ich_candidate_voxels - no deps
ich_pred - have_matlab(), ich_candidate_voxels, modlists, remake_img, mask_img, mean_image, spm_bwlabel, ants_apply_transforms
ich_segment - have.fsl,ich_preprocess,make_predictors
ich_preprocess - CT_Skull_Strip_robust, CT_Skull_Strip, window_img,registration,ants_apply_transforms
CT_Skull_Strip_robust - template mask
remake_img - fslr
mean_image - ashift (magic package)
make_predictors - templates, mean image, sd image, local_moment, winsor.mean, winsor.sd,
otropos
local_moment - get_neighbors,
get_neighbors - permutations (gtools),