Hi Joshua
sorry, I haven't found the time to really work on it. I spent a couple of hours and found some problems, but haven't found the time to fix them
Bruce
On Thu, 31 May 2012, Joshua Lee wrote:
Hi Bruce,Is there a flag for this on recon-all? áOr do you
I'm just checking in to see how it turned out with the subcortical
segmentation using the high resolution images I sent.
Best,
Joshua
-
Joshua Lee
Graduate Student
Center for Mind and Brain &
Department of Psychology
University of California, Davis
530.747.3805
On Tue, May 15, 2012 at 5:29 AM, Bruce Fischl <fischl@nmr.mgh.harvard.edu>
wrote:
you need to call mris_make_surfaces directly. It's a bit
complicated as you need to intensity normalize and register the
hires volume to the surfaces first. I have an example script if
anyone is interested, but no one has used it yet but me I don't
think (unless Matt Glasser has gotten his version working, which
on second thought he probably has)
On Mon, 14 May 2012, Michael Waskom wrote:
Hi Bruce,á á áHi Joshua
need to use
mri_make_surfaces directly?
Best,
Michael
On Mon, May 14, 2012 at 2:09 PM, Bruce Fischl
<fischl@nmr.mgh.harvard.edu>
wrote:
á á áyes, we already have upgraded
mris_make_surfaces to take higher
á á áres data
á á áand refine the surfaces with it. Haven't tried
it on the aseg
á á áyet, but if
á á áyou upload a sample dataset I could see how
hard it is.
á á ácheers
á á áBruce
á á áOn Mon, 14 May 2012,
á á áJoshua Lee wrote:
á á á> Dear Freesurfers,
á á á>
á á á> Over the last years, MR imaging technology
hasimproved such
á á áthat sub 1-mm
á á á> isotropic scans can be obtained with good
signal to noise
á á ácharacteristics.
á á á> For example, our lab uses 0.7mm isotropic
structural MR
á á áimages. I understand
á á á> that the Freesurfer pipeline will up-sample
these to 1mm
á á áisotropic, but it
á á á> seems a shame that so much information is
left unused which
á á ácould be used to
á á á> improve the accuracy of sub-cortical and
cortical
á á ásegmentation. My question
á á á> is whether there are any plans at Freesurfer
to change the
á á áreference
á á á> standard resolution from 1mm isotropic, or
provide another
á á ásolution that can
á á á> help researchers make the most of your
technology.
á á á>
á á á> Sincerely,
á á á>
á á á>
á á á> Joshua
á á á> -
á á á> Joshua
á á á>
á á á>
á á á>
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