Dear Bruce, Here is my opinion about the better option control points in my case. In control points, I think it is several voxels signed by myself that freesurfer tools will consider these voxels as white matter and freesurfer tools will compare these voxels and surrounding voxels to recognise whether surrounding voxels belong to white matter. I think the thought is excellent. In skull stripping, the brainmask volume will lose part of cerebellum if I lower watershed threshold. If manually erase part of skull, does freesurfer tool will also consider surrounding voxels (just the same as control points, but in this case for erasing skull ) to automatically erase other voxels which is actually belonging to skull regions but I didnot erase them? If it does, that is very nice. Anyway I think combine manually control some points and freesurfer tools automatically segmentation will generate a beautiful result. Thanks. All the best.
2013-12-03 Rujing Zha 发件人：Bruce Fischl <[email protected]> 发送时间：2013-12-03 21:25 主题：Re: [Freesurfer] delete skull part in GM by tkmedit 收件人："Rujing Zha"<[email protected]> 抄送："freesurfer"<[email protected]> Hi Rujing why do you think control points will help in your case, where a tiny bit of skull is grabbed by the pial surface? I think changing the skull stripping or just manually erasing that bit are your best options. cheers Bruce On Tue, 3 Dec 2013, Rujing Zha wrote: > Dear all, > I have read the troubleshooting in the website > http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/ControlPoints_tktools. I > want to know if thereis a similar method to remove skull part in GM? I donot > want to use -gcut and watershed option. I think control point method is > better than -gcut option in my case. > Thanks, > All the best. > > 2013-12-03 > > ____________________________________________________________________________ > Rujing Zha > > 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.
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