TABLE IV.

Performance Comparison of Generating Synthetic CTs Among the Proposed TFC-ALC and Two Other Methods

Sub		MAPD			RMSE			R
		TFC-ALC	AW	FCP	TFC-ALC	AW	FCP	TFC-ALC	AW	FCP
1	mean	101.70	134.44	112.20	189.29	221.13	209.60	0.56	0.35	0.41
	std	1.95	0	0.33	1.98	0	0.16	0.01	0	3.33E-4
2	mean	98.88	130.32	103.34	194.58	217.02	202.59	0.47	0.25	0.37
	std	1.33	0	2.60E-4	1.14	0	2.43E-4	0.02	0	1.22E-06
3	mean	95.56	154.90	121.43	184.24	248.72	236.22	0.67	0.36	0.38
	std	0.62	0	1.29E-4	1.20	0	1.08E-4	0.01	0	8.81E-07
4	mean	80.02	118.39	85.81	158.48	188.57	174.58	0.62	0.36	0.45
	std	3.91	0	9.34E-06	4.83	0	0	0.01	0	0
5	mean	79.34	127.61	101.01	153.42	209.49	202.50	0.68	0.38	0.33
	std	1.01	0	1.79E-05	1.48	0	3.74E-05	0.01	0	2.76E-07
6	mean	89.28	128.98	99.53	170.66	204.35	192.38	0.58	0.29	0.30
	std	2.76	0	5.05	3.88	0	3.24	0.01	0	8.59E-3
7	mean	100.40	141.16	116.22	184.37	224.20	218.70	0.60	0.22	0.24
	std	1.03	0	0	1.24	0	0	0	0	1.83E-08
8	mean	81.45	135.03	107.67	166.97	213.82	203.76	0.62	0.34	0.36
	std	0.80	0	6.61E-05	1.11	0	2.64E-05	0.01	0	0
9	mean	87.89	128.09	102.86	170.54	212.82	201.43	0.63	0.33	0.41
	std	1.07	0	1.32E-05	1.26	0	2.16E-05	0.01	0	1.13E-07
10	mean	83.32	132.73	99.60	158.71	211.09	201.54	0.65	0.37	0.30
	std	0.57	0	5.47E-3	1.20	0	0.01	0.01	0	1.25E-4
Average	mean	89.78	133.17	104.97	173.13	215.12	204.33	0.61	0.33	0.36
	std	8.76	9.67	10.03	14.27	15.37	15.99	0.06	0.05	0.06
p-value		—	4.11E-9	0.002	—	5.76E-6	2.20E-4	—	2.14E-9	3.75E-8