     14.650      6.
> > > 320
> > >       Right Parietal Box Tissue    109.642    121.620     15.
> > > 300
> > >          Right Parietal Box CSF      0.000     14.210      6.
> > > 170
> > >       Left Occipital Box Tissue     49.095     62.580     10.
> > > 420
> > >          Left Occipital Box CSF      0.000      5.190      3.
> > > 020
> > >      Right Occipital Box Tissue     53.678     58.210      9.
> > > 910
> > >         Right Occipital Box CSF      0.000      5.340      3.
> > > 000
> > >      Left Cerebellum Box Tissue     61.491     67.440      9.
> > > 420
> > >         Left Cerebellum Box CSF      0.000      7.620      2.
> > > 990
> > >     Right Cerebellum Box Tissue     62.638     66.040      9.
> > > 170
> > >        Right Cerebellum Box CSF      0.000      7.640      2.
> > > 960
> > >     Left Subcortical Box Tissue     44.809     47.190      5.
> > > 390
> > >        Left Subcortical Box CSF      0.000      4.750      1.
> > > 950
> > >    Right Subcortical Box Tissue     43.473     48.170      5.
> > > 480
> > >       Right Subcortical Box CSF      0.000      5.190      2.
> > > 010
> > >       Left Brainstem Box Tissue     18.380     16.210      2.
> > > 520
> > >          Left Brainstem Box CSF      0.000      3.930      1.
> > > 860
> > >      Right Brainstem Box Tissue     16.531     17.020      2.
> > > 650
> > >         Right Brainstem Box CSF      0.000      4.190      1.
> > > 990
> > >     Left Ventricle-2 Box Tissue     59.649     60.690      7.
> > > 740
> > >        Left Ventricle-2 Box CSF      0.000      7.850      4.
> > > 550
> > >    Right Ventricle-2 Box Tissue     58.947     62.880      7.
> > > 800
> > >       Right Ventricle-2 Box CSF      0.000      7.700      4.
> > > 380
> > >       Left Ventricle Box Tissue    110.283    119.590     13.
> > > 390
> > >          Left Ventricle Box CSF      0.000      9.430      5.
> > > 280
> > >      Right Ventricle Box Tissue    107.108    122.980     13.
> > > 710
> > >         Right Ventricle Box CSF      0.000      9.510      5.
> > > 180
> > > 
> > > 
> > > 
> > > -- 
> > > Christoph Christmann christma at as200.zi-mannheim.de
> > > Psychologist, MEE Fon/Fax +49 621 1703 63 18/05
> > > Central Institute of Mental Health    http://www.zi-mannheim.de
> > > Department of Neuropsychology         D-68159 Mannheim J5
> > > and Clinical Psychology                
> > > 
> > >
> > >
> > >
> > > **********************************************************************************************
> > > IMPORTANT: The contents of this email and any attachments are
> > > confidential. They are intended for the
> > > named recipient(s) only.
> > > If you have received this email in error, please notify the system
> > > manager or the sender immediately and do
> > > not disclose the contents to anyone or make copies thereof.
> > > *** eSafe scanned this email for viruses, vandals, and malicious
> > > content. ***
> > >
> > >
> > >
> > > **********************************************************************************************
> > > 
> > > 
> > > 
> > > ------------------------------
> > > 
> > > Message: 4
> > > Date: Thu, 26 Jan 2006 09:58:36 -0600
> > > From: "Ronald Pierson" <ronald-pierson at uiowa.edu>
> > > Subject: RE: [Brains-users] Some questions regarding segmentation
> > > To: "'Christoph Christmann'" <christma at zi-mannheim.de>,
> > > 	<brains-users at psychiatry.uiowa.edu>
> > > Message-ID: <001201c62291$5e4c5160$6d01a8c0 at pierson>
> > > Content-Type: text/plain;	charset="us-ascii"
> > > 
> > > The permissions/group errors are due to the way we use groups
> > > locally,
> > > and I
> > > think that it is documented somewhere on the WIKI page. We use a
> > > stdwrkup
> > > group to make sure only those who are supposed to do standard
> > > workup
> > > have
> > > the ability to modify key files. You may either need to add that
> > > group, or
> > > possibly modify the brains2 configuration so that this group isn't
> > > needed by
> > > brains2.  Anyone have a better answer for that?
> > > 
> > > The problem of no csf is one I just noticed yesterday on a scan I
> > > was
> > > running, and I hadn't submitted a bug report yet because I needed
> > > to
> > > verify
> > > I hadn't introduced a problem in the workup myself. Since you get
> > > the
> > > same
> > > problem as I got, I am beginning to think it probably is a bug,
> > > and
> > > will
> > > need to submit it. I think everyone should check into how to
> > > report
> > > bugs
> > > and also to see what bugs are reported.  This is on the web site.
> > > 
> > > I'll keep you posted on the histogram/T50 CSF bug or problem, as I
> > > don't
> > > know what the problem is quite yet.
> > > 
> > > Ron
> > > 
> > > 
> > > 
> > > -----Original Message-----
> > > From: brains-users-bounces at psychiatry.uiowa.edu
> > > [mailto:brains-users-bounces at psychiatry.uiowa.edu] On Behalf Of
> > > Christoph
> > > Christmann
> > > Sent: Thursday, January 26, 2006 9:50 AM
> > > To: brains-users at psychiatry.uiowa.edu
> > > Subject: RE: [Brains-users] Some questions regarding segmentation
> > > 
> > > Dear Eugene, dear Ronald,
> > > 
> > > I am did good progress in correcting the brain mask.
> > > However, using the T50 algorithm I ended up with two error
> > > messages
> > > 
> > > Error: Failed to change group and permission on old
> > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > Standard_Volumes.old
> > > 
> > > and
> > > 
> > > Error: Failed to change group and permission on standard
> > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > Standard_Volumes
> > > 
> > > Between both messages I get the message
> > > 
> > > "failed to generate histogram threshold module" in the
> > > terminal window. I end up with the following data - there is
> > > obviously no CSF measured.
> > > 
> > > 
> > > Thanks again for any hint!
> > > 
> > > Christoph
> > > 
> > > 
> > >   Left Brain Tissue    568.790    621.980     67.980
> > >                  Left Brain CSF      0.000     82.140     27.
> > > 600
> > >              Right Brain Tissue    569.151    634.270     70.
> > > 720
> > >                 Right Brain CSF      0.000     78.290     26.
> > > 800
> > >         Left Cranial Box Tissue    568.705    621.820     68.
> > > 000
> > >            Left Cranial Box CSF      0.000     81.970     27.
> > > 550
> > >        Right Cranial Box Tissue    569.112    634.100     70.
> > > 750
> > >           Right Cranial Box CSF      0.000     78.100     26.
> > > 740
> > >        Left nFrontal Box Tissue    187.224    198.020     26.
> > > 370
> > >           Left nFrontal Box CSF      0.000     30.970     12.
> > > 530
> > >       Right nFrontal Box Tissue    181.408    210.220     28.
> > > 870
> > >          Right nFrontal Box CSF      0.000     29.580     12.
> > > 590
> > >        Left Temporal Box Tissue     99.858    112.370     12.
> > > 750
> > >           Left Temporal Box CSF      0.000     14.970      5.
> > > 430
> > >       Right Temporal Box Tissue    100.437    113.750     13.
> > > 140
> > >          Right Temporal Box CSF      0.000     12.070      4.
> > > 710
> > >        Left Parietal Box Tissue    106.293    119.200     14.
> > > 680
> > >           Left Parietal Box CSF      0.000     14.650      6.
> > > 320
> > >       Right Parietal Box Tissue    109.642    121.620     15.
> > > 300
> > >          Right Parietal Box CSF      0.000     14.210      6.
> > > 170
> > >       Left Occipital Box Tissue     49.095     62.580     10.
> > > 420
> > >          Left Occipital Box CSF      0.000      5.190      3.
> > > 020
> > >      Right Occipital Box Tissue     53.678     58.210      9.
> > > 910
> > >         Right Occipital Box CSF      0.000      5.340      3.
> > > 000
> > >      Left Cerebellum Box Tissue     61.491     67.440      9.
> > > 420
> > >         Left Cerebellum Box CSF      0.000      7.620      2.
> > > 990
> > >     Right Cerebellum Box Tissue     62.638     66.040      9.
> > > 170
> > >        Right Cerebellum Box CSF      0.000      7.640      2.
> > > 960
> > >     Left Subcortical Box Tissue     44.809     47.190      5.
> > > 390
> > >        Left Subcortical Box CSF      0.000      4.750      1.
> > > 950
> > >    Right Subcortical Box Tissue     43.473     48.170      5.
> > > 480
> > >       Right Subcortical Box CSF      0.000      5.190      2.
> > > 010
> > >       Left Brainstem Box Tissue     18.380     16.210      2.
> > > 520
> > >          Left Brainstem Box CSF      0.000      3.930      1.
> > > 860
> > >      Right Brainstem Box Tissue     16.531     17.020      2.
> > > 650
> > >         Right Brainstem Box CSF      0.000      4.190      1.
> > > 990
> > >     Left Ventricle-2 Box Tissue     59.649     60.690      7.
> > > 740
> > >        Left Ventricle-2 Box CSF      0.000      7.850      4.
> > > 550
> > >    Right Ventricle-2 Box Tissue     58.947     62.880      7.
> > > 800
> > >       Right Ventricle-2 Box CSF      0.000      7.700      4.
> > > 380
> > >       Left Ventricle Box Tissue    110.283    119.590     13.
> > > 390
> > >          Left Ventricle Box CSF      0.000      9.430      5.
> > > 280
> > >      Right Ventricle Box Tissue    107.108    122.980     13.
> > > 710
> > >         Right Ventricle Box CSF      0.000      9.510      5.
> > > 180
> > > 
> > > 
> > > 
> > > -- 
> > > Christoph Christmann christma at as200.zi-mannheim.de
> > > Psychologist, MEE Fon/Fax +49 621 1703 63 18/05
> > > Central Institute of Mental Health    http://www.zi-mannheim.de
> > > Department of Neuropsychology         D-68159 Mannheim J5
> > > and Clinical Psychology                
> > > 
> > >
> > >
> > >
> > > ****************************************************************************
> > > ******************
> > > IMPORTANT: The contents of this email and any attachments are
> > > confidential.
> > > They are intended for the 
> > > named recipient(s) only.
> > > If you have received this email in error, please notify the system
> > > manager
> > > or the sender immediately and do 
> > > not disclose the contents to anyone or make copies thereof.
> > > *** eSafe scanned this email for viruses, vandals, and malicious
> > > content.
> > > ***
> > >
> > >
> > >
> > > ****************************************************************************
> > > ******************
> > > 
> > > _______________________________________________
> > > Brains-users mailing list
> > > Brains-users at www.psychiatry.uiowa.edu
> > > http://www.psychiatry.uiowa.edu/mailman/listinfo/brains-users
> > > 
> > > 
> > > 
> > > 
> > > 
> > > ------------------------------
> > > 
> > > Message: 5
> > > Date: Thu, 26 Jan 2006 11:01:05 -0600
> > > From: Eugene Zeien <eugene-zeien at uiowa.edu>
> > > Subject: Re: [Brains-users] Some questions regarding segmentation
> > > To: "brains-users at psychiatry.uiowa.edu"
> > > 	<brains-users at psychiatry.uiowa.edu>
> > > Message-ID: <43D90051.8020801 at uiowa.edu>
> > > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> > > 
> > > brains2rc file options:
> > > # To set the directory where scripts are saved,
> > > # to "your home directory"/scripts
> > > B2_EVAL_TCL "B2_WORK_DIR" "set B2_WORK_DIR ${HOME}/scripts ; "
> > > 
> > > # To redirect brains2 measures
> > > B2_EVAL_TCL "B2_SCV_FILE" "b2 file saved-class-volume filename=
> > > ${HOME}/data/Class_Volumes"
> > > B2_EVAL_TCL "B2_SSM_FILE" "b2 file saved-surface-measures
> > > filename=
> > > ${HOME}/data/Surface_Measures"
> > > 
> > > brains2 help on "b2 file":
> > > Usage	b2 file <file-type> <filename= filename>
> > > 
> > > Description	Specifies an alternate file to which to write the
> > >         measurement data, as well as the standard data file.
> > >         If no filename is given, then the filename specified
> > >         is cleared and only the default file will be used.
> > > 
> > > <file-type>	Must be one of:  saved-volume | saved-class-volume |
> > >           saved-surface-measures | saved-distance |
> > >           saved-image-stats
> > > 
> > > <filename= filename>	The name of the alternate file to which to
> > > write
> > > the
> > >         measurement data.
> > > 
> > > Return  	Upon successful completion, 0 is returned,
> > > 
> > > I have not found an option for changing the default group from
> > > "stdwkup" to something else.
> > > 
> > > Ronald Pierson wrote:
> > > > The permissions/group errors are due to the way we use groups
> > > > locally, and I
> > > > think that it is documented somewhere on the WIKI page. We use a
> > > > stdwrkup
> > > > group to make sure only those who are supposed to do standard
> > > > workup
> > > > have
> > > > the ability to modify key files. You may either need to add that
> > > > group, or
> > > > possibly modify the brains2 configuration so that this group
> > > > isn't
> > > > needed by
> > > > brains2.  Anyone have a better answer for that?
> > > > 
> > > > The problem of no csf is one I just noticed yesterday on a scan
> > > > I
> > > > was
> > > > running, and I hadn't submitted a bug report yet because I
> > > > needed
> > > > to
> > > > verify
> > > > I hadn't introduced a problem in the workup myself. Since you
> > > > get
> > > > the same
> > > > problem as I got, I am beginning to think it probably is a bug,
> > > > and
> > > > will
> > > > need to submit it. I think everyone should check into how to
> > > > report
> > > > bugs
> > > > and also to see what bugs are reported. This is on the web site.
> > > > 
> > > > I'll keep you posted on the histogram/T50 CSF bug or problem, as
> > > > I
> > > > don't
> > > > know what the problem is quite yet.
> > > > 
> > > > Ron
> > > > 
> > > > 
> > > > 
> > > > -----Original Message-----
> > > > From: brains-users-bounces at psychiatry.uiowa.edu
> > > > [mailto:brains-users-bounces at psychiatry.uiowa.edu] On Behalf Of
> > > > Christoph
> > > > Christmann
> > > > Sent: Thursday, January 26, 2006 9:50 AM
> > > > To: brains-users at psychiatry.uiowa.edu
> > > > Subject: RE: [Brains-users] Some questions regarding
> > > > segmentation
> > > > 
> > > > Dear Eugene, dear Ronald,
> > > > 
> > > > I am did good progress in correcting the brain mask.
> > > > However, using the T50 algorithm I ended up with two error
> > > > messages
> > > > 
> > > > Error: Failed to change group and permission on old
> > > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > > Standard_Volumes.old
> > > > 
> > > > and
> > > > 
> > > > Error: Failed to change group and permission on standard
> > > > measurement file /home/.../Pat6_10_ACPC/standard/
> > > > Standard_Volumes
> > > > 
> > > > Between both messages I get the message
> > > > 
> > > > "failed to generate histogram threshold module" in the
> > > > terminal window. I end up with the following data - there is
> > > > obviously no CSF measured.
> > > > 
> > > > 
> > > > Thanks again for any hint!
> > > > 
> > > > Christoph
> > > > 
> > > > 
> > > >   Left Brain Tissue    568.790    621.980     67.980
> > > >                  Left Brain CSF      0.000     82.140     27.
> > > > 600
> > > >              Right Brain Tissue    569.151    634.270     70.
> > > > 720
> > > >                 Right Brain CSF      0.000     78.290     26.
> > > > 800
> > > >         Left Cranial Box Tissue    568.705    621.820     68.
> > > > 000
> > > >            Left Cranial Box CSF      0.000     81.970     27.
> > > > 550
> > > >        Right Cranial Box Tissue    569.112    634.100     70.
> > > > 750
> > > >           Right Cranial Box CSF      0.000     78.100     26.
> > > > 740
> > > >        Left nFrontal Box Tissue    187.224    198.020     26.
> > > > 370
> > > >           Left nFrontal Box CSF      0.000     30.970     12.
> > > > 530
> > > >       Right nFrontal Box Tissue    181.408    210.220     28.
> > > > 870
> > > >          Right nFrontal Box CSF      0.000     29.580     12.
> > > > 590
> > > >        Left Temporal Box Tissue     99.858    112.370     12.
> > > > 750
> > > >           Left Temporal Box CSF      0.000     14.970      5.
> > > > 430
> > > >       Right Temporal Box Tissue    100.437    113.750     13.
> > > > 140
> > > >          Right Temporal Box CSF      0.000     12.070      4.
> > > > 710
> > > >        Left Parietal Box Tissue    106.293    119.200     14.
> > > > 680
> > > >           Left Parietal Box CSF      0.000     14.650      6.
> > > > 320
> > > >       Right Parietal Box Tissue    109.642    121.620     15.
> > > > 300
> > > >          Right Parietal Box CSF      0.000     14.210      6.
> > > > 170
> > > >       Left Occipital Box Tissue     49.095     62.580     10.
> > > > 420
> > > >          Left Occipital Box CSF      0.000      5.190      3.
> > > > 020
> > > >      Right Occipital Box Tissue     53.678     58.210      9.
> > > > 910
> > > >         Right Occipital Box CSF      0.000      5.340      3.
> > > > 000
> > > >      Left Cerebellum Box Tissue     61.491     67.440      9.
> > > > 420
> > > >         Left Cerebellum Box CSF      0.000      7.620      2.
> > > > 990
> > > >     Right Cerebellum Box Tissue     62.638     66.040      9.
> > > > 170
> > > >        Right Cerebellum Box CSF      0.000      7.640      2.
> > > > 960
> > > >     Left Subcortical Box Tissue     44.809     47.190      5.
> > > > 390
> > > >        Left Subcortical Box CSF      0.000      4.750      1.
> > > > 950
> > > >    Right Subcortical Box Tissue     43.473     48.170      5.
> > > > 480
> > > >       Right Subcortical Box CSF      0.000      5.190      2.
> > > > 010
> > > >       Left Brainstem Box Tissue     18.380     16.210      2.
> > > > 520
> > > >          Left Brainstem Box CSF      0.000      3.930      1.
> > > > 860
> > > >      Right Brainstem Box Tissue     16.531     17.020      2.
> > > > 650
> > > >         Right Brainstem Box CSF      0.000      4.190      1.
> > > > 990
> > > >     Left Ventricle-2 Box Tissue     59.649     60.690      7.
> > > > 740
> > > >        Left Ventricle-2 Box CSF      0.000      7.850      4.
> > > > 550
> > > >    Right Ventricle-2 Box Tissue     58.947     62.880      7.
> > > > 800
> > > >       Right Ventricle-2 Box CSF      0.000      7.700      4.
> > > > 380
> > > >       Left Ventricle Box Tissue    110.283    119.590     13.
> > > > 390
> > > >          Left Ventricle Box CSF      0.000      9.430      5.
> > > > 280
> > > >      Right Ventricle Box Tissue    107.108    122.980     13.
> > > > 710
> > > >         Right Ventricle Box CSF      0.000      9.510      5.
> > > > 180
> > > > 
> > > > 
> > > > 
> > > 
> > > 
> > > 
> > > ------------------------------
> > > 
> > > _______________________________________________
> > > Brains-users mailing list
> > > Brains-users at www.psychiatry.uiowa.edu
> > > http://www.psychiatry.uiowa.edu/mailman/listinfo/brains-users
> > > 
> > > 
> > > End of Brains-users Digest, Vol 7, Issue 10
> > > *******************************************
> > > 
> > 
> > _______________________________________________
> > Brains-users mailing list
> > Brains-users at www.psychiatry.uiowa.edu
> > http://www.psychiatry.uiowa.edu/mailman/listinfo/brains-users
> > 
> 




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