Tissue-Based MRI Intensity Standardization: Application to Multicentric Datasets

Table 1

MAE (%) of the ADNI images presented in Figures 6 and 7, obtained for FRG, WM, and GM.

Figure	Voxel set	Technique	(A)	(B)	(C)	(D)	(E)	(F)	(G)
Figure 6	FRG	Original	21.27	13.93	11.94	12.14	9.90	8.85	7.87
		𝐿4	11.07	9.84	9.41	9.02	8.62	8.30	7.50
		STI	9.93	9.71	9.24	8.81	8.69	8.48	7.56
	WM	Original	27.89	16.65	12.90	11.28	6.88	5.08	4.04
		𝐿4	8.60	7.05	6.32	4.59	4.19	5.04	3.67
		STI	4.42	4.86	4.03	4.04	4.40	4.34	3.64
	GM	Original	22.61	14.31	11.24	10.77	7.58	7.20	5.62
		𝐿4	9.99	8.58	7.52	6.65	6.04	6.70	4.97
		STI	8.75	8.05	7.03	6.50	6.43	6.50	5.31
Figure 7	FRG	Original	12.14	11.77	10.10	10.90	10.13	10.29	8.93
		𝐿4	10.64	9.70	8.88	8.92	8.77	8.24	7.67
		STI	12.05	10.11	9.60	9.05	8.57	8.23	7.32
	WM	Original	8.04	9.38	5.34	10.01	7.68	8.30	6.43
		𝐿4	6.49	5.26	6.32	5.70	4.95	4.28	4.02
		STI	8.24	5.94	5.00	4.11	4.89	4.32	3.69
	GM	Original	10.72	10.00	8.30	9.21	8.59	8.19	7.37
		𝐿4	8.99	7.63	7.71	6.83	6.90	6.23	5.89
		STI	10.59	8.12	7.69	6.70	6.79	6.29	5.49

Best (lowest) MAE values are highlighted in bold characters.