[Freesurfer] Problems associated segmentation results of hippocampal subfields

2018-08-01 Thread Dev vasu
External Email - Use Caution Dear All, I have a problem with the Freesurfer hippocampal longitudinal segmentation results , when i have done segmentation using following algorithm ( https://github.com/CobraLab/antsRegistration-MAGeT) with no anterior/posterior partitioning (

[Freesurfer] Problems with segmentation

2011-07-25 Thread leonardo kay
Hi freesurfers After checking recon-all -autorecon-all processing, I realized that a part of the duramadre has been not fully removed (please see attached file). Can anyone help me how to solve this please. Best regards. -- Leo Kay. attachment:

Re: [Freesurfer] Problems with segmentation

2011-07-25 Thread Bruce Fischl
Hi Leo if the pial surface is in the right place in those regions you don't have to worry about it. cheers Bruce On Mon, 25 Jul 2011, leonardo kay wrote: Hi freesurfers After checking recon-all -autorecon-all processing, I realized that a part of the duramadre has been not fully removed

Re: [Freesurfer] PROBLEMS WITH SEGMENTATION

2010-04-15 Thread Leonardo Chesi
Hi Bruce, thank a lot for your attention. I'll post to you the DICOM header so you will found all the information. We have a GE, Signa 3.0 T with a phased array coil at 8 channel and I haven't any access to other coil. Follow the DICOM header Format: 'DICOM'

[Freesurfer] PROBLEMS WITH SEGMENTATION

2010-04-14 Thread chesi.leonardo
Hi, I'm Leonardo an italian student of Pisa. I'm writing to you to ask if there's any way to correct this problem: we have a 3.0T machine with a 8 channels head coil to acquire the volumetric image. we have found a big inhomogeneity in the contrast of the image particularly in the frontal

Re: [Freesurfer] PROBLEMS WITH SEGMENTATION

2010-04-14 Thread Bruce Fischl
Hi Leonardo, we need more details about your acquisition. What sequence with what parameters? What type of scanner? Was there any prescan normalization? Which 8 channel coil did you use and do you have access to other coils? cheers Bruce On Wed, 14 Apr 2010 chesi.leona...@alice.it wrote: