Hi Aziz,

make sure $FREESURFER_HOME/matlab is in your matlab path.

cheers
Bruce
On Mon, 12 Sep 2016, Aziz Nanthaamornphong wrote:


Which the version of Matlab has a 'MRIread' function? I got this error
message from my installed Matlab (v. 8.4.0). 
"Undefined function 'MRIread' for input arguments of type 'char'." 

Best Regards,
Aziz.

On Mon, Sep 5, 2016 at 6:46 AM, Bruce Fischl <fis...@nmr.mgh.harvard.edu>
wrote:
      yup, or mri_Info called form the command line. If you use
      MRIread on the aseg.mgz you can extract e.g. the left
      hippocampus using matlab via:


      mri = MRIread('aseg.mgz');
      find(mri.vol == 17);
      then compute the ras coords of those indices using ind2sub

      cheers
      Bruce

      On Sun, 4 Sep 2016, Ruyuan Zhang wrote:


            Hi, Aziz

                 You can use MRIread function to read in a
            volume (i.e. brainmask.mgz).
            You will get a structure, which contains a field
            called ras2vox.

            cheers

            ruyuan

            On 9/4/16 6:23 PM, Aziz Nanthaamornphong wrote:
                  Hi,
            For example, I want to know the list of x, y, z
            coordinates of a left
            hippocampus volume. 

            As you mentioned "ras2vox" matrices, hoe can I see
            or get these
            matrices?

            Thank you.
            Aziz

            On Monday, 5 September 2016, Bruce Fischl
            <fis...@nmr.mgh.harvard.edu>
            wrote:
                  Hi Aziz

                  can you elaborate? What coordinates do you
            want? What are
                  you trying to do with them? The .mgz format
            contains
                  ras2vox matrices that let you go from voxel
            indices to RAS
                  coordinates and such.


                  cheers
                  Bruce


                  On Sun, 4 Sep 2016, Aziz Nanthaamornphong
            wrote:

                        Dear Freesurfer experts,
                        How can we get the coordinates (X, Y, Z)
            of a
                        particular volume? I couldn't
                        find any functions or command to do
            that. 

                        Thank you in advance.

                        Aziz.




            --

            Aziz Nanthaamornphong, Ph.D.,
            Chair of Master of Science Program in Information
            Technology
            Department of ICT
            Faculty of Technology and Environment
            Prince of Songkla University, Phuket Campus
            +66 7627 6716 (v)
            http://research.te.psu.ac.th/aziz




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--

Aziz Nanthaamornphong, Ph.D.,
Chair of Master of Science Program in Information Technology
Department of ICT
Faculty of Technology and Environment
Prince of Songkla University, Phuket Campus
+66 7627 6716 (v)
http://research.te.psu.ac.th/aziz


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