Search found 17 matches

by Nomad
Tue Feb 24, 2009 3:43 am
Forum: BrainVISA
Topic: FETAL BRAIN RECONSTRUCT
Replies: 5
Views: 4541

FETAL BRAIN RECONSTRUCT

Hi,
I wonder whether BV can reconstruct fetal brain.The process steps go well until "Brain Mask Segmentation".The result seems to be unbelievable.
Thanks a lot.

Nomad
by Nomad
Mon Dec 15, 2008 7:16 am
Forum: BrainVISA
Topic: Question of hemi_mesh creation.
Replies: 5
Views: 4269

Re: Question of hemi_mesh creation.

Thank you for your kindly reply. And I will do it as you said.

Nomad
by Nomad
Wed Dec 10, 2008 7:21 am
Forum: BrainVISA
Topic: Question of hemi_mesh creation.
Replies: 5
Views: 4269

Question of hemi_mesh creation.

Hi BV experts: Theses days, I have cerrected the hemi_cortex manually. And I want to create the Hemi_mesh based on the new hemi_cortex (the auto one did not have a good view). As in the "Ana Get Opened Hemi Surface" step, the "hemi_cortex" is only a output data, which may be conv...
by Nomad
Sun Nov 16, 2008 7:40 am
Forum: BrainVISA
Topic: 2 Problems for Help.
Replies: 3
Views: 3454

Re: 2 Problems for Help.

Hi Mangin
Thank you for your reply very much. The reason maybe is a short TR/TE time (6.6/4.8). And there is a poor contrast between GM and WM. :shock:

And what the second question? Is there any warp or shape change of the image when normalized to the Tarailach Space?
:?:
Nomad
by Nomad
Wed Nov 12, 2008 1:21 pm
Forum: BrainVISA
Topic: 2 Problems for Help.
Replies: 3
Views: 3454

2 Problems for Help.

Hi experts of BV: I have 2 big problems for help 1. As shown in the picture, how to deal with the poor sulci on the occipital and temporal lobes? (I have tried SPM for the RF correction, but it didnot work) 2. When "spatial normalized" into the Talairach Space, is there any warp (shape cha...
by Nomad
Mon Sep 08, 2008 10:17 am
Forum: BrainVISA
Topic: Problem in correcting brain mask
Replies: 4
Views: 3495

Re: Problem in correcting brain mask

Yes, this topic has been answered a number of time in the forum. This procedure is not very stable... Do a search on split . The following words in your search query were ignored because they are too common words: split. You must specify at least one word to search for. Each word must consist of at...
by Nomad
Fri Sep 05, 2008 12:25 pm
Forum: BrainVISA
Topic: Problem in correcting brain mask
Replies: 4
Views: 3495

Problem in correcting brain mask

Hi, Something goes wrong when i split brain mask after correcting brain mask. The error message is : in Vip Split Brain 5 RuntimeError: System command exited with non null value : 111 neuroProcesses.py (1641) in _processExecution: result = process.execution( self ) VipSplitBrain.py (107) in executio...
by Nomad
Sun Aug 17, 2008 3:43 pm
Forum: BrainVISA
Topic: What is the difference?
Replies: 7
Views: 5748

What is the difference?

:?: Hi everyone:
I want to know What is the difference between "Ana split brain from brain mask " and "split brain mask "? Thank you! :shock:
by Nomad
Sun Aug 10, 2008 2:43 am
Forum: BrainVISA
Topic: How to compile and install Mesa on Fedora6
Replies: 2
Views: 2486

Re: How to compile and install Mesa on Fedora6

Hum, you'd better address your question to the Mesa communauty... I have not built Mesa myself for a number of years, using compiled distributions and nvidia drivers/openGL. But isn't there a configure step before running make ? Denis But there is not a configure file and i cant find forum in http:...
by Nomad
Sat Aug 09, 2008 4:13 am
Forum: BrainVISA
Topic: How to compile and install Mesa on Fedora6
Replies: 2
Views: 2486

How to compile and install Mesa on Fedora6

I have downloaded Mesa7.0.3 from http://www.mesa3d.org .But something goes wrong while compiling.
When i input "make linux-x86".the error message is following as the attachment.
mesa.PNG
mesa.PNG (45.64 KiB) Viewed 2310 times
Much thanks to all of you!
Nomad
by Nomad
Sun Aug 03, 2008 3:06 am
Forum: BrainVISA
Topic: Help! How to correct mask?
Replies: 1
Views: 2586

Help! How to correct mask?

Hi BV experts, I am a new user and dealing with the mask correcting, and I do not know what's wrong with the mask (as the figs bellow). And I want to know: 1. Why no green area displayed when I click the pen butten? :shock: 2. What is the black line? :cry: Thank you very much and best wishes.
by Nomad
Sat Aug 02, 2008 1:17 pm
Forum: BrainVISA
Topic: How to correct brain mask
Replies: 1
Views: 1970

How to correct brain mask

Hi, I have some troubles to do the correction based on BV v3.0.2. I do the procedure under "Ana Brain Mask from T1 MRI 2". I pressed the eye button after "brain_mask" and the pen button, but the two results seem to be quite different.I think the two should be similar and the corr...
by Nomad
Sun May 04, 2008 8:37 am
Forum: BrainVISA
Topic: How to extract and measure a gyrus?
Replies: 0
Views: 20987

How to extract and measure a gyrus?

Hi, I am doing cortial reconstruction. In the past few weeks, i hava done something including "Ana Brain Mask from T1 MRI" "Ana Split Brain from Brain Mask"(but the choice for Use_template is false,because the true choice went wrong,anything unsuitable :?: ) and the other options...
by Nomad
Thu Apr 10, 2008 1:44 am
Forum: BrainVISA
Topic: reconstrucion main steps
Replies: 4
Views: 3728

Re: reconstrucion main steps

Jean-Francois Mangin wrote:Check first the importation works, clisk on the eye in fron of your raw MRI to visualize it
with Anatomist.
I think i have imported the data
2.jpg
2.jpg (55.7 KiB) Viewed 3538 times