Table 1.

Image similarity between true CT and two-types of synthetic CT images: MRCAT and GAN-based CT images.

		1	2	3	4	5	6	7	8	9	10	Avg
SSIM	MRCAT	0.9685	0.9611	0.9668	0.9624	0.9634	0.9625	0.9671	0.9709	0.9636	0.9700	0.9656
	Synthetic CT from GAN	0.9811	0.9745	0.9784	0.9795	0.9779	0.9774	0.9799	0.9854	0.9783	0.9866	0.9799
MAE (HU)	MRCAT	39.99	35.33	34.12	34.01	26.76	30.45	22.06	22.66	29.13	21.21	29.57
	Synthetic CT from GAN	10.80	14.38	11.64	10.75	12.31	12.22	9.99	8.47	11.74	8.13	10.97