subject:"\[Freesurfer\] MNI to RAS\?"

Re: [Freesurfer] MNI to RAS conversion

2021-07-20 Thread Tim Schäfer

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That would be 8b on that wiki page. 

Maybe the Yeo Registration fusion approach is also interesting for you, see 
https://secure-web.cisco.com/1Tps5sIQmXOKq2vGteFJtzx_-a_uKAgy51TGaVnqW3NsUEU5hLEKOws2bFttW3j42yveAq5l8XA37iszbjvxrTrWV8GB0ETD6gTwH6eMmXDKeG-uPnHzL2oaUTj1s-As02MMSsLBDQgOquf-QI_kf17OYDMi6LxZ78GLKnf9klYKeXSD_1jBMHaZvwnItZq_PW9dm434DCxhs9ZUGNdJfGpjbg3evNdlEP8qIPXC5pvtDrR48kViZWKvHgvtsgO1nkDGrADtVNNMxB79ySDYK_Q/https%3A%2F%2Fpubmed.ncbi.nlm.nih.gov%2F29770530%2F.
 There exists an implementation in Matlab by the authors of that paper [1], as 
well as versions by others for Python [2] and R [3].

Best,

Tim


[1] 
https://secure-web.cisco.com/1CE41lb5-tX2GgN3JGG2w4qlDb9rE_KFCPBoywjT5Ukz15y4ZcI5lYeu0eJxz8Xz-kW8rfNJ-bycUkhhfgJWiIb6irSrWrZGn84DDqJ1P7w853lmXuHDJ68G9UtDnAeei6liqGABKjYykioBOWYxesBNVd4MPdYKu8XTqCGv621ArtDn-tvxoGA66evuAm4ma1X0t0EevE8_CzATQSZBoT1DlBHzXd-oQW4F-IPYGoGBw2a3pQCTRYwuKFDUZKD4Wll4dC-UHtG8MrdaGfikHIQ/https%3A%2F%2Fgithub.com%2FThomasYeoLab%2FCBIG%2Ftree%2Fmaster%2Fstable_projects%2Fregistration%2FWu2017_RegistrationFusion
[2] 
https://secure-web.cisco.com/1hesb4c_4rFNmfnoHKXOpsOXdEtZPaIqV5jM06c0nkqgJBA9ibvyuyZRlEqwcOl1CM-PiSTWnR9zFz-Xu5i9WyQmthM50hI0KRYnPjAbUsJ1XLuCJHOJCaVHiD5jv50KEQNHCi0qNNiIMaN7L9ZhVJjVsEdmzptyaRP3wMby2XAg3Rrg8i69C3agBoCZnkIQEfJtsQ7mDnPnxpzGbCy25eLe4X7CR3L359uumPUlf6eez7MA9JmSe1F1LOoNrI0YK9-EN_SkMfkommmdauQEcqw/https%3A%2F%2Fgithub.com%2Fdanjgale%2Freg-fusion
[3] 
https://secure-web.cisco.com/1lndwW0TCLS-I5b0j8PkaD-gKFIOZ-g2HSnoi57h7HImZKpxpEZ4L_NesswUYazdCIyA2I-4EnCr37k0a3x2TCUqIURLBsi6Xi6zfXJiuMXCkmLJtzXpeO35ns4mAF4Malb1ZdyDd6xZphRRdF8u63koUeWpM6YmjGw_KcZqtBud7Xy3qfAH4udh3LtDmweqouFqU_8REiXJEECzeVA9UdH-lLHj4IUOTk6lbSPi84yhpA70pshUEZCrEhaMa1qsXv4MUF5uhcIfdWAPETHfOwA/https%3A%2F%2Fgithub.com%2Fdfsp-spirit%2Fregfusionr

> On 07/20/2021 4:19 AM Bronwyn Overs  wrote:
> 
>  
> External Email - Use Caution
> 
> Dear Mailing List, 
> 
> I have a set of MNI coordinates (from SPM2) that I need to visualise relative 
> to the Desikan-Killiany Atlas parcellation. However, I'm unsure how to 
> convert these coordinates so that I can load up Freeview and visualise their 
> location in RAS. I took at look at the 'Co-ordinate Systems' wiki ( [ 
> https://secure-web.cisco.com/1sbzzg5doGPykSwEzV3LinGmIIvWDNkgsNwyHDKOFsZ45-q_53SrNbB7-C2BUJWcLPE5c_8TQCd-vj_zxMaCe8SBaYyvWyomDrijNzNyva47QMf3LynGDxdX3y0UUVa0trXtEqUe2FEKLiQk_UbjkEtJ-t1r8r-pbm4wcpnNmviVcnISFEp8WFr3Q7D6ISHQm63ghamGBKLRSWnMK2EX-StazzqOmNRXaGlJ2KQK4nyRfylwfU6yR3JN_m4STq96JajfTnSCcbfbAxEKXlZkztw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FCoordinateSystems
>  | 
> https://secure-web.cisco.com/1sbzzg5doGPykSwEzV3LinGmIIvWDNkgsNwyHDKOFsZ45-q_53SrNbB7-C2BUJWcLPE5c_8TQCd-vj_zxMaCe8SBaYyvWyomDrijNzNyva47QMf3LynGDxdX3y0UUVa0trXtEqUe2FEKLiQk_UbjkEtJ-t1r8r-pbm4wcpnNmviVcnISFEp8WFr3Q7D6ISHQm63ghamGBKLRSWnMK2EX-StazzqOmNRXaGlJ2KQK4nyRfylwfU6yR3JN_m4STq96JajfTnSCcbfbAxEKXlZkztw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FCoordinateSystems
>  ] ), but was unable to determine how this could be done. The coordinates I 
> need to convert are x = − 31, y = 25, z = − 7 and x = 41, y = 25, z = − 9 . 
> Any assistance you can provide would be much appreciated. 
> 
> 
> 
> Kind regards, 
> 
> 
> 
> 
> 
> Bronwyn Overs 
> 
> 
> Research Assistant 
> 
> 
> 
> Neuroscience Research Australia 
> Margarete Ainsworth Building 
> Barker Street Randwick Sydney NSW 2031 Australia 
> M 0411 308 769 T +61 2 9399 1725 
> 
> 
> [ 
> http://secure-web.cisco.com/1XfLgNltTMcAj2hlB2lDXpneNH0BEKa7I3JWAe0V_YjLyyldtEtKbepLJ52laS0iqDJvC16sqPzRsUsBCUL_IH7Bo2X_WFm4IkYBORS_iuKTCuqI-_2ccpM_cqcm6vEy4DcG0Y6_hDt-QTFiteouybhLPJf-abxc4JnNdUvOqjEWJ8b8FU29-GzlJi5DALiUXCc5NEx6RKomjQKwxNY4h60WzN24vnpo4Qteu4IlbNL_74nORG5WheiMxdTRANhuy8xEu_lzunHCprquq3Jrl5g/http%3A%2F%2Fneura.edu.au%2F
>  | neura.edu.au  ] 
> 
> 
> 
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>  | Twitter ] | [ 
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[Freesurfer] MNI to RAS conversion

2021-07-19 Thread Bronwyn Overs

External Email - Use Caution

Dear Mailing List, 

I have a set of MNI coordinates (from SPM2) that I need to visualise relative 
to the Desikan-Killiany Atlas parcellation. However, I'm unsure how to convert 
these coordinates so that I can load up Freeview and visualise their location 
in RAS. I took at look at the 'Co-ordinate Systems' wiki ( [ 
https://secure-web.cisco.com/1sbzzg5doGPykSwEzV3LinGmIIvWDNkgsNwyHDKOFsZ45-q_53SrNbB7-C2BUJWcLPE5c_8TQCd-vj_zxMaCe8SBaYyvWyomDrijNzNyva47QMf3LynGDxdX3y0UUVa0trXtEqUe2FEKLiQk_UbjkEtJ-t1r8r-pbm4wcpnNmviVcnISFEp8WFr3Q7D6ISHQm63ghamGBKLRSWnMK2EX-StazzqOmNRXaGlJ2KQK4nyRfylwfU6yR3JN_m4STq96JajfTnSCcbfbAxEKXlZkztw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FCoordinateSystems
 | 
https://secure-web.cisco.com/1sbzzg5doGPykSwEzV3LinGmIIvWDNkgsNwyHDKOFsZ45-q_53SrNbB7-C2BUJWcLPE5c_8TQCd-vj_zxMaCe8SBaYyvWyomDrijNzNyva47QMf3LynGDxdX3y0UUVa0trXtEqUe2FEKLiQk_UbjkEtJ-t1r8r-pbm4wcpnNmviVcnISFEp8WFr3Q7D6ISHQm63ghamGBKLRSWnMK2EX-StazzqOmNRXaGlJ2KQK4nyRfylwfU6yR3JN_m4STq96JajfTnSCcbfbAxEKXlZkztw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FCoordinateSystems
 ] ), but was unable to determine how this could be done. The coordinates I 
need to convert are x = − 31, y = 25, z = − 7 and x = 41, y = 25, z = − 9 . Any 
assistance you can provide would be much appreciated. 



Kind regards, 





Bronwyn Overs 


Research Assistant 



Neuroscience Research Australia 
Margarete Ainsworth Building 
Barker Street Randwick Sydney NSW 2031 Australia 
M 0411 308 769 T +61 2 9399 1725 


[ 
http://secure-web.cisco.com/1XfLgNltTMcAj2hlB2lDXpneNH0BEKa7I3JWAe0V_YjLyyldtEtKbepLJ52laS0iqDJvC16sqPzRsUsBCUL_IH7Bo2X_WFm4IkYBORS_iuKTCuqI-_2ccpM_cqcm6vEy4DcG0Y6_hDt-QTFiteouybhLPJf-abxc4JnNdUvOqjEWJ8b8FU29-GzlJi5DALiUXCc5NEx6RKomjQKwxNY4h60WzN24vnpo4Qteu4IlbNL_74nORG5WheiMxdTRANhuy8xEu_lzunHCprquq3Jrl5g/http%3A%2F%2Fneura.edu.au%2F
 | neura.edu.au  ] 



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 | Twitter ] | [ 
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Re: [Freesurfer] MNI to RAS?

2015-01-28 Thread Douglas N Greve

Depends on what you mean by easy:). Check out this web page

http://surfer.nmr.mgh.harvard.edu/fswiki/CoordinateSystems

On 01/27/2015 03:27 PM, Chu, Catherine,M.D. wrote:
>
> Hi,
>
> Is there an easy way to convert MNI coordinates to Freesurfer RAS 
> coordinate space?
>
> Thanks!
>
> Cat
>
>
>
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gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
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[Freesurfer] MNI to RAS?

2015-01-27 Thread Chu, Catherine,M.D.

Hi,



Is there an easy way to convert MNI coordinates to Freesurfer RAS coordinate 
space?



Thanks!

Cat
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Re: [Freesurfer] MNI to RAS

2012-07-23 Thread Bruce Fischl

Why isn't it square? Did you add a 4th row of [0 0 0 1]?

On Jul 23, 2012, at 5:28 PM, Jared Deck  wrote:

> Hi Doug,
> 
> I am trying to convert MNI to RAS.  I know the formula to convert from RAS to 
> MNI is:
> MNI305RAS = TalXFM*Norig*inv(Torig)*[tkrR tkrA tkrS 1]'
> In theory, I should just be able to just invert this, but I am having 
> difficulties because TalXFM is a non-square matrix and therefore not 
> invertible.  In addition, I tried using the moore-penrose pseudoinverse of 
> the matrix but the values obtained do not match those in tkmedit. Do you have 
> a formula for going from MNI to RAS or any advice about how would go about 
> doing this?
> 
> Thank you,
> Jared
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[Freesurfer] MNI to RAS

2012-07-23 Thread Jared Deck

Hi Doug,

I am trying to convert MNI to RAS.  I know the formula to convert from RAS to 
MNI is:
MNI305RAS = TalXFM*Norig*inv(Torig)*[tkrR tkrA tkrS 1]'
In theory, I should just be able to just invert this, but I am having 
difficulties because TalXFM is a non-square matrix and therefore not 
invertible.  In addition, I tried using the moore-penrose pseudoinverse of the 
matrix but the values obtained do not match those in tkmedit. Do you have a 
formula for going from MNI to RAS or any advice about how would go about doing 
this?

Thank you,
Jared___
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Re: [Freesurfer] MNI to RAS surface coordinates

2012-06-12 Thread Douglas N Greve

yes

On 06/12/2012 08:17 AM, Yolanda Vives wrote:
> Thank you for your answer. Just one more question, is the "fsaverage" 
> already in MNI305 space? In this case, the RAS coordinates from 
> tksurfer/QDEC are already MNI?
>
> Regards,
> Yolanda
>
> 2012/6/7 Douglas N Greve  >
>
> Here are instructions to go from a surface RAS to the mni305 RAS, so
> just invert them.
> doug
>
>
> I have an RAS point on the surface (tkrR tkrA tkrS) ("Vertex RAS" from
> tksurfer) and want to compute the MNI305 RAS that corresponds to this
> point:
>
> MNI305RAS = TalXFM*Norig*inv(Torig)*[tkrR tkrA tkrS 1]'
>   TalXFM: subject/orig/transforms/talairach.xfm
>   Norig: mri_info --vox2ras orig.mgz
>   Torig: mri_info --vox2ras-tkr orig.mgz
>
> Test: click on a point in tksurfer. Use "Vertex RAS" to compute
> MNI305RAS. Compare MNI305RAS to "Vertex MNI Talairach". Also, hit Save
> Point in tksurfer. In tkmedit, Goto Saved Point, compare MNI305RAS to
> "MNI Coordinates". Note: you may need to use the "Volume RAS" from
> tkmedit in the computation above to get an exact match.
>
>
>
> On 06/06/2012 09:43 AM, Yolanda Vives wrote:
> > Dear Freesurfer experts,
> >
> > How can I transform from MNI coordinates to RAS surface coordinates?
> >
> > Regards,
> > Yolanda
> >
> >
> > 2012/6/5 Yolanda Vives mailto:yvi...@pic.es>
> >>
> >
> > Dear Freesurfer experts,
> >
> > I have performed a VBM analysis with SPM, using some VOIs. Now I
> > would like to compare the volumetric results obtained with SPM
> > with those of cortical thickness obtained with Freesurfer in the
> > same VOIs (approximately).
> >
> > For this purpose, I would like to transform the MNI
> coordinates of
> > my SPM VOIs into RAS surface coordinates of fsaverage, to draw a
> > label of more or less the same size of the SPM VOI and to
> propage
> > it to all the subjects in order to obtain an average cortical
> > thickness of this label (VOI) for each subject.
> >
> > 1) Would this procedure be correct?
> >
> > 2) How could I transform my MNI coordinates into RAS surface
> > coordinates?
> >
> > Thank you in advance,
> > Yolanda
> >
> >
> >
> >
> > --
> > Yolanda Vives
> > PIC (Port d'Informació Científica)
> > Campus UAB, Edificio D
> > E-08193 Bellaterra, Barcelona
> > Telf. +34 93 586 8232 
> > http://www.pic.es
> > Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html
> >
> >
> > ___
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>
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu 
> Phone Number: 617-724-2358 
> Fax: 617-726-7422 
>
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> 
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> addressed. If you believe this e-mail was sent to you in error and
> the e-mail
> contains patient information, please contact the Partners
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> dispose of the e-mail.
>
>
>
>
> -- 
> Yolanda Vives
> PIC (Port d'Informació Científica)
> Campus UAB, Edificio D
> E-08193 Bellaterra, Barcelona
> Telf. +34 93 586 8232
> http://www.pic.es
> Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

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Re: [Freesurfer] MNI to RAS surface coordinates

2012-06-12 Thread Yolanda Vives

Thank you for your answer. Just one more question, is the "fsaverage"
already in MNI305 space? In this case, the RAS coordinates from
tksurfer/QDEC are already MNI?

Regards,
Yolanda

2012/6/7 Douglas N Greve 

> Here are instructions to go from a surface RAS to the mni305 RAS, so
> just invert them.
> doug
>
>
> I have an RAS point on the surface (tkrR tkrA tkrS) ("Vertex RAS" from
> tksurfer) and want to compute the MNI305 RAS that corresponds to this
> point:
>
> MNI305RAS = TalXFM*Norig*inv(Torig)*[tkrR tkrA tkrS 1]'
>   TalXFM: subject/orig/transforms/talairach.xfm
>   Norig: mri_info --vox2ras orig.mgz
>   Torig: mri_info --vox2ras-tkr orig.mgz
>
> Test: click on a point in tksurfer. Use "Vertex RAS" to compute
> MNI305RAS. Compare MNI305RAS to "Vertex MNI Talairach". Also, hit Save
> Point in tksurfer. In tkmedit, Goto Saved Point, compare MNI305RAS to
> "MNI Coordinates". Note: you may need to use the "Volume RAS" from
> tkmedit in the computation above to get an exact match.
>
>
>
> On 06/06/2012 09:43 AM, Yolanda Vives wrote:
> > Dear Freesurfer experts,
> >
> > How can I transform from MNI coordinates to RAS surface coordinates?
> >
> > Regards,
> > Yolanda
> >
> >
> > 2012/6/5 Yolanda Vives mailto:yvi...@pic.es>>
> >
> > Dear Freesurfer experts,
> >
> > I have performed a VBM analysis with SPM, using some VOIs. Now I
> > would like to compare the volumetric results obtained with SPM
> > with those of cortical thickness obtained with Freesurfer in the
> > same VOIs (approximately).
> >
> > For this purpose, I would like to transform the MNI coordinates of
> > my SPM VOIs into RAS surface coordinates of fsaverage, to draw a
> > label of more or less the same size of the SPM VOI and to propage
> > it to all the subjects in order to obtain an average cortical
> > thickness of this label (VOI) for each subject.
> >
> > 1) Would this procedure be correct?
> >
> > 2) How could I transform my MNI coordinates into RAS surface
> > coordinates?
> >
> > Thank you in advance,
> > Yolanda
> >
> >
> >
> >
> > --
> > Yolanda Vives
> > PIC (Port d'Informació Científica)
> > Campus UAB, Edificio D
> > E-08193 Bellaterra, Barcelona
> > Telf. +34 93 586 8232
> > http://www.pic.es
> > Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html
> >
> >
> > ___
> > Freesurfer mailing list
> > Freesurfer@nmr.mgh.harvard.edu
> > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu
> Phone Number: 617-724-2358
> Fax: 617-726-7422
>
> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
> FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>
> ___
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
>
> The information in this e-mail is intended only for the person to whom it
> is
> addressed. If you believe this e-mail was sent to you in error and the
> e-mail
> contains patient information, please contact the Partners Compliance
> HelpLine at
> http://www.partners.org/complianceline . If the e-mail was sent to you in
> error
> but does not contain patient information, please contact the sender and
> properly
> dispose of the e-mail.
>
>


-- 
Yolanda Vives
PIC (Port d'Informació Científica)
Campus UAB, Edificio D
E-08193 Bellaterra, Barcelona
Telf. +34 93 586 8232
http://www.pic.es
Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html
___
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https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer


The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.

Re: [Freesurfer] MNI to RAS surface coordinates

2012-06-07 Thread Douglas N Greve

Here are instructions to go from a surface RAS to the mni305 RAS, so 
just invert them.
doug


I have an RAS point on the surface (tkrR tkrA tkrS) ("Vertex RAS" from
tksurfer) and want to compute the MNI305 RAS that corresponds to this
point:

MNI305RAS = TalXFM*Norig*inv(Torig)*[tkrR tkrA tkrS 1]'
   TalXFM: subject/orig/transforms/talairach.xfm
   Norig: mri_info --vox2ras orig.mgz
   Torig: mri_info --vox2ras-tkr orig.mgz

Test: click on a point in tksurfer. Use "Vertex RAS" to compute
MNI305RAS. Compare MNI305RAS to "Vertex MNI Talairach". Also, hit Save
Point in tksurfer. In tkmedit, Goto Saved Point, compare MNI305RAS to
"MNI Coordinates". Note: you may need to use the "Volume RAS" from
tkmedit in the computation above to get an exact match.



On 06/06/2012 09:43 AM, Yolanda Vives wrote:
> Dear Freesurfer experts,
>
> How can I transform from MNI coordinates to RAS surface coordinates?
>
> Regards,
> Yolanda
>
>
> 2012/6/5 Yolanda Vives mailto:yvi...@pic.es>>
>
> Dear Freesurfer experts,
>
> I have performed a VBM analysis with SPM, using some VOIs. Now I
> would like to compare the volumetric results obtained with SPM
> with those of cortical thickness obtained with Freesurfer in the
> same VOIs (approximately).
>
> For this purpose, I would like to transform the MNI coordinates of
> my SPM VOIs into RAS surface coordinates of fsaverage, to draw a
> label of more or less the same size of the SPM VOI and to propage
> it to all the subjects in order to obtain an average cortical
> thickness of this label (VOI) for each subject.
>
> 1) Would this procedure be correct?
>
> 2) How could I transform my MNI coordinates into RAS surface
> coordinates?
>
> Thank you in advance,
> Yolanda
>
>
>
>
> -- 
> Yolanda Vives
> PIC (Port d'Informació Científica)
> Campus UAB, Edificio D
> E-08193 Bellaterra, Barcelona
> Telf. +34 93 586 8232
> http://www.pic.es
> Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html
>
>
> ___
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html

___
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The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.

Re: [Freesurfer] MNI to RAS surface coordinates

2012-06-06 Thread Yolanda Vives

Dear Freesurfer experts,

How can I transform from MNI coordinates to RAS surface coordinates?

Regards,
Yolanda


2012/6/5 Yolanda Vives 

> Dear Freesurfer experts,
>
> I have performed a VBM analysis with SPM, using some VOIs. Now I would
> like to compare the volumetric results obtained with SPM with those of
> cortical thickness obtained with Freesurfer in the same VOIs
> (approximately).
>
> For this purpose, I would like to transform the MNI coordinates of my SPM
> VOIs into RAS surface coordinates of fsaverage, to draw a label of more or
> less the same size of the SPM VOI and to propage it to all the subjects in
> order to obtain an average cortical thickness of this label (VOI) for each
> subject.
>
> 1) Would this procedure be correct?
>
> 2) How could I transform my MNI coordinates into RAS surface coordinates?
>
> Thank you in advance,
> Yolanda
>



-- 
Yolanda Vives
PIC (Port d'Informació Científica)
Campus UAB, Edificio D
E-08193 Bellaterra, Barcelona
Telf. +34 93 586 8232
http://www.pic.es
Avis - Aviso - Legal Notice: http://www.ifae.es/legal.html
___
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer


The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.

[Freesurfer] MNI to RAS surface coordinates

2012-06-05 Thread Yolanda Vives

Dear Freesurfer experts,

I have performed a VBM analysis with SPM, using some VOIs. Now I would like
to compare the volumetric results obtained with SPM with those of cortical
thickness obtained with Freesurfer in the same VOIs (approximately).

For this purpose, I would like to transform the MNI coordinates of my SPM
VOIs into RAS surface coordinates of fsaverage, to draw a label of more or
less the same size of the SPM VOI and to propage it to all the subjects in
order to obtain an average cortical thickness of this label (VOI) for each
subject.

1) Would this procedure be correct?

2) How could I transform my MNI coordinates into RAS surface coordinates?

Thank you in advance,
Yolanda
___
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Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer


The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.

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Re: [Freesurfer] MNI to RAS surface coordinates

Re: [Freesurfer] MNI to RAS surface coordinates

[Freesurfer] MNI to RAS surface coordinates

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