Re: [Freesurfer] White matter normalization of FLAIR images

2022-09-23 Thread Fischl, Bruce R.,PHD
Hi JamesB there is T2/FLAIR normalization in recon-all if you process it through there. You can look for "nonmax_suppress" if you want to find the command line cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of James Brown Sent: Friday, Se

Re: [Freesurfer] White matter normalization of FLAIR images

2022-09-23 Thread Fischl, Bruce R.,PHD
I think you need to add something like -FLAIRpial or -T2pial so it uses it (in which case it will first normalize it), but hopefully someone else can confirm cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of James Brown Sent: Friday, Septe

Re: [Freesurfer] issue with mris_ca_label and mrisReadTriangleFile

2022-09-27 Thread Fischl, Bruce R.,PHD
Hi Caspar Usually that means the lh.smoothwm and the lh.sphere.reg don't have the same topology (number of vertices,edges and triangles), frequently caused by one of them having been recreated and the other not. Run mris_info on them and see if they match Cheers Bruce From: freesurfer-boun...

Re: [Freesurfer] White matter normalization of FLAIR images

2022-09-27 Thread Fischl, Bruce R.,PHD
r just white matter normalization within a mask. Thank you very much for all that you do. James it looks like you are using v6. In v6, the flair might not have been normalized  On 9/23/2022 3:53 PM, Fischl, Bruce R.,PHD wrote: I think you need to add something like -FLAIRpial or -T2pial so it uses i

Re: [Freesurfer] Freesurfer: fs_install_mcr: Unzip command not found

2022-09-30 Thread Fischl, Bruce R.,PHD
Have you tried changing the window levels (contrast and brightness)? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Wighton, Paul Sent: Friday, September 30, 2022 10:17 AM To: Freesurfer support list Subject: Re: [Freesurfer] Freesurfer: fs_install_mcr: Unzip command not found Hi Ju

Re: [Freesurfer] somatosensory cortex (S1)

2022-10-16 Thread Fischl, Bruce R.,PHD
Hi Eszter We provide estimates of architectonic boundaries like 1, 3a, 3b, 2 etc… as label maps in each subject’s label dir. They are either unthresholded (and have the estimated probability of being in that area for all vertices with p>0) or thresholded so that the label has the average surfac

Re: [Freesurfer] mris_ca_label -l can not generate lh.BN_Atlas.annot

2022-10-22 Thread Fischl, Bruce R.,PHD
It looks like you have a space between “/usr/local/freesurfer/subjects/1268” and “/label/lh.BN_Atlas.annot” From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ??? Sent: Saturday, October 22, 2022 11:06 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] mris_ca_label -l can not

Re: [Freesurfer] mri_segment

2022-10-24 Thread Fischl, Bruce R.,PHD
Hi James It really depends on your sequence. Some sequences, like mprage, trade off SNR for CNR, so the distance between gray and white is larger, but the noise in each is also larger. In that case white might end up brighter because of the noise. There are also inflow effects where you get non

Re: [Freesurfer] mri_segment

2022-10-24 Thread Fischl, Bruce R.,PHD
What was your mri_cnr command line? I’m not really sure I understand all your questions. It might be helpful if you told us what you are trying to achieve, as the different algorithms you reference below do somewhat different things From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Jam

Re: [Freesurfer] mri_segment

2022-10-24 Thread Fischl, Bruce R.,PHD
I would check your results to see if it is doing the right thing. I also think that the input to mri_segment is not the norm.mgz, but rather the brain.mgz, which is more aggressively normalized From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of James Brown Sent: Monday, October 24, 2022

Re: [Freesurfer] help

2022-10-25 Thread Fischl, Bruce R.,PHD
Hi Sarah Sorry, I’m not sure we have much to add. We don’t flatten much any longer, and the cuts are kind of ad hoc – the one around the medial wall to get rid of non-cortical stuff, then the radial ones from there to remove particularly the curvature from the 3 poles. Mostly we just follow wha

Re: [Freesurfer] About recon-all -i option

2022-10-31 Thread Fischl, Bruce R.,PHD
Yes, that should be fine -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Ryosuke Hayashi Sent: Monday, October 31, 2022 6:31 PM To: freesurfer Subject: [Freesurfer] About recon-all -i option External Email - Use Caution Dear All, Hi. I hav

Re: [Freesurfer] Freesurfer labels vertices and not faces?

2022-11-01 Thread Fischl, Bruce R.,PHD
Hi Daniel Can you clarify what you mean? The surfaces don't have any values/vertex (e.g. scalar fields over the surface like thickness). Those are typically stored in separate files. What are you trying to display on the surface vertices? Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On

Re: [Freesurfer] Freesurfer labels vertices and not faces?

2022-11-01 Thread Fischl, Bruce R.,PHD
reesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> Sent: Tuesday, November 1, 2022 11:49:23 AM To: Freesurfer support list Subject: [EXTERNAL] Re: [Freesurfer] Freesurfer labels vertices and not

Re: [Freesurfer] Calculating Distortion in mris_flatten()

2022-11-08 Thread Fischl, Bruce R.,PHD
Hi Sarah It is something like: 100 * (mean(abs(distance error)) / mean(original_distances)) Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Sarah Lavelle Sent: Tuesday, November 8, 2022 12:20 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Calculating Disto

Re: [Freesurfer] How to set original orientation for converted images

2022-11-10 Thread Fischl, Bruce R.,PHD
Hi Haiyun We reslice everything to coronal as part of the recon process. If you want to map it back to the original orientation I think something like this should work: mri_convert -rt nearest -rl rawavg.mgz aseg.mgz aseg.original_orientation.mgz cheers Bruce From: freesurfer-boun...@nmr.mgh.

Re: [Freesurfer] aseg.mgz not created

2022-11-15 Thread Fischl, Bruce R.,PHD
Hi Sarah I think you didn't give it any flags other than the subject and input. You need to specify -all if you want it to run all the steps it knows how to Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of O'Dor, Sarah,PhD Sent: Tuesday, November 15, 2022 9:31 AM To: fre

Re: [Freesurfer] Pial surfaces include cerebellum - unable to fix with manual edits

2022-11-15 Thread Fischl, Bruce R.,PHD
Hi Tommi If you point us at the location of the data (and we have access) we will take a look Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Raij, Tommi A. Sent: Monday, November 14, 2022 11:14 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Pial surfaces i

Re: [Freesurfer] Unsupported Datatype

2022-11-16 Thread Fischl, Bruce R.,PHD
Hi Rachel Is RGB the correct type for the file? What kind of data do you expect it to be? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Rachel Wagner Sent: Wednesday, November 16, 2022 1:00 PM To: Freesurfer support list Subject: Re: [Freesurfer] Unsupported Datatype

Re: [Freesurfer] FreeView cannot open any images

2022-12-01 Thread Fischl, Bruce R.,PHD
Hi Greta Make sure you are in the "3D" view (the icon that looks like a little head next to the coronal/axial/sagittal ones) Cheers Bruce -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Greta Tuckute Sent: Thursday, December 1, 2022 6:19 PM To: freesurfer@

Re: [Freesurfer] FreeSurfer equivalent to fslsplit?

2022-12-06 Thread Fischl, Bruce R.,PHD
I think mri_convert can take a frame number. Something like: mri_convert -nth 0 image.nii frame0.mgz mri_convert -nth 1 image.nii frame1.mgz . . . Although that means you have to know how many frames are in the original file From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Wighton, Pa

Re: [Freesurfer] cannot create directory freesurfer

2022-12-18 Thread Fischl, Bruce R.,PHD
Hi Nazanin What is your recon-all command line? Usually people create a SUBJECTS_DIR somewhere other than in the freesurfer install directory. You can do this either by setting the env variable or specifying -sd on the command line Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu

Re: [Freesurfer] What if FS fails

2023-01-28 Thread Fischl, Bruce R.,PHD
Hi Rakshathi I don’t think this is the right recon-all.log. It seems to have finished with no error: Started at Sun Jan 15 04:38:40 IST 2023 Ended at Sun Jan 15 06:00:56 IST 2023 #@#%# recon-all-run-time-hours 1.371 Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Ra

Re: [Freesurfer] qcache morphometry measures are empty

2023-02-06 Thread Fischl, Bruce R.,PHD
Hi Steven Why wouldn’t they be the same size? The qcache files have all been mapped to an fs average icosahedral space, so they all have the same number of vertices (and hence the same size) Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Steven Meisler Sent: Monday, F

Re: [Freesurfer] mri_robust_register --minsize

2023-02-23 Thread Fischl, Bruce R.,PHD
Hi Sebastien I believe that Doug has had success using bbregister for this. You might give it a try Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Reuter, Martin,Ph.D. Sent: Thursday, February 23, 2023 4:19 AM To: Freesurfer support list Subject: Re: [Freesurfer] mri_

Re: [Freesurfer] Apply a nonlinear transform to a surface.

2023-03-04 Thread Fischl, Bruce R.,PHD
You can try mris_transform, although you might need to convert the nonlinear warp to our format. I’m pretty sure others have done this, so maybe someone else can comment? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Aaron Tanenbaum Sent: Friday, March 3, 2023 9:59 PM

Re: [Freesurfer] List of vertices in defined region

2023-03-05 Thread Fischl, Bruce R.,PHD
Hi Sarah You can use read_annotation.m to load an annotation into matlab, which should give you the info you are after. Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Sarah Lavelle Sent: Sunday, March 5, 2023 12:09 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesu

Re: [Freesurfer] WM edits, prevent surface from cutting sulcus

2023-03-15 Thread Fischl, Bruce R.,PHD
Hi Chris It sounds like a topological defect, but hard to say without seeing it. Can you post some images? Or follow Doug’s instructions about visualizing the defects and see if there is one in the sulcus you mention below? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf

Re: [Freesurfer] WM edits, prevent surface from cutting sulcus

2023-03-15 Thread Fischl, Bruce R.,PHD
No worries. I’m glad it worked out Bruce On Mar 15, 2023, at 10:52 PM, Chris Adamson wrote:  External Email - Use Caution Hi Bruce, It was a topological defect. I found it after looking harder. My bad. Hi Chris It sounds like a topological defect, but hard to say without seeing it

Re: [Freesurfer] CT and mri_synthsr

2023-03-16 Thread Fischl, Bruce R.,PHD
I think it usually means it ran out of memory From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Gonzalo Rojas Costa Sent: Thursday, March 16, 2023 2:01 PM To: Iglesias Gonzalez, Juan E. Cc: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] CT and mri_synthsr External Email

Re: [Freesurfer] FreeSurfer Segmentation Fault

2023-03-21 Thread Fischl, Bruce R.,PHD
Hi Rob Can you run mri_info on that volume? And just ls -l to see if it is a reasonable size? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Bartlett, Rob Sent: Tuesday, March 21, 2023 6:50 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] FreeSurfer Segmenta

Re: [Freesurfer] FreeSurfer Segmentation Fault

2023-03-21 Thread Fischl, Bruce R.,PHD
> On Behalf Of Fischl, Bruce R.,PHD Sent: Tuesday, March 21, 2023 1:58 PM To: Freesurfer support list mailto:freesurfer@nmr.mgh.harvard.edu>> Subject: Re: [Freesurfer] FreeSurfer Segmentation Fault CAUTION: This email originated from outside of the organisation. Do not click links or ope

Re: [Freesurfer] FreeSurfer Segmentation Fault

2023-03-21 Thread Fischl, Bruce R.,PHD
Oh, sorry, should have read to the end of my inbox before responding. What does ls -l show for that file? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Bartlett, Rob Sent: Tuesday, March 21, 2023 12:18 PM To: Freesurfer support list Subject: Re: [Freesurfer] FreeSurfer Segmentatio

Re: [Freesurfer] Is it possible to add additional T1 scans to improve surfaces/segmentation

2023-03-31 Thread Fischl, Bruce R.,PHD
That is what mri_synthsr does (which is part of the FS distribution) Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Glasser, Matt Sent: Friday, March 31, 2023 7:48 AM To: Freesurfer support list Subject: Re: [Freesurfer] Is it possible to add additional T1 scans to impr

Re: [Freesurfer] synthstrip error

2023-04-05 Thread Fischl, Bruce R.,PHD
Hmmm, trying mri_convert file.nii.gz file.mgz Then give file.mgz to synthstrip. I thought it would work with nifty, but maybe not? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Salil Soman Sent: Wednesday, April 5, 2023 8:11 PM To: free surfer Subject: [Freesurfer] synthstrip erro

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-07 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Shahin What is your command line? mris_flatten does some random sampling of distances since the whole N^2 distance matrix is too big. You can remove the randomness by either specifying -norand or using a specific seed like -seed 1234. That said,

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-07 Thread Fischl, Bruce R.,PHD
From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> Sent: Friday, April 7, 2023 5:11:49 PM To: Freesurfer support

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-08 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Can you try running it with -distances 20 20 added to the command line? From: Nasr, Shahin,Ph.D. Sent: Saturday, April 8, 2023 8:59 AM To: Freesurfer support list Cc: Fischl, Bruce R.,PHD Subject: Re: mris_flatten Version 6 vs. 7 Dear Bruce

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-08 Thread Fischl, Bruce R.,PHD
p.s. adding -norand won’t fix the failed flattening, it will just make it repeatable. In my experience (admittedly a long time ago now), adding more distances and longer ranges fixes this problem From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Fischl, Bruce R.,PHD Sent: Saturday

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-08 Thread Fischl, Bruce R.,PHD
neighbor) From: Nasr, Shahin,Ph.D. Sent: Saturday, April 8, 2023 11:47 AM To: Fischl, Bruce R.,PHD ; Freesurfer support list Subject: Re: mris_flatten Version 6 vs. 7 Hi Bruce, Adding -distance 20 20 definitely helped (see the attached file). Even though, the outcome is still different than

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-08 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Moving the thread back to the list as I don’t know, but maybe someone else does? From: Nasr, Shahin,Ph.D. Sent: Saturday, April 8, 2023 4:10 PM To: Fischl, Bruce R.,PHD Subject: Re: mris_flatten Version 6 vs. 7 it doesn't exist in the cut, and

Re: [Freesurfer] mris_flatten Version 6 vs. 7

2023-04-11 Thread Fischl, Bruce R.,PHD
a path, the path would curve around instead of cutting straight across. From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvar

[Freesurfer] Fwd: questions about mri_normalize

2023-04-28 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi John 1. We empirically set it at 2, but that was a long time ago, but the optimal number is dependent on a lot of things, mostly image CNR. If the gray/white contrast is good enough you can run it for more, but you have to make sure that the

Re: [Freesurfer] mris_register options

2023-05-08 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Jan If you create a family template you will only be able to compare within family, unless you also align the templates I guess? -nonorm will disable z-normalization of curv and sulc. We typically start with a single subject atlas, do a nonlinear

Re: [Freesurfer] recon-all for GM quantification

2023-05-12 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Sofia Unfortunately that doesn't really work as the most time-intensive steps are required. We are working on replacing some of these with deep-learning equivalents, but it will be some months before that is available. Sorry Bruce From: freesurf

Re: [Freesurfer] Issue with running recon-all

2023-05-15 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Hengameh By far the most common reason for this is running out of disk space. Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of hmarz...@student.ubc.ca Sent: Monday, May 15, 2023 1:02 PM To: freesurfer@nmr.mgh.harvard.edu S

Re: [Freesurfer] Issue with running recon-all

2023-05-23 Thread Fischl, Bruce R.,PHD
again for your assistance. Best regards, Hengameh From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvar

Re: [Freesurfer] Issue with running recon-all

2023-05-24 Thread Fischl, Bruce R.,PHD
: fread failed" error. Regards Hengameh From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>

Re: [Freesurfer] Inquiry about mris_euler_number command

2023-05-24 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Jenna It is pretty straightforward. Just give it a surface as input (see below) Cheers Bruce mris_euler_number Help NAME mris_euler_number SYNOPSIS mr

Re: [Freesurfer] Error: MRInormFindControlPoints: could not find enough control points

2023-06-14 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Yang The input to recon-all should be a T1-weighted MRI volume. I think what you are giving it instead is a label volume Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Man YANG Sent: Wednesday, June 14, 2023 6:52 AM To:

Re: [Freesurfer] aseg stats meaning

2023-06-22 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Yes, they are the intensity statistics of different structures in the norm.mgz volume Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Michael Mc Laughlin Sent: Thursday, June 22, 2023 6:10 AM To: Freesurfer support list Subj

[Freesurfer] MICCAI Workshop on Machine Learning in Clinical NeuroImaging: Paper Submissions & Talent Award

2023-06-23 Thread Fischl, Bruce R.,PHD
External Email - Use Caution FYI Subject: MICCAI Workshop on Machine Learning in Clinical NeuroImaging: Paper Submissions & Talent Award Dear Researchers! We are excited to announce that the paper submissions for the #MICCAI Workshop on Machine Learning in Clinical NeuroImagin

Re: [Freesurfer] Freesurfer Digest, Vol 232, Issue 12 - data not displayed

2023-06-23 Thread Fischl, Bruce R.,PHD
pecific than "Re: Contents of Freesurfer digest..." Today's Topics: 1. Re: Size of overlap between a label and a volume (John Anderson) 2. Freeview: data not displayed (Haley O Higginbotham) 3. Re: Freevie

Re: [Freesurfer] removal

2023-06-27 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Pavlina Every FreeSurfer list email comes with a header that has this link: https://secure-web.cisco.com/14Jga6NsMm6yzyJonL9J1u2FbtbRKLO2bgfBWh3q0JJ-HebL9PoPZKxoDbm5IGqbD8QmRFQ4jgococz-6q1aXzxtZOOHMSlC5n36_MClIJzpBie4_x2Fxm0IDm50NUsZHEWdpizn7IrGTm1

Re: [Freesurfer] Longitudinal structural analysis in FreeSurfer ???

2023-06-27 Thread Fischl, Bruce R.,PHD
External Email - Use Caution you can also use our longitudinal stream that improves sensitivity and reliability. Run it after you have run the cross-sectional - it will improve your results considerably cheers Bruce From: freesurfer-boun...@nmr.m

Re: [Freesurfer] Longitudinal structural analysis in FreeSurfer ???

2023-06-27 Thread Fischl, Bruce R.,PHD
do I find out how to run the longitudinal stream, please? Best wishes, Hamied From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> On Behalf Of Fischl, Bruce R.,PHD Sent: Tuesday, June 27, 202

Re: [Freesurfer] Preserving original T1w space coordinate

2023-07-11 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Parsa The parcellations are done on the cortical surface which exists in the individual subject "conformed" space. What do you mean by "original T1w space coordinates"? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of par

Re: [Freesurfer] How to segment the visual cortex?

2023-07-13 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Rosie Sorry but I don’t think we localize V3d yet Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ??? Sent: Thursday, July 13, 2023 4:02 AM To: freesurfer Subject: [Freesurfer] How to segment the visual cortex? External

Re: [Freesurfer] Basal Ganglia in brain.mgz denoted as WM

2023-07-13 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Amir The brain.mgz isn’t used for subcortical segmentation so this may not matter. Check the aseg.mgz over the norm.mgz and see if it retrains the contrast and has the correct boundaries. The intensity normalization in the brain.mgz is much more

Re: [Freesurfer] recon-all-clinical out of memory error

2023-07-13 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Can you try it on a computer with more ram? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Matthew Lynch Sent: Thursday, July 13, 2023 1:55 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] recon-all-clinical out of memory error

Re: [Freesurfer] Can I use Freeview (tksurferfv) Tools on surface?

2023-07-14 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Andy The zigzag comes because the lines have to connect vertices on the surface. How big is your rectangle? If it is pretty big I would think the zigzags would be relatively small (although still high-frequency since the vertices are about 1mm apa

Re: [Freesurfer] Ask for help

2023-07-16 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Jiayue At the bottom of every email to the list there is a link to listinfo management that should let you unsubscribe yourself Cheers Bruce -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ??? Sent: Sunday,

Re: [Freesurfer] [FreeSurfer] recon fix the surfaces of the brain

2023-08-03 Thread Fischl, Bruce R.,PHD
From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> Sent: 03 August 2023 11:23:42 To: Freesurfer su

Re: [Freesurfer] Is there an inverse function to mris_flatten?

2023-08-04 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Phillip The flattening preserves vertex correspondence between the flat maps and all our surfaces (for that hemisphere). So if you can map data onto the flattened patches, you should be able to look up the vertex index and use that to go from fl

Re: [Freesurfer] Bad skull stripping

2023-08-06 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Cain Have you tried using mri_synthstrip instead? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of DS Sent: Sunday, August 6, 2023 3:34 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Bad skull stripping

Re: [Freesurfer] Bad skull stripping

2023-08-06 Thread Fischl, Bruce R.,PHD
Cain At 2023-08-07 05:22:33, "Fischl, Bruce R.,PHD" mailto:bfis...@mgh.harvard.edu>> wrote: External Email - Use Caution Hi Cain Have you tried using mri_synthstrip instead? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-bou

Re: [Freesurfer] Use freeview to visualize white and pial surface

2023-08-07 Thread Fischl, Bruce R.,PHD
External Email - Use Caution What is your freeview command line/ From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of DS Sent: Monday, August 7, 2023 2:51 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Use freeview to visualize white and pial surface

Re: [Freesurfer] Use freeview to visualize white and pial surface

2023-08-07 Thread Fischl, Bruce R.,PHD
of Freeview. But, both approaches do not work. The first image it loads just flashed, and then it's closed when it started to load the second image. But, I tried some images from another subject, then it works. Best, Cain At 2023-08-08 03:13:52, "Fischl, Bruce R.,PHD&quo

Re: [Freesurfer] Use freeview to visualize white and pial surface

2023-08-07 Thread Fischl, Bruce R.,PHD
mages larger than the image that it fails to load, it also works. So, I guess it might be related to other issues. PS. the current free RAM is 6GB. Best, Cain At 2023-08-08 03:49:29, "Fischl, Bruce R.,PHD" mailto:bfis...@mgh.harvard.edu>> wrote: External Email - Use

Re: [Freesurfer] can we make 3D printing from freesurfer

2023-08-15 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Don’t you want a surface to print, not a volume? What would printing the aseg/aparc mean? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Magang Visa Sent: Tuesday, August 15, 2023 8:20 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Frees

Re: [Freesurfer] surface label generation from vertex?

2023-08-23 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Jason There are morphological tools built into freeview, so you could select a single vertex, make a label from it, then dilate it as many times as you want. That will of course give you the graph distance not the actual surface geodesic, but mig

Re: [Freesurfer] Import Matlab SynthSeg labels to FS

2023-08-26 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Haley I'm not sure I understand how you ran SynthSeg in matlab, but we supply .m files for reading/writing volumes (MRIread and MRIwrite). You probably want to read in the existing aseg to get the header, then replace the data with the segmentati

Re: [Freesurfer] mri_watershed Error while running recon-all

2023-08-27 Thread Fischl, Bruce R.,PHD
External Email - Use Caution This happens in one case or in all 292? You should follow the processing stream backwards to see where things first went wrong. It could be the skull stripping, but it might also be one of the inputs to it is already incorrect like the T1.mgz or tra

Re: [Freesurfer] Copy geometry (fov position) from one header to another while keeping voxel and matrix sizes unchanged

2023-09-08 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Hi Sebastien Do you know why they don't align in RAS coords? That seems a bit worrisome to me. I think you can try what you are suggesting easily enough in matlab or python. Read both in, replace the header in one with the header of the other then s

Re: [Freesurfer] Discrepancy in vertex counts between resampled and recon-all generated annot files

2023-09-10 Thread Fischl, Bruce R.,PHD
External Email - Use Caution Actually there is a whole Bayesian segmentation on the surface procedure that generates the individual subject parcellation so it definitely won’t be the same as just mapping fsaverage Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On B

Re: [Freesurfer] Discrepancy in vertex counts between resampled and recon-all generated annot files

2023-09-10 Thread Fischl, Bruce R.,PHD
ntion! Best, Leo Em dom., 10 de set. de 2023 às 14:19, Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> escreveu: External Email - Use Caution Actually there is a whole Bayesian segmentation on the surface procedure that generates the individual subject parcellation so it definite

Re: [Freesurfer] Discrepancy in vertex counts between resampled and recon-all generated annot files

2023-09-10 Thread Fischl, Bruce R.,PHD
to the subjects' native surfaces. This should ensure that the parcellations for all subjects are generated in the same way, right? Many thanks again! Best, Leo Em dom., 10 de set. de 2023 às 15:55, Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> escreveu: External

Re: [Freesurfer] The Corpus Callosum parcellation

2023-12-14 Thread Fischl, Bruce R.,PHD
Hi Mudathir No particular rationale. It is configurable if you want more/less Cheers Bruce -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of FMU Sent: Thursday, December 14, 2023 5:25 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] The Corpus Call

Re: [Freesurfer] freesurfer output stats

2024-01-01 Thread Fischl, Bruce R.,PHD
Hi Yunus The ones with “pial” in them are from the pial surface for things like curvature and surface area, the ones without are from the white surface. The rest of the name indicates which cortical parcellation the statistics are summarized in (e.g. the lh.aparc.pial.stats contains statistics

Re: [Freesurfer] conversion of D-K atlas

2024-01-09 Thread Fischl, Bruce R.,PHD
Hi Anna Parcellation is more than just format conversion - you need to map it onto the details of an individual subject's anatomy. In addition, the DKT atlas is only cortical. If you want subcortical regions in addition you should run recon-all as it will produce both. Cheers Bruce From: Arkh

Re: [Freesurfer] [WARNING: ATTACHMENT UNSCANNED]FreeSurfer Error

2024-01-09 Thread Fischl, Bruce R.,PHD
Do you acquire any other scans, like an mprage, in the same session? If so, the easiest thing to do would be to push that through our recon-all pipeline, then register your MPF images to either the mprage or to surfaces using bbregister and you can transfer whatever parcellations/segmentations y

Re: [Freesurfer] Registration of MPF to FLASH 3D image

2024-01-11 Thread Fischl, Bruce R.,PHD
A T1-weighted FLASH should work. When you say “it did not work” what do you mean? Can you give us some details? Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ERNEST KISSI Sent: Thursday, January 11, 2024 3:54 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer]

Re: [Freesurfer] conversion of D-K atlas

2024-01-19 Thread Fischl, Bruce R.,PHD
time series should be pretty straightforward if that is what you want (although Doug will know the commands better than I do) Cheers Bruce From: Arkhipova Anna, MUDr. Sent: Friday, January 19, 2024 10:08 AM To: Fischl, Bruce R.,PHD ; Freesurfer@nmr.mgh.harvard.edu; fischl Cc: phlus...@up

Re: [Freesurfer] MRIread and RAS orientation

2024-01-23 Thread Fischl, Bruce R.,PHD
I agree with Eugenio - it doesn't do any resampling. Just reads in the data as is Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Huang, Yujing Sent: Tuesday, January 23, 2024 8:49 AM To: Freesurfer support list Subject: Re: [Freesurfer] MRIread and RAS orientation I'm

Re: [Freesurfer] MRIread and RAS orientation

2024-01-23 Thread Fischl, Bruce R.,PHD
with MRIread, regardless of the orientation? --- Thank you all again! Best, Panos From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl, Bruce R.,PHD

Re: [Freesurfer] Freesurfer Intensity representation

2024-01-24 Thread Fischl, Bruce R.,PHD
It is whatever volume you gave as input to recon-all. If you tell us which statistics you want to regenerate for another volume we can tell you know what commands to run. cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ERNEST KISSI Sent: Wednesday, January 24, 2024 9:05

Re: [Freesurfer] Extra Large Defect T1

2024-01-25 Thread Fischl, Bruce R.,PHD
Hi Abeoseh You need to take a look at the output and see what is causing the large defect. It is usually something like a big piece of skull left around. Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Flemister, Abeoseh B. Sent: Thursday, January 25, 2024 10:33 AM To:

Re: [Freesurfer] Intensity Representation

2024-01-25 Thread Fischl, Bruce R.,PHD
Hi Ernest Take a look at mri_segstats. I think it should do what you want (and it has an extensive help with examples, thanks to Doug) Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ERNEST KISSI Sent: Thursday, January 25, 2024 11:31 AM To: Freesurfer support list Sub

Re: [Freesurfer] conversion of D-K atlas

2024-01-29 Thread Fischl, Bruce R.,PHD
d the command I copied in the last email, but we are not sure if it was the right one, because we see the name Talairah (see screenshot, on the right bottom). I hope my explanation makes sense to you. Best regards, Anna ____ From: Fischl, Bruce R.,PHD mailto:bfis...@

Re: [Freesurfer] Euler number calculation from number of holes

2024-02-01 Thread Fischl, Bruce R.,PHD
Hi Melissa mris_euler_number writes out a bunch of stuff, including the Euler number: mris_euler_number ~/links/subjects/bruce.dev/surf/lh.orig.nofix euler # = v-e+f = 2g-2: 154526 - 463668 + 309112 = -30 --> 16 holes F =2V-4: 309112 != 309052-4 (-64) 2E=3F:9273

Re: [Freesurfer] calculation of sulcal depth

2024-02-06 Thread Fischl, Bruce R.,PHD
Hi Linn The text you cite is how we measure it. It is the signed distance each points moves to get from the white to the inflated surface, where outwards movement is positive (along the surface normal direction) and inwards distance is negative. Cheers Bruce From: freesurfer-boun...@nmr.mgh.ha

Re: [Freesurfer] Tissue Segmentation

2024-02-12 Thread Fischl, Bruce R.,PHD
You can try mri_compute_volume_fractions USAGE: mri_compute_volume_fractions --o outstem : output will be outstem.{cortex,subcort_gm,wm,csf}.mgz --reg regfile : can be LTA or reg.dat (if reg.dat, then need template volume) --regheader subject . . . Which should output a multi-frame MG

Re: [Freesurfer] Grey Matter Intensities

2024-02-21 Thread Fischl, Bruce R.,PHD
Can you clarify what you mean by “measure the intensities for the grey matter regions”? You could for example compute the mean gray matter intensity within each cortical parcel and each subcortical structure. Is that what you want? From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of ERNE

Re: [Freesurfer] Grey Matter Intensities

2024-02-21 Thread Fischl, Bruce R.,PHD
Of ERNEST KISSI Sent: Wednesday, February 21, 2024 11:14 AM To: Freesurfer support list Subject: Re: [Freesurfer] Grey Matter Intensities External Email - Use Caution Yes, please That's exactly what I mean. On Wed, Feb 21, 2024, 6:44 PM Fischl, Bruce R.,PHD mailto

Re: [Freesurfer] Grey Matter Intensities

2024-02-21 Thread Fischl, Bruce R.,PHD
gray matter ratio : lh.w-g.pct and rh.w-g.pct and I have a file for the white matter so I think I may be able to create a code to calculate the gray matter. On Wed, Feb 21, 2024 at 7:21 PM Fischl, Bruce R.,PHD mailto:bfis...@mgh.harvard.edu>> wrote: I think that is exactly one of the outp

Re: [Freesurfer] Citing the bert dataset

2024-03-04 Thread Fischl, Bruce R.,PHD
I guess if nothing else you can cite the 2012 FreeSurfer paper From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Shounak Nandi Sent: Monday, March 4, 2024 2:50 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Citing the bert dataset External Email - Use Caution Hi,

Re: [Freesurfer] Recon-all command produces only 001.mgz file in the mri/orig directory

2024-03-17 Thread Fischl, Bruce R.,PHD
What was your recon-all command line? You need to give it a directive (like -all), otherwise it will just create a subject directory tree and put the 001.mgz in the orig dir Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Naama Zur Sent: Sunday, March 17, 2024 5:13 PM T

Re: [Freesurfer] Recon-all stuck at topology fix

2024-04-10 Thread Fischl, Bruce R.,PHD
Can you post some pictures? The norm.mgz, the wm.mgz, the lh.orig.nofix, the aseg.mgz, that kind of thing? Something is badly wrong…. Bruce On Apr 10, 2024, at 7:05 PM, Bhole, Salil wrote:  External Email - Use Caution Hello, I have tried to process this MRI a few times now and it a

Re: [Freesurfer] Recon-all stuck at topology fix

2024-04-11 Thread Fischl, Bruce R.,PHD
issue, however, the same issue persisted. Thank you for your help! Best, Salil From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of Fischl,

Re: [Freesurfer] surface-based filtering

2024-04-11 Thread Fischl, Bruce R.,PHD
Yes, we support surface-based smoothing. Check out the help for mri_surf2surf Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Jiaen Liu Sent: Thursday, April 11, 2024 2:14 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] surface-based filtering Exter

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