tcksift SIFT_phantom/tracks.tck SIFT_phantom/fods.mif tmp.tck -force && tckmap tmp.tck -template SIFT_phantom/mask.mif -precise tmp.mif -force && mrstats tmp.mif -mask SIFT_phantom/upper.mif -output mean > tmp1.txt && mrstats tmp.mif -mask SIFT_phantom/lower.mif -output mean > tmp2.txt && testing_diff_matrix tmp1.txt tmp2.txt -abs 10
