Table 1. Parameterization of independent variables.

Variable	Value (Group)
Image noise level (NOISE)	0(A), 1(B), 2(C)
Number of seed regions (SEEDS)	2(A), 3(B), 5(C), 9(D), 17(E), 33(F), 65(G), 129(H)
Seed region scaling (SCALING) [mm]	0(A), 1(B), 2(C), 3(D), 4(E), 5(F)
Fiber bundle membership (FBM) [%]	10(A),20(B), 30(C), 40(D),50(E),60(F),70(G),80(H),90(I),100(J)