Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-13 Thread Bruce Fischl
hmmm, no idea. Can you send me the recon-all.log file for that subject? On Tue, 13 Oct 2009, Angel Wong wrote: > Hi Bruce > > I have downloaded the latest version (v4.5.0) and tried again. But > unfortunately, I cannot reproduce the results same as yours. The new > generated results are similar t

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-13 Thread Angel Wong
Hi Bruce I have downloaded the latest version (v4.5.0) and tried again. But unfortunately, I cannot reproduce the results same as yours. The new generated results are similar to the results generated by the older version. The command I used is recon-all -i -s -sd -all and I viewed the images

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-10 Thread Angel Wong
Hi Nick Thanks for your suggestion. I will look at it in detail later. Angel 2009/10/10 Nick Schmansky > Angel, > > I noticed you have problems with some remaining dura in your images. you > might want to try a new utility that is being tested for inclusion in a > future release. Its from a g

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-10 Thread Nick Schmansky
Angel, I noticed you have problems with some remaining dura in your images. you might want to try a new utility that is being tested for inclusion in a future release. Its from a group in Singapore, and does a good job removing dura. Its called: mri_gcut and can be downloaded for the linux and

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-10 Thread Angel Wong
My version is 4.3.0. I will download the latest version and try again. Thank you. 2009/10/10 Bruce Fischl > I didn't do anything but run recon-all with the latest version. Remind me > what version you were running? > > On Sat, 10 Oct 2009, Angel Wong wrote: > > Hi Bruce >> >> Thank you very mu

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-10 Thread Bruce Fischl
I didn't do anything but run recon-all with the latest version. Remind me what version you were running? On Sat, 10 Oct 2009, Angel Wong wrote: > Hi Bruce > > Thank you very much. The result looks much better than mine. How did you do > that? Please let me know so that I can modify the other data

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-09 Thread Angel Wong
Hi Bruce Thank you very much. The result looks much better than mine. How did you do that? Please let me know so that I can modify the other datasets if I face the same situation again. Cheers Angel 2009/10/10 Bruce Fischl > Hi Angel, > > I'm just about done running the dataset and the results

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-07 Thread Bruce Fischl
I see. Your TR is quite short and your TE relatively long, so this is probably pretty poor CNR between gray and white. If you send me the orig.mgz I'll take a look and see if it's fixable On Thu, 8 Oct 2009, Angel Wong wrote: > Hi Bruce > > Attached please find the parameters for acquiring the

Re: [Freesurfer] Poor grey and white matter segmentation

2009-10-07 Thread Bruce Fischl
eek, that looks pretty bad. Can you tell us what the acquisition parameters are? On Thu, 8 Oct 2009, Angel Wong wrote: > Dear all > > > > Actually I would like to perform automated reconstruction for my T1 image > and then obtain anatomical labels after cortical parcellation. I have done > fully