Re: [Freesurfer] Cerebellum segmentation pipeline

2022-11-17 Thread Douglas N. Greve
no, we don't have such a pipeline On 11/9/2022 11:39 AM, AJ wrote: External Email - Use Caution Hi, Is there a specific pipeline for segmenting the cerebellum, cortical gray and deep nuclei?  Like the one for hippocampus and thalamus? Best ___

Re: [Freesurfer] Cerebellum Segmentation

2017-09-04 Thread Bruce Fischl
that looks to me like it accurately segmented all the un-partial-volumed white matter in the cerebellum. Are you hoping it would segment the smaller folia as wm? I guess it could, but those voxels all look like they have gm in them too On Mon, 4 Sep 2017, José Gómez-Feria Ferreiro wrote: H

Re: [Freesurfer] Cerebellum Segmentation

2017-09-04 Thread Bruce Fischl
hmmm, not much gray/white contrast in the cerebellum. Can you send me the aseg.presurf.mgz also? On Mon, 4 Sep 2017, José Gómez-Feria Ferreiro wrote: Hello Bruce, Thank you for your email. I understand the issue about distinguishing between grey and white matter. However, I can get a nice seg

Re: [Freesurfer] Cerebellum Segmentation

2017-09-01 Thread Bruce Fischl
HI José the cerebellum scan quality can be hugely variable due to its intrinsic structure (tiny, almost fractal folia) and distance from isocenter. If you upload the subject we will take a look, or send a snapshot. Sometimes if the cerebellum is too dark in the norm.mgz you can add a control p

Re: [Freesurfer] Cerebellum segmentation, auto vs manual reference?

2011-05-13 Thread Tricia Merkley
You might want to take at look at the following article. Bigler ED, Abildskov TJ, Wilde EA, et al. Diffuse damage in pediatric traumatic brain injury: a comparison of automated versus operator-controlled quantification methods. Neuroimage 2010;50:1017-26. Cerebellar GM volumes were similar betw

Re: [Freesurfer] Cerebellum Segmentation

2007-10-26 Thread Bruce Fischl
Hi Pedro, 1) We have released a number of beta versions of the source already, and people are welcome to it if they want it. We're hoping to have an official release by the end of the year or soon afterwards. 2) Cerebellum is hard. I don't think you can really see enough of it at standard ~1

Re: [Freesurfer] cerebellum segmentation

2005-12-09 Thread Bruce Fischl
Hi Lars, yes, probably the aseg would be a better way to do it. Is the vermis only distinguished on MR by it's location or are their signal differences between it and surrounding tissue (forgive my ignorance)? Bruce On Fri, 9 Dec 2005, Lars M. Rimol wrote: Hi Bruce and Satra, Our specific