[Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-02-27 Thread Matthieu Vanhoutte
ay to project CBF maps on fsaverage, then to smooth the data on surfaces ? Is my process could be improved ? Best regards, -- - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, F

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-02 Thread Matthieu Vanhoutte
oject first on the anatomical subject then on fsaverage than what I've done ? 2) Smoothing with mris_fwhm is a good way with --mask option ? Thank you for your precious advices ! Best regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neur

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
--mask brain.fsaverage.lh.mgh* Many thanks in advance !! Best regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France 2015-03-02 21:13 GMT+01:00 Douglas N Greve : > > On 03/02/2015

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
sphere.reg* *# Smooth* *mris_fwhm --s fsaverage --hemi lh --smooth-only --i lh.fsaverage.cbf.mgh --fwhm 3 --o lh.fwhm3.fsaverage.cbf.mgh --mask brain.fsaverage.lh.mgh* Many thanks in advance !! Best regards, - Matthieu Vanhoutte, MSc Research Engineer

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
Thank you Douglas but I don't understand the solution you propose. Could you please show me the command lines ? - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France 2015-03-05 16:45 GMT+

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
Douglas N Greve : > > Just add --trgsubject fsaverage to the mri_vol2surf command line. Run > mri_vol2surf with --help to get more info > > On 03/05/2015 10:52 AM, Matthieu Vanhoutte wrote: > > Thank you Douglas but I don't understand the solution you propose. >

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
--cortex Best regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France 2015-03-05 17:24 GMT+01:00 Douglas N Greve : > w format is the paint format output from your vol2surf command. We tend &g

Re: [Freesurfer] Projection of CBF maps on fsaverage and smooth

2015-03-05 Thread Matthieu Vanhoutte
previously cached (qcached) and use the "mri_preproc --cache-in" command ? Best regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France 2015-03-05 18:02 GMT+01:00 Douglas N Greve :

Re: [Freesurfer] GLM analysis on CBF maps

2015-03-12 Thread Matthieu Vanhoutte
intercept and the other for slope, but concretely what significative results in both contrasts mean ? Thank you in advance for helping ! Best regards, ----- Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, F

[Freesurfer] [FreeSurfer] mri_glmfit with fractional values in contrast file .mtx

2015-03-16 Thread Matthieu Vanhoutte
regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu

[Freesurfer] [FreeSurfer] Visualize & Compute Overlaps between two significant surface maps

2015-03-16 Thread Matthieu Vanhoutte
these two steps ? Best regards, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard

Re: [Freesurfer] [FreeSurfer] mri_glmfit with fractional values in contrast file .mtx

2015-03-16 Thread Matthieu Vanhoutte
Thank you Douglas. Matthieu Vanhoutte, MSc Research Engineer - Neuroradiology Department Regional University Hospital, Lille, France Le 16 mars 2015 18:17, "Douglas N Greve" a écrit : > you'll need to use .33 > > On 03/16/2015 11:09 AM, Matthieu Vanhoutte

Re: [Freesurfer] [FreeSurfer] Visualize & Compute Overlaps between two significant surface maps

2015-03-16 Thread Matthieu Vanhoutte
Thank you Douglas I will try this. Matthieu Vanhoutte, MSc Research Engineer - Neuroradiology Department Regional University Hospital, Lille, France Le 16 mars 2015 19:13, "Douglas N Greve" a écrit : > > For visualizing the overlap, I would probably create a segmentation in >

[Freesurfer] [FreeSurfer] : Convert asl data from fsaverage (surface) to MNI305 (volume)

2015-03-26 Thread Matthieu Vanhoutte
Dear experts, I have some asl data on fsaverage surface and would like to compute them on MNI305 volume. So I executed the commands below, but when merging left and right hemispheres it seems that the *--fillribbon *option on *MNI305.asl.nii.gz* output data didn't work for right hemisphere : *m

Re: [Freesurfer] [FreeSurfer] : Convert asl data from fsaverage (surface) to MNI305 (volume)

2015-03-31 Thread Matthieu Vanhoutte
d a bug. Try this version > > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/mri_surf2vol > > On 03/26/2015 12:16 PM, Matthieu Vanhoutte wrote: > > Dear experts, > > > > I have some asl data on fsaverage surface and would like to compute > > them on MNI3

Re: [Freesurfer] [FreeSurfer] : Convert asl data from fsaverage (surface) to MNI305 (volume)

2015-03-31 Thread Matthieu Vanhoutte
Hello Douglas, I have downloaded a new license and it successfully runs ! Best regards, Matthieu 2015-03-31 12:39 GMT+02:00 Matthieu Vanhoutte : > Hello Douglas, > > I have download the new version of mri_surf2vol you supplied me, and have > copied it in the FS5.3 /bin instal

[Freesurfer] Clusterwise correction for multiple comparisons : volumic Tmap projected on fsaverage surface

2015-04-13 Thread Matthieu Vanhoutte
Dear experts, I had to make volumic statistical analysis for the need to use BPM toolbox. So, I got in the output of this statistical analysis some volumic Tmaps. As I did before some group analysis according to FStutorial, I would like to apply the same method of Clusterwise Correction on my vol

Re: [Freesurfer] Clusterwise correction for multiple comparisons : volumic Tmap projected on fsaverage surface

2015-04-13 Thread Matthieu Vanhoutte
rwise correction in the volume. How could I do ? Best regards, Matthieu 2015-04-13 16:27 GMT+02:00 Douglas Greve : > If you did the analysis in the volume, then you have to do the > clusterwise correction in the volume. > > > On 4/13/15 6:05 AM, Matthieu Vanhoutte wrote: > > Dear e

Re: [Freesurfer] Clusterwise correction for multiple comparisons : volumic Tmap projected on fsaverage surface

2015-04-13 Thread Matthieu Vanhoutte
the BPM toolbox (what's that?) not give you cluster correction? You > can try using mri_volcluster with the --grf option, but you'll need to know > the FWHM. Afterwards you can map the result to the surface > > > On 4/13/15 10:46 AM, Matthieu Vanhoutte wrote: > > Hello Do

Re: [Freesurfer] Clusterwise correction for multiple comparisons : volumic Tmap projected on fsaverage surface

2015-04-14 Thread Matthieu Vanhoutte
template > space, then run the SPM T1 template through recon-all to get the surfaces > > > > > > > On 04/13/2015 11:09 AM, Matthieu Vanhoutte wrote: > > By the mean of SPM, the Biological Parmatring toolbox can do the FWE > > correction and give me results on a glass

[Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-04-14 Thread Matthieu Vanhoutte
Dear FreeSurfer's experts, For personnal need I use the BPM toolbox (Biological Parametric Mapping) to compute GLM analysis. The outputs of this Toolbox gave me beta maps and Tmaps. However, precedently I used the whole FreeSurfer group analysis tutorial on other datas, including the Clusterwise

Re: [Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-04-14 Thread Matthieu Vanhoutte
ion? You could use mri_volcluster, > but you'll need to know the FWHM of your BPM analysis > doug > > On 4/14/15 12:17 PM, Matthieu Vanhoutte wrote: > > Dear FreeSurfer's experts, > > For personnal need I use the BPM toolbox (Biological Parametric Mapping) > to compute

Re: [Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-04-15 Thread Matthieu Vanhoutte
I guess I don't understand what you are asking for. If BPM outputs a > cluster-corrected volume, then why can't you just map that to the surface > and be done with it? > > > On 4/14/15 6:48 PM, Matthieu Vanhoutte wrote: > > Hello Douglas, > > Indeed BPM does

Re: [Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-04-15 Thread Matthieu Vanhoutte
e out of > BPM, then that is a problem that I cannot help you with (talk to whoever > programmed BPM). > > doug > > > On 4/15/15 3:30 AM, Matthieu Vanhoutte wrote: > > Hello Douglas, > > Sorry if I haven't been clear. I'm trying to explain my need

[Freesurfer] Compute residual FWHM in GLM group analyses

2015-05-07 Thread Matthieu Vanhoutte
Dear experts, I have run GLM group analyses on another software than FreeSurfer for personal needs. I have now beta coefficients and residual datas on fsaverage space. I'd like to use then the clusterwise correction for multiple comparisons provided by FreeSurfer. But I need for that to know the

Re: [Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-05-29 Thread Matthieu Vanhoutte
analysis. If it does not come out of > BPM, then that is a problem that I cannot help you with (talk to whoever > programmed BPM). > > doug > > > On 4/15/15 3:30 AM, Matthieu Vanhoutte wrote: > > Hello Douglas, > > Sorry if I haven't been clear. I'm

Re: [Freesurfer] Clusterwise correction : How to use it on second step in Group Analyses ?

2015-05-29 Thread Matthieu Vanhoutte
t; in the t-value you want, not a -log10(p). Also, don't do the adjustment for > 1-tailed test because then it will interpret the input as -log10(p). > > On 5/29/15 10:46 AM, Matthieu Vanhoutte wrote: > > Dear experts, > > I would like to use the clusterwise correction sp

Re: [Freesurfer] GLM analysis on CBF maps

2015-06-02 Thread Matthieu Vanhoutte
(/Variables Age Gender) ? /Many thanks in advance for helping ! Best regards, Matthieu/ / On 3/12/15 1:30 PM, Matthieu Vanhoutte wrote: Hello, I have run GLM group analyses with Freesurfer tools according DODS model, with six classes ((Male,Female) ; (Control,Left,Right)) and one age variable

[Freesurfer] [FreeSurfer] Multiple overlays on surface

2015-06-05 Thread Matthieu Vanhoutte
Dear FreeSurfer's experts, I would like to visualize on freeview two overlays on fsaverage cortical surface. I have used the code below found on the mailing list : *mri_binarize --i sig1.mgh --min 0.1 --binval 1 --o sig1_th.mghmri_binarize --i sig2.mgh --min 0.1 --binval 2 --o sig2_th.mgh*

Re: [Freesurfer] [FreeSurfer] Multiple overlays on surface

2015-06-05 Thread Matthieu Vanhoutte
I tried it but gave me a black surface. Le 6 juin 2015 00:06, "Douglas N Greve" a écrit : > Try it with 0 0 0 instead of 128 128 128 > > On 06/05/2015 07:44 AM, Matthieu Vanhoutte wrote: > > Dear FreeSurfer's experts, > > > > I would like to visua

Re: [Freesurfer] [FreeSurfer] Multiple overlays on surface

2015-06-08 Thread Matthieu Vanhoutte
/FS_5.3/fsaverage/surf/lh.whiteWriting annot to ./lh.CBF_CT.annot* Best regards, Matthieu 2015-06-06 0:15 GMT+02:00 Douglas N Greve : > what is the terminal output for mris_seg2annot? > > On 06/05/2015 06:12 PM, Matthieu Vanhoutte wrote: > > > > I tried it but gave me a black

[Freesurfer] Error while using "mri_glmfit"

2015-07-28 Thread Matthieu Vanhoutte
Dear Freesurfer's Experts, Please find below an error occuring when I use mri_glmfit : Design matrix -- 1.000 0.000 0.000 0.000 0.000 0.000 9.804 0.000 0.000 0.000 0.000 0.000 -15.576 0.000 0.000 0.000 0.000 0.000; 0.000 0.000 0.000 1.000 0

Re: [Freesurfer] Error while using "mri_glmfit"

2015-08-04 Thread Matthieu Vanhoutte
Hello experts, Could anyone provide me an advice or answer to this problem ? Thanks in advance ! Best regards, Matthieu Le 28 juil. 2015 14:12, "Matthieu Vanhoutte" a écrit : > Dear Freesurfer's Experts, > > Please find below an error occuring when I use mri_gl

Re: [Freesurfer] Error while using "mri_glmfit"

2015-08-04 Thread Matthieu Vanhoutte
Douglas, Please fond attached the fsgd file. Cheers, Matthieu Le 4 août 2015 21:45, "Douglas N Greve" a écrit : > can you send the fsgd file? > > On 08/04/2015 03:42 PM, Matthieu Vanhoutte wrote: > > > > Hello experts, > > > > Could anyone pro

Re: [Freesurfer] Error while using "mri_glmfit"

2015-08-04 Thread Matthieu Vanhoutte
u > can't use that as a covariate if it does not have any variation > > On 08/04/2015 04:10 PM, Matthieu Vanhoutte wrote: > > > > Douglas, > > > > Please fond attached the fsgd file. > > > > Cheers, > > > > Matthieu > > > >

[Freesurfer] Surface-based Cluster Summary Table as created by mri_glmfit-sim

2015-08-19 Thread Matthieu Vanhoutte
Hello Freesurfer's experts, I used the group analysis clusterwise correction with glmfit-sim and I found that "Annot" field in Cluster Summary Table don't always fit well with the corresponding region on "?h.aparc.a2009s.annot" file. How is determined precisely each localization of each cluster

[Freesurfer] Surface-based Interhemispheric Registration : Compare left vs. right patients

2015-08-20 Thread Matthieu Vanhoutte
Dear FS experts, I have shown in mailing list and xhemi commands as explained here, a beginning of a solution to my problem : http://surfer.nmr.mgh.harvard.edu/fswiki/Xhemi However, I didn't understand all the steps needed in may case. I have patients with unilateralized problem on left or right

Re: [Freesurfer] Surface-based Cluster Summary Table as created by mri_glmfit-sim

2015-08-21 Thread Matthieu Vanhoutte
gt; > On 8/19/15 1:25 PM, Matthieu Vanhoutte wrote: > > Hello Freesurfer's experts, > > > > I used the group analysis clusterwise correction with glmfit-sim and I > > found that "Annot" field in Cluster Summary Table don't always fit well > >

Re: [Freesurfer] Surface-based Interhemispheric Registration : Compare left vs. right patients

2015-08-21 Thread Matthieu Vanhoutte
Best regards, Matthieu Le 21 août 2015 19:49, "Douglas Greve" a écrit : > > Sorry, what is the problem? Is sounds like xhemi should be apprpriate for > your application. fsaverage is not symmetric and will lead to biased > results. > > On 8/20/15 9:27 AM, Matt

Re: [Freesurfer] Surface-based Cluster Summary Table as created by mri_glmfit-sim

2015-08-24 Thread Matthieu Vanhoutte
I upload you this day an exemple with number vertex with same title name. Thanks in advance for helping ! Best regards, Matthieu Le 21 août 2015 23:57, "Douglas Greve" a écrit : > Can you upload an example (with vertex numbers)? > > On 8/21/15 3:37 PM, Matthieu Vanhou

[Freesurfer] Error when loading ?h.aparc.annot on fsaverage_sym ?h.pial

2015-08-28 Thread Matthieu Vanhoutte
Dear Freesurfer experts, It seems impossible to load ?h.aparc.annot annotation file on ?h.pial surface of the fsaverage_sym subject. When I try under freeview, it crashes and gives me this error : *Did not find any volume geometry information in the surfacepBDid not fin

Re: [Freesurfer] Error when loading ?h.aparc.annot on fsaverage_sym ?h.pial

2015-08-28 Thread Matthieu Vanhoutte
. Do you have a comman line way to manage to load annotation file under freeview ? Matthieu 2015-08-28 16:42 GMT+02:00 Douglas Greve : > what is your command line? Can you run it without the annotation? > > > On 8/28/15 5:58 AM, Matthieu Vanhoutte wrote: > > Dear Freesurfer exp

Re: [Freesurfer] Error when loading ?h.aparc.annot on fsaverage_sym ?h.pial

2015-08-28 Thread Matthieu Vanhoutte
ck out freeview -help. It lists this type of option > cheers > Bruce > > On Fri, 28 Aug 2015, Matthieu > Vanhoutte wrote: > > > I launched freeview, then added manually lh.pial and rh.pial of > > fsaverage_sym. A this point all is OK. > > > > Then it crashed

Re: [Freesurfer] Error when loading ?h.aparc.annot on fsaverage_sym ?h.pial

2015-08-28 Thread Matthieu Vanhoutte
I can do it. Where could I send you these files ? Best regards, Matthieu 2015-08-28 17:12 GMT+02:00 Ruopeng Wang : > Would it be possible to send us lh.pial and lh.aparc.annot that caused the > crash? > > Best, > Ruopeng > > On Aug 28, 2015, at 10:59 AM, Matthieu Vanhout

[Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-09-29 Thread Matthieu Vanhoutte
Dear experts, I would like to know if it is possible to make a longitudinal study with LME toolbox from volume FA maps registered in a common space ? I don't have T1 images so the recon-all process couldn't be processed. But if I put my 3D FA volume of dim = [nx,ny,nz] in a 1D nx*ny*nz voxels for

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-09-29 Thread Matthieu Vanhoutte
thieu 2015-09-29 15:04 GMT+02:00 Martin Reuter : > Hi Matthieu, > > if all your images are perfectly registered, you can do LME on a > voxel-by-voxel basis, just as if you had hippocampal volume or any other > ROI measure. > > Best, Martin > > > On 09/29/2015 06:46 AM,

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-09-29 Thread Matthieu Vanhoutte
it or lme_mass_fit_vw functions in my mass univariate case ? If yes, how do I have to format my 3D FA volume as input of the LME toolbox ? Best regards, Matthieu - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, F

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-10-01 Thread Matthieu Vanhoutte
the y is a simple vector. I would mask the image > before doing this and only pass the brain voxels (to increase speed and > reduce comparisons). > > Best, Martin > > > On 09/29/2015 10:43 AM, Matthieu Vanhoutte wrote: > > Hi Martin, > > I understand for the mul

[Freesurfer] QA Tools : All in errors for aseg outliers detection

2016-06-14 Thread Matthieu Vanhoutte
Dear FS experts, I tried to run the QA Tools on a subject with the following command: *${QA_TOOLS}/recon_checker -s 207043_M0_2010-10-07 -outputFOF ${SUBJECTS_DIR}/FOF -gen-outputFOF -gen-asegLUT ${SUBJECTS_DIR}/AsegOutliers* But I got all errors concerning the detection of Aseg outliers: *Making

[Freesurfer] Interpretation of QA tools results

2016-06-14 Thread Matthieu Vanhoutte
Dear FS experts, Could you explained me how to interpret results from the QA tools. Please find attached the recon_checker summary log. 1) How to know there is a problem according to results below: *checking subcortical label: Left-Cerebral-Exterior, 0 +/-* *checking subcortical label: Left-Cere

[Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-08-12 Thread Matthieu Vanhoutte
Dear experts, I am in trouble with two ways of computing mean intensity with mri_segstats. First I have used on .annot files with three different labels inside (SegId 1 to 3) : *mri_segstats --annot fsaverage lh cache.th23.pos.sig.ocn.annot --i lh.PET.fsaverage.sm10.mgh --sum lh.pet.sum* which

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-08-16 Thread Matthieu Vanhoutte
Hello FS's experts, Would anyone have an advice for my problem ? Best regards, Matthieu 2016-08-12 12:07 GMT+02:00 Matthieu Vanhoutte : > Dear experts, > > I am in trouble with two ways of computing mean intensity with > mri_segstats. > > First I have used on .annot fil

[Freesurfer] Longitudinal surface analysis of PET data

2016-09-17 Thread Matthieu Vanhoutte
Dear Freesurfer’s experts, I would like to use the longitudinal mixed-effects model for surface PET analysis. Although I could find all the process to follow the longitudinal analysis of cortical thickness, I couldn’t resolve the steps/commands to apply successively to coregistered PET data on

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-09-18 Thread Matthieu Vanhoutte
> on everything should be identical to the thickness analysis. > > So this is really more a question how to get your PET data sampled onto the > surface. If no one else replies, write that into the subject line and repost. > > Best, Martin > > >> On Sep 17, 2016,

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-09-29 Thread Matthieu Vanhoutte
same steps than cortical thickness from cross-sectional to -long subject directories ? If this is the case, which commands should I use to mimic cortical thickness longitudinal data ? Many thanks in advance for helping ! Best regards, Matthieu 2016-09-18 23:02 GMT+02:00 Matthieu Vanhoutte : &

[Freesurfer] PET/MRI registration failed with bbregister or mri_coreg

2016-09-29 Thread Matthieu Vanhoutte
Dear Freesurfer's experts, I would like to register PET image onto T1 anatomical. I used bbregister with the following command and it failed : *bbregister --s SUBJID --init-fsl --t2 --mov PET.nii.gz --reg Pet2T1.register.dof6.dat --lta Pet2T1.register.dof6.lta --init-reg-out Pet2T1.init.register.

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-09-30 Thread Matthieu Vanhoutte
ocess for PET. The idea is that you process the > MRI in a longitudinal way, then sample the PET data onto the surface of > the closest MRI time point. Then proceed in a way similar to the > thickness analysis > > > On 09/29/2016 11:08 AM, Matthieu Vanhoutte wrote: > > Dea

Re: [Freesurfer] PET/MRI registration failed with bbregister or mri_coreg

2016-10-03 Thread Matthieu Vanhoutte
Pet2T1.BS7.register.dof6.mri_coreg.lta --s 207118_M0_2014-01-29 --surfs * *mri_coreg done* Best regards, Matthieu 2016-09-30 21:07 GMT+02:00 Douglas N Greve : > Can you send the mri_coreg terminal output? > > > On 09/29/2016 11:19 AM, Matthieu Vanhoutte wrote: > > Dear Fr

Re: [Freesurfer] PET/MRI registration failed with bbregister or mri_coreg

2016-10-03 Thread Matthieu Vanhoutte
Hi Douglas, I have just sent it to you on Filedrop. Best regards, Matthieu 2016-10-03 17:45 GMT+02:00 Douglas Greve : > Can you tar up the FS anat analysis and BS7_PET.lps.nii.gz and send it to > me on our filedrop? > > On 10/3/16 6:55 AM, Matthieu Vanhoutte wrote: > > Hi D

Re: [Freesurfer] PET/MRI registration failed with bbregister or mri_coreg

2016-10-06 Thread Matthieu Vanhoutte
Hi Douglas, Dis you have time to take a look at ? Best regards, Matthieu Le 3 oct. 2016 6:25 PM, "Matthieu Vanhoutte" a écrit : > Hi Douglas, > > I have just sent it to you on Filedrop. > > Best regards, > Matthieu > > 2016-10-03 17:45 GMT+02:00 Douglas Greve

Re: [Freesurfer] PET/MRI registration failed with bbregister or mri_coreg

2016-10-12 Thread Matthieu Vanhoutte
xel size error). > But it is *much* better to get the voxel sizes right and use 6 dof > > > On 10/06/2016 02:50 PM, Matthieu Vanhoutte wrote: > > > > Hi Douglas, > > > > Dis you have time to take a look at ? > > > > Best regards, > > Mat

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-10 Thread Matthieu Vanhoutte
Dear Freesurfer's experts, Could anyone please explain me the difference I got with command line in below mail ? Best regards, Matthieu 2016-08-12 12:07 GMT+02:00 Matthieu Vanhoutte : > Dear experts, > > I am in trouble with two ways of computing mean intensity with > mri_segs

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-10 Thread Matthieu Vanhoutte
Thank you Douglas ! Le 10 nov. 2016 7:21 PM, "Douglas N Greve" a écrit : > You need to weight by the number of vertices > > n = [27805 2321 552]; > m = [8.8194 10.3661 10.3365]; > sum(n.*m)/sum(n) > > ans = > > 8.9637 > > > On 11/10/201

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-11 Thread Matthieu Vanhoutte
7.6819 1.4396 4.4862 10.9042 6.4180 As my inputs are all surface data could I consider that NVoxels is equal to NVertices and Volume_mm3 is equal to SurfaceArea_mm2 ? Best regards, Matthieu > Le 10 nov. 2016 à 23:18, Matthieu Vanhoutte a > écrit : > > Thank

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-11 Thread Matthieu Vanhoutte
mri_segstats ? Best regards, Matthieu Le 11 nov. 2016 9:21 PM, "Douglas N Greve" a écrit : > NVox is the number of vertices. The Volume_mm3 is not meaningful. Do you > want area? > > > On 11/11/2016 04:53 AM, Matthieu Vanhoutte wrote: > > Dear Douglas, > > > &g

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-11 Thread Matthieu Vanhoutte
gstats --i $SUBJECTS/fsaverage/surf/lh.white.avg.area.mgh --seg lh.sign_clust.bin.mgh --excludeid 0 --sum lh.bin.area.sum --accumulate On 11/11/2016 04:48 PM, Matthieu Vanhoutte wrote: > > Dear Douglas, > > Yes I would like to in order to compute mean of some means. Maybe not > if it i

Re: [Freesurfer] Mean intensity with mri_segstats : different results with .annot or .label

2016-11-11 Thread Matthieu Vanhoutte
Is it better to compute mean to weight by number of vertices or surface area ? Best, Matthieu Le 11 nov. 2016 11:33 PM, "Douglas N Greve" a écrit : > Vertices do not have equal areas and are not equally spaced > > > On 11/11/2016 05:11 PM, Matthieu Vanhoutte wrote: >

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-11-14 Thread Matthieu Vanhoutte
2016-09-30 23:05 GMT+02:00 Douglas N Greve : > Yes > > > On 09/30/2016 05:05 PM, Matthieu Vanhoutte wrote: > > > > Hi Douglas, > > > > Does the surface of the closest MRI time point mean the surface of the > > -long subject time point directory rather t

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-11-14 Thread Matthieu Vanhoutte
to the PET first > > registered onto native space ? In this case, how and where is this > > transformation has been saved ? > > > > Best regards, > > Matthieu > > > > 2016-09-30 23:05 GMT+02:00 Douglas N Greve > <mailto:gr...@nmr.mgh.harvard.edu>>: > >

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-11-14 Thread Matthieu Vanhoutte
Thank you ! Best regards, Matthieu 2016-11-14 17:48 GMT+01:00 Douglas N Greve : > Rigid. > > > On 11/14/2016 11:43 AM, Matthieu Vanhoutte wrote: > > Still using rigid-body registration on --long subject directory ? > > > > Or is affine registration in this case

Re: [Freesurfer] Longitudinal surface analysis of PET data

2016-11-18 Thread Matthieu Vanhoutte
in the long > mri/transforms directory and probably also in the base/mri/transforms dir. > > Best, Martin > > On Nov 14, 2016, at 5:49 PM, Matthieu Vanhoutte < > matthieuvanhou...@gmail.com> wrote: > > Thank you ! > > Best regards, > Matthieu > >

[Freesurfer] Longitudinal stream : LME and limits of model

2016-11-21 Thread Matthieu Vanhoutte
Dear Freesurfer’s experts, I would have some questions regarding the LME model to be used in longitudinal stream: 1) Which are the ratio limits or % of missing timepoints accepted ? (according time, I have less and less subjects time points) 2) Is it possible to include patients that would mis

Re: [Freesurfer] Longitudinal stream : LME and limits of model

2016-11-21 Thread Matthieu Vanhoutte
the model (three time points / subject ; if existing 6 time points for any subject ?) Best regards, Matthieu > > Best, Martin > >> On Nov 21, 2016, at 7:07 PM, Matthieu Vanhoutte > <mailto:matthieuvanhou...@gmail.com>> wrote: >> >> Dear Freesurfer’s expe

Re: [Freesurfer] Longitudinal stream : LME and limits of model

2016-11-22 Thread Matthieu Vanhoutte
Hi Martin, Please see inline below: > Le 22 nov. 2016 à 17:04, Martin Reuter a écrit : > > Hi Matthieu, > (also inline) > >> On Nov 21, 2016, at 10:28 PM, Matthieu Vanhoutte >> mailto:matthieuvanhou...@gmail.com>> wrote: >> >> Hi Martin, >&g

Re: [Freesurfer] Longitudinal stream : LME and limits of model

2016-12-01 Thread Matthieu Vanhoutte
Dear FS's experts, Could you answer me about questions from below inline precedent mail ? Best regards, Matthieu 2016-11-22 21:31 GMT+01:00 Matthieu Vanhoutte : > Hi Martin, > > Please see inline below: > > Le 22 nov. 2016 à 17:04, Martin Reuter a > écrit : > >

[Freesurfer] Tracula error ? set: Variable name must begin with a letter

2013-12-11 Thread Matthieu Vanhoutte
Hello experts, I am running the first pre-processing step in Tracula on FS 5.1 and come across the error: *set: Variable name must begin with a letter* I have attached my dmrirc file. Did I make a mistake in this file? Best regards, Matthieu dmrirc.tutorial Description: Binary data

Re: [Freesurfer] Tracula error ? set: Variable name must begin with a letter

2013-12-11 Thread Matthieu Vanhoutte
rformance and > speed. > > a.y > > > On Wed, 11 Dec 2013, Matthieu Vanhoutte wrote: > > Hello experts, >> >> I am running the first pre-processing >> step in Tracula on FS 5.1 and come across the error: >> >> set: Variable name must begin with

Re: [Freesurfer] Tracula error ? set: Variable name must begin with a letter

2013-12-12 Thread Matthieu Vanhoutte
#x27;s causing the > error. > > > a.y > > On Wed, 11 Dec 2013, Matthieu Vanhoutte wrote: > > Hi Anastasia, >> I have taken this original file in "FSDIR5.1/bin/dmrirc.example" and >> modify >> into "dmrirc.tutorial", so this is meant for

Re: [Freesurfer] Tracula error when running bedpostX (2nd step af trac-all)

2013-12-12 Thread Matthieu Vanhoutte
ead volume /home/matthieu/NAS/matthieu/DTI_Alex/AR28/dmri/data_slice_* *An exception has been thrown* *Failed to read volume /home/matthieu/NAS/matthieu/DTI_Alex/AR28/dmri/data_slice_Trace: read_volume4DROI.* Thanks for helping ! Matthieu 2013/12/12 Matthieu Vanhoutte > Hello exp

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-10-08 Thread Matthieu Vanhoutte
Hello Martin, Could you please find any time to answer me ? Many thanks ! Best regards, Matthieu Le 30 sept. 2015 13:57, "Matthieu Vanhoutte" a écrit : > Hi Martin, > > Thank you for helping ! > > 1) What should I use for the parameter estimation: "mass univaria

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-10-11 Thread Matthieu Vanhoutte
Dear experts, Could anyone please help me ? My group has small size (7 subjects) with non equally spaced different timepoints (from 2 up to 4). Best regards, Matthieu Le 30 sept. 2015 13:57, "Matthieu Vanhoutte" a écrit : > Hi Martin, > > Thank you for helping ! > >

Re: [Freesurfer] LME toolbox for longitudinal FA volume maps ?

2015-10-13 Thread Matthieu Vanhoutte
affect your > results a lot (they severely violate the assumption of gaussian noise) and > can produce spurious effects. > > Best, Martin > > > > On 10/11/2015 04:31 PM, Matthieu Vanhoutte wrote: > > Dear experts, > > Could anyone please help me ? My group

[Freesurfer] Recon-all -bigventricles option : general use or not in Alzheimer cases ?

2015-12-03 Thread Matthieu Vanhoutte
Dear FreeSurfer experts, My question is in the title. I'm working on Alzheimer case where most of the cases have large ventricles. Is it better in general use to apply -bigventricles option on all subjects (for homogeneous calculus or something like that...) or to distinct subtle cases of patients

Re: [Freesurfer] Recon-all -bigventricles option : general use or not in Alzheimer cases ?

2015-12-04 Thread Matthieu Vanhoutte
sults. We have found that most early AD cases work fine > without needing special flags. It's more for late stage AD or hydrocephalus > and such. > > cheers > Bruce > > > > On Thu, 3 Dec 2015, Matthieu > Vanhoutte wrote: > > > Dear FreeSurfer experts, >

[Freesurfer] ERROR: Talairach QA check failed! and ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED***

2015-12-04 Thread Matthieu Vanhoutte
Dear experts, I am confronted with some problem in the "recon-all" of a few subjects concerning Talairach space, but don't know how to manage these. Please find below the recon-all log with errors : # #@# Talairach Failure Detection Fri Dec 4 15:29:38

Re: [Freesurfer] ERROR: Talairach QA check failed! and ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED***

2015-12-08 Thread Matthieu Vanhoutte
Dear FS experts, I got no answer to my question. Could anyone explain me what is the problem and how to solve it ? Best regards, Matthieu 2015-12-04 16:11 GMT+01:00 Matthieu Vanhoutte : > Dear experts, > > I am confronted with some problem in the "recon-all" of a few su

Re: [Freesurfer] Recon-all -bigventricles option : general use or not in Alzheimer cases ?

2015-12-08 Thread Matthieu Vanhoutte
Hi Bruce, I got no answer to my questions below with files provided thanks to FileDrop. Could you tell me if you received these questions and associated files ? Thanks in advance ! Best regards, Matthieu 2015-12-04 15:17 GMT+01:00 Matthieu Vanhoutte : > Hi Bruce, > > Exactly I w

Re: [Freesurfer] ERROR: Talairach QA check failed! and ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED***

2015-12-09 Thread Matthieu Vanhoutte
t; that your input volume has the correct direction cosines (that is, that > what freeview thinks is anterior is actually anterior, etc...) > cheers > Bruce > > > > On Tue, 8 Dec 2015, Matthieu Vanhoutte wrote: > > Dear FS experts, >> >> I got no answer to

Re: [Freesurfer] Recon-all get stucked without error during processing

2015-12-09 Thread Matthieu Vanhoutte
rated an empty > norm.mgz/aseg.auto_noCCseg.mgz the mri_cc code would hang. > > cheers > Bruce > > On Wed, 9 Dec 2015, > Matthieu Vanhoutte wrote: > > > Dear FS epxerts, > > > > I have launched a recon-all process on a subject. Unfortunately, I tried > tw

Re: [Freesurfer] Recon-all get stucked without error during processing

2015-12-09 Thread Matthieu Vanhoutte
norm warped? Actaully, it shouldn't be warped, although it might be > truncated if the skull stripping failed. > > > cheers > Bruce > On Wed, 9 Dec 2015, Matthieu Vanhoutte wrote: > > Hi Bruce, >> >> Indeed norm.mgz isn't empty but doesn't look well

[Freesurfer] Use of PVC PET images (V6) : between versions compatibility and intensity normalisation

2015-12-10 Thread Matthieu Vanhoutte
Dear FS experts, 1) First Is it possible to use the partial volume correction provided in the v6 beta version of FreeSurfer despite the fact that recon-all have been done for all subjects with the v5.3 ? 2) Does this method supply an intensity normalisation for PET images ? Best regards, Matthie

Re: [Freesurfer] Recon-all get stucked without error during processing

2015-12-10 Thread Matthieu Vanhoutte
Hi Bruce, Do you have an idea of how to solve this problem of skull stripping (below) ? Best regards, Matthieu 2015-12-09 16:25 GMT+01:00 Matthieu Vanhoutte : > Hi Bruce, > > In fact T1.mgz is ok, but the skull stripping failed and seemed to have > taken only the jawbone and the ne

Re: [Freesurfer] ERROR: Talairach QA check failed! and ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED***

2015-12-11 Thread Matthieu Vanhoutte
Hi Bruce, Do you have an idea of what to do concerning this problem (below) ? I have re-run with -notal-check and it worked not for all cases Best regards, Matthieu 2015-12-09 15:15 GMT+01:00 Matthieu Vanhoutte : > Hi Bruce, > > I tried to follow the tutorial : > http://freesurfe

Re: [Freesurfer] ERROR: Talairach QA check failed! and ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED***

2015-12-14 Thread Matthieu Vanhoutte
> > On Fri, 11 Dec 2015, Matthieu Vanhoutte wrote: > > Hi Bruce, >> >> Do you have an idea of what to do concerning this problem (below) ? I have >> re-run with -notal-check and it worked not for all cases >> >> Best regards, >> Matthieu >> >> 2015

Re: [Freesurfer] Use of PVC PET images (V6) : between versions compatibility and intensity normalisation

2015-12-15 Thread Matthieu Vanhoutte
Dear experts, Could anyone answer to my questions below ? Thanks ! Best regards, Matthieu 2015-12-10 10:10 GMT+01:00 Matthieu Vanhoutte : > Dear FS experts, > > 1) First Is it possible to use the partial volume correction provided in > the v6 beta version of FreeSurfer despite t

[Freesurfer] Segmentation comparison between FS5.3 and FS6beta

2015-12-15 Thread Matthieu Vanhoutte
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

Re: [Freesurfer] Use of PVC PET images (V6) : between versions compatibility and intensity normalisation

2015-12-15 Thread Matthieu Vanhoutte
Dear Douglas, Please see below : 2015-12-15 18:37 GMT+01:00 Douglas N Greve : > > > On 12/15/2015 04:46 AM, Matthieu Vanhoutte wrote: > > Dear experts, > > > > Could anyone answer to my questions below ? > > > > Thanks ! > > > > Best regar

Re: [Freesurfer] Segmentation comparison between FS5.3 and FS6beta

2015-12-15 Thread Matthieu Vanhoutte
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

Re: [Freesurfer] Segmentation comparison between FS5.3 and FS6beta

2015-12-15 Thread Matthieu Vanhoutte
se 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 >

Re: [Freesurfer] Use of PVC PET images (V6) : between versions compatibility and intensity normalisation

2015-12-15 Thread Matthieu Vanhoutte
the new segmentation that include pons and a few other things > > On 12/15/2015 12:56 PM, Matthieu Vanhoutte wrote: > > Dear Douglas, > > > > Please see below : > > > > 2015-12-15 18:37 GMT+01:00 Douglas N Greve > <mailto:gr...@nmr.mgh.harvard.edu>>:

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