Hi Koen,

Yes, Thanks. A stupid syntax/typo on my part.

-Wil

|-----Original Message----- |From: Koen Van Leemput [mailto:koen@nmr.mgh.harvard.edu] |Sent: Monday, April 09, 2012 12:35 AM |To: Irwin, William |Cc: freesurfer@nmr.mgh.harvard.edu |Subject: Re: [Freesurfer] Reading/loading posterior_* files from hippocampal |subfield segmentation | |Hi Irwin, | |The command should do exactly as you describe, but it seems to work when I |try it. | |I did notice that the filename you specified |("hippoposterior_right_CA4-DG.mgz.gz") has an extra "hippo" in front - could |you please double-check? | |Thanks, | |Koen | | |On Sat, Apr 7, 2012 at 10:07 PM, Irwin, William WIrwin@memory.ucsf.edu |wrote: |> Hi- |> |> |> |> This is probably a question for Koen, but perhaps others could help me out. |> |> |> |> I want to read into Matlab the 'posterior_*.mgz' files generated by |> the subfield segmentation. I'm not exactly sure the format/content of |> these files, but in addition to any information (e.g., some coordinate |> reference), I'm assuming it contains the posterior probability (0 - |> 255, scaled) for each (sub) voxel for each of the regions/fields. |> |> |> |> I tried the obvious Matlab file (i.e., load_mgh.m), but that results |> in an error (the current Matlab directory contains the files and if I |> include the full path the same error obtains): |> |> |> |>>> [vol M] = load_mgh('hippoposterior_right_CA4-DG.mgz'); |> |> gzip: hippoposterior_right_CA4-DG.mgz.gz: No such file or directory |> |> ERROR: problem reading fname |> |> SWITCH expression must be a scalar or string constant. |> |> |> |> Error in load_mgh (line 156) |> |> switch type |> |> |> |> Given what I know (or think I know) about the procedure by which the |> subfields are labeled, it likely isn't surprising the genearl Matlab |> scripts don't properly deal with the posterior subfield files. |> |> |> |> My objective is to be able to evaluate the distribution of voxels |> values (posterior probabilities) which exist for each of the subfields/regions. |> |> |> |> Thanks, |> |> Wil |> |> |> _______________________________________________ |> 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. |>