Comments (4)
Hi Guy,
The segmentation will be used to perform the Monte Calo simulation to solve the forward problem which "links" the cortical space and channel space. The file is imported as .nift format however calculated by any segmentation method one prefers. It has to have 5 tissue types (i.e. skin skull, CSF, white matter and gray matter) labelled as 1, 2, 3, 5, 4, and 0 as background. Brainstorm build-in segmentation may not able to manage this mission since it's not designed for NIRS. You could use FSL or SPM or Freesurfer. There are some tricks to do this in Brainstorm feel free to contact us.
Thanks,
Zhengchen
from nirstorm.
Hi Zhengchen,
Thank you for this information. I already noticed that I need the segmented file for solving the forward problem.
Unfortunately, I do not seem to find a solution to achieve this segmentation based on the atlas files that are on the brainstorm website or by right clicking on 'default anatomy' in the brainstorm MATLAB GUI > click on 'use template' > select one of the templates.
I would be very grateful if you could teach me this segmentation, preferably in brainstorm, but by any other means if not possible in brainstorm.
If you are interested in helping me, please let me know what is most convenient for you.
I'm more than happy to do this over comments, zoom, e-mail, etc.
Thank you in advance
Guy
from nirstorm.
Hi Guy,
For performing segmentation really it depends on which software you'd prefer. I encourage you to start with FSL or SPM, they both provide 5 types of tissues. They also have detailed documentation and the community to discuss certain issues.
Thanks,
Zhengchen
from nirstorm.
Dear Zhengchen,
Thank you for your help.
I tracked down my problem to a potential bug in the brainstorm software itself.
I reported this on their forum as it is less relevant here. If they could address this issue, it should be fixed for nirstorm as well.
Again, many thanks
Guy
from nirstorm.
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from nirstorm.