Dear FSL experts,
I want to use “FAST Segmentation” to segment GM/WM/CSF from a skull-stripped 3T T1-weighted MR image. But it classifies all the brain regions as GM. I have tuned the parameters, but it still not work.
I used the command like “/usr/local/fsl/bin/fast -t 1 -n 3 -H 0.1 -I 4 -l 20.0 -o $Output_dir $Input_dir ”
I have also tested the same command on some other types of 3T T1-weighted MR image, the result seems good.
I want to ask:
Is there any requirement of the input of T1-weighted MR image? Why it works well on some types of T1-weighted MR image work well, but collapses on other types of T1-weighted images.
Could you give me some advice on this?
I am looking forward for your feedback.
Best regards,
Qiong
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