Re: [Freesurfer] how to convert the registered file (.lta) into NIfTI format in PETsurfer

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Hi Bruce,

Thank you very much Bruce.

Kate

On Mon, Feb 24, 2020 at 8:50 AM Bruce Fischl fischl@nmr.mgh.harvard.edu wrote:

Hi Kate

the .lta format is for a linear registration (in ascii). YOu can just cat it to see the contents - it is not a PET image (which will be stored in .mgz or .nii). mri_convert or mri_vol2vol can be used to apply the registration and/or change the output format (if you specify file.nii or file.nii.gz it will write in Nifti)

cheers Bruce

On Mon, 24 Feb 2020, Kate Marvel wrote:

...

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Hi Douglas, Is there a way to save the registered PET image in NIfTi format instead

of

...

.lta?

Kate

On Mon, Feb 24, 2020 at 8:26 AM Douglas N. Greve <dgreve@mgh.harvard.edu

wrote: Not sure what you are trying to do. An lta file is a matrix and nifti is a format for storing images.

  On 2/21/2020 7:52 AM, Kate Marvel wrote:

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  Hi All,

How do you convert the registered file (.lta) into NIfTI format in PETsurfer.

Thanks,

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