Search found 28 matches

by tulu
Sun Apr 08, 2012 3:34 pm
Forum: BrainVISA
Topic: create cortical thickness texture
Replies: 0
Views: 19538

create cortical thickness texture

Dear BV experts,
sorry to re-post this issue. I use BV4.2.1 under win 7 and run the create cortical thickness texture process. I get the error message figure.
I attach the log file and error figure. Could someone help me how to solve it ?
sincerely yours
JLH
by tulu
Mon Mar 19, 2012 11:05 am
Forum: BrainVISA
Topic: brainvisa morphology extension
Replies: 7
Views: 6846

Re: brainvisa morphology extension

Dear BV experts,
I use BV4.2.1 under win 7 and run the create cortical thickness texture process. I get the error message figure.
I attach the log file and could someone help me how to solve it ?
sincerely yours
JLH
by tulu
Wed Feb 29, 2012 2:44 pm
Forum: BrainVISA
Topic: brainvisa morphology extension
Replies: 7
Views: 6846

Re: brainvisa morphology extension

Dear Dr. Dominique Geffroy,
thanks and I will. by the way, is there any process could calculate the GM thickness map like freesurfer under BrainVisa ?
thanks help
JLH
by tulu
Wed Feb 29, 2012 12:03 pm
Forum: BrainVISA
Topic: brainvisa morphology extension
Replies: 7
Views: 6846

Re: brainvisa morphology extension

it is BrainVisa Morphology extensions release posted by Peter Kochunov. it can be download from NITRC web site for latest update. a short description: An extension projects providing computational tools for performing regional morphological measurements to assess groupwise differences and track morp...
by tulu
Mon Feb 27, 2012 11:04 am
Forum: BrainVISA
Topic: brainvisa morphology extension
Replies: 7
Views: 6846

brainvisa morphology extension

Dear Brainvisa experts, I use the BV4.2.1 version and download morphology extension under windows 7. however, I always get error message: Error reading fileC:\BrainVisadata\Aphasia2\DTI_16507008_63_M\t1mri\default_acquisition\default_analysis\segmentation\mesh\DTI_16507008_63_M_Rhemi.mesh when I use...
by tulu
Mon Oct 10, 2005 3:00 pm
Forum: BrainVISA
Topic: diffusion bundles transformation and analysis
Replies: 1
Views: 1992

diffusion bundles transformation and analysis

Dear Brainvisa expert, I would like to learn more about the diffusion bundle transformation and diffusion bundles analysis. In diffusion bundles transformation, I read the introduction web page and I have simple question. I don't know how to make roi_1 and roi_2 or more. Should I use roi tool and dr...
by tulu
Sun Oct 09, 2005 12:57 am
Forum: BrainVISA
Topic: DTI bundles and maximum_eigenvectors map
Replies: 1
Views: 1947

DTI bundles and maximum_eigenvectors map

Dear Brainvisa Experts, I have 2 questions about DTI analysis. 1. I had a set of 6 diffusion gardient orientation DTI image (voxel size 1.2*1.2*6.5 mm). I use the default setting of Brainvisa and when I finished the DTI pipline, every image I can see it except maximum eigenvector image. I can get th...
by tulu
Sat Oct 08, 2005 11:08 am
Forum: BrainVISA
Topic: 6 default diffusion gradient orientation in Siemens machine
Replies: 0
Views: 3963

6 default diffusion gradient orientation in Siemens machine

Dear DTI experts,
Did anyone know the 6 default gradient orientation in Siemens machine ? we just use the Siemens avanto machine and can not find this information. Thank for your help. sincerely
by tulu
Thu Oct 06, 2005 12:54 am
Forum: BrainVISA
Topic: import DTI data from siemens machine
Replies: 2
Views: 2640

Dear DTI expert, thanks replay. I still have problem in analysis DTI image. After I get t2 & dw GIS image from Aims convert, I use DTI pipline process. When whole process finish, the "eye icon" did not appear and I did not get any diffusion map image such as FA or others. I think it be...
by tulu
Tue Oct 04, 2005 10:04 pm
Forum: BrainVISA
Topic: import DTI data from siemens machine
Replies: 2
Views: 2640

import DTI data from siemens machine

Dear DTI experts, I am newbie in DTI. I use FC4 and Brainvisa 3.0. I have a series of dicom files from siemens machine and I use MRIcro to convert it as one T2 analyze image and a 4D series DWI image in analyze format. than I use Aims converter to convert these images as two separated .ima files. Fi...
by tulu
Sun May 22, 2005 5:46 am
Forum: BrainVISA
Topic: gnuplot and figure from histogram analysis ?
Replies: 2
Views: 2372

gnuplot and figure from histogram analysis ?

Dear Brainvisa expert, Sorry for simple question. vI use windows and brainvisa 2.3.5 version. I download the gnuplot 4.0 and unzip it. I try to see the figure from histogram analysis but I always get the error message. It seems that brainvisa can not find the gunplot on my C:\gnuplot folder. Can any...
by tulu
Tue Apr 19, 2005 2:43 pm
Forum: BrainVISA
Topic: result after Grey white matter segmentation ?
Replies: 1
Views: 1797

result after Grey white matter segmentation ?

Dear Brainvisa expert, when I do the Grey white matter segmentation, the results give me grey matter (label 100) and white matter (label 200). my question is some brain area within white matter did not label any color. It is like a small dot in everywhere. Is it right ? should I change the grey and ...
by tulu
Mon Apr 04, 2005 11:34 pm
Forum: BrainVISA
Topic: L and R side in Brain volumes
Replies: 4
Views: 3473

R and L side csf

Yes, thanks replay. I check the most process and find usually, left side process always finish firstly than right side. but in this step (brain volume also csf clsssification), right side icon finish work firstly than left side.
thansk replay
by tulu
Thu Mar 31, 2005 6:42 pm
Forum: BrainVISA
Topic: L and R side in Brain volumes
Replies: 4
Views: 3473

display right left csf in brain volume process

Dear Brainvisa expert, Since anatomist part of stable version on my notebook can not work properly (video card problem), I switch to development version and it can work. In brain volume process, if I click right _csf button, it display LEFT side of csf rather than right side. I also feel strange tha...
by tulu
Thu Mar 31, 2005 2:36 am
Forum: BrainVISA
Topic: how to change label region from one to another
Replies: 3
Views: 2653

how to replace label 1 to label 3 in brain stem area

Dear Brainvisa expert, thanks replay. actually my problem is: I need to calculate the grey and white matter volume in brain WITHOUT brainstem. so in brain stem (for example, midbrain and pons). after split brain process, there are some brainstem region label 1 and label 2, I hope to replace it as la...