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Hi Yujing,
Thanks again for your quick response.
For src image, do you mean the file that I used to generate the original register.dat file? For instance, the register.dat file was produced by running dt_recon (using input of dti.nii.gz).
Is this dti.nii.gz for file I should use for correct conversion to reg.lta?
Thank you! M
On Wed, Nov 29, 2023 at 3:40 PM Huang, Yujing YHUANG43@mgh.harvard.edu wrote:
Try to specify –src <> and –trg <>
--src
specify src image geometry (mov volume for TKREG/register.dat)--trg
specify trg image geometry*From:* freesurfer-bounces@nmr.mgh.harvard.edu < freesurfer-bounces@nmr.mgh.harvard.edu> *On Behalf Of *Mirsol Choi *Sent:* Wednesday, November 29, 2023 5:32 PM *To:* Freesurfer support list freesurfer@nmr.mgh.harvard.edu *Subject:* Re: [Freesurfer] Converting register.dat file to reg.lta
External Email - Use Caution *Hi Yujing,
I really appreciate your quick response.
The following is the error I get when I try to perform this:
Mirsols-MacBook-Pro:dtrecon mirsolchoi$ lta_convert --inreg register.dat --outreg reg.lta
7.4.1
--inreg: register.dat input TK REG transform.
--outreg: reg.lta output reg.dat matrix.
INFO: This REGISTER_DAT transform is valid only for volumes between COR types with c_(r,a,s) = 0.
error: corRead(): can't open file /Users/mirsolchoi/Desktop/subjects/sub-001/dtrecon/COR-.info
ERROR readREG: cannot read src MRI
Mirsols-MacBook-Pro:dtrecon mirsolchoi$
Is there an additional file I need to complete this process?
Thank you so much for your time.
Mirsol
On Wed, Nov 29, 2023 at 3:24 PM Huang, Yujing YHUANG43@mgh.harvard.edu wrote:
You can try lta_convert.
Best,
Yujing
*From:* freesurfer-bounces@nmr.mgh.harvard.edu < freesurfer-bounces@nmr.mgh.harvard.edu> *On Behalf Of *Mirsol Choi *Sent:* Wednesday, November 29, 2023 5:19 PM *To:* Freesurfer support list freesurfer@nmr.mgh.harvard.edu *Subject:* [Freesurfer] Converting register.dat file to reg.lta
External Email - Use Caution *Hello there,
I am wondering if there is a way to convert register.dat file produced from dt_recon to reg.lta. I need a reg.lta file that contains registration between the DTI data and processed (recon-all) T1 data.
I have tried to perform bbregister, but the alignment is completely off.
Thank you so much for your time!
Mirsol
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