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通过mrtrix3进行概率纤维追踪

https://mrtrix.readthedocs.io/

今日代码

dwigradcheck input [ options ]
功能：Check the orientation of the diffusion gradient table
dwigradcheck DTI.mif -export_grad_mrtrix grad_check

dwi2response algorithm [ options ] …
功能：Estimate response function(s) for spherical deconvolution
Example：
dwi2response dhollander DTI.mif
response_wm.txt response_gm.txt response_csf.txt
-mask mask.nii.gz -voxels voxel.mif
-grad grad_check

dwi2fod [ options ] algorithm dwi response odf [ response odf … ]
功能：Estimate fibre orientation distributions from diffusion data using spherical deconvolution
Example:
dwi2fod msmt_csd DTI.mif response_wm.txt
fod_wm.mif response_csf.txt fod_csf.mif
-mask mask.nii.gz -grad grad_check

tckgen [ options ] source tracks
功能：Perform streamlines tractography
Example：
tckgen fod_wm.mif wmcsf_10Mtrack.tck
-seed_image mask.nii.gz
-select 10000000 -step 0.75 -cutoff 0.15
-grad grad_check -minlength 5

下期预告：使用脚本进行数据批处理。