Dear FSL experts:
1) Get FA map for DTI data(voxel 2*2*2), named dti_FA.
2) Register FA map to MNI152_T1_1mm using FLIRT(named FA_flirted) and matrix file.
3) Segment corpus callosum in the FA_flirted image, get CC_FA_mask image(Just want to keep consistency in every segmentation in the FLIRTed image).
4) Using convert_xfm to ge converted matrix flie.
5) Using flirt(-applyxfm, init) to get CC_FA_mask in the original FA image.
flirt -in CC_FA_mask -ref dti_FA -applyxfm -init matrix_flie_converted -out CC_FA_mask_original
Is this reasonable?
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