Table 2.

SI values for CSF, GM, and WM tissues in T1WI MR images using SPM12-s, SPM8-s, SPM8-N-s, and FAST-s to compare the classification results of these tissues with the ground truth from BrainWeb.

Similarity index	SPM12-s			SPM8-s			SPM8-N-s			FAST-s
	GM	WM	CSF	GM	WM	CSF	GM	WM	CSF	GM	WM	CSF
n0rf0	0.795	0.614	0.839	0.892	0.879	0.839	0.949	0.961	0.851	0.818	0.807	0.769
n1rf0	0.905	0.901	0.848	0.936	0.958	0.846	0.947	0.963	0.853	0.865	0.901	0.761
n3rf0	0.925	0.952	0.821	0.934	0.960	0.853	0.938	0.958	0.846	0.900	0.962	0.739
n5rf0	0.917	0.940	0.824	0.922	0.939	0.807	0.918	0.936	0.831	0.887	0.951	0.729
n1rf20	0.906	0.902	0.848	0.934	0.958	0.845	0.943	0.961	0.846	0.879	0.925	0.764
n3rf20	0.927	0.954	0.824	0.932	0.959	0.850	0.939	0.958	0.845	0.903	0.963	0.749
n5rf20	0.918	0.941	0.823	0.921	0.940	0.851	0.920	0.937	0.831	0.893	0.953	0.749