Table 2:

The quantitative evaluation for ablation study without discriminator (w/o Discr.), without perceptual loss (w/o Perc.), and without dual-path training schema (Dual) in the arterial phase (AP), portal phase (PP), and delayed phase (DP)

Phase	PSNR ↑	SSIM	MSE ↓	SNU ↓
w/o Discr.-AP	18.96 ± 1.72	0.64 ± 0.05	243 ± 16	0.31 ± 0.16
w/o Discr.-PP	19.44 ± 1.69	0.69±0.05	232 ± 23	0.37 ± 0.35
w/o Discr.-DP	16.95 ± 1.39	0.65 ± 0.07	296 ± 38	0.53 ± 0.12
w/o Perc.-AP	18.36 ± 1.50	0.63 ± 0.06	234 ± 44	0.42 ± 0.34
w/o Perc.-PP	18.77 ± 1.43	0.66 ± 0.08	221 ± 21	0.39 ± 0.59
w/o Perc.-DP	16.86 ± 1.32	0.64 ± 0.06	257 ± 16	0.52 ± 0.38
w/o Dual.-AP	19.05 ± 3.04	0.67±0.07	198 ± 22	0.33 ± 0.25
w/o Dual.-PP	19.47 ± 2.74	0.66 ± 0.07	238 ± 36	0.49 ± 0.35
w/o Dual.-DP	16.42 ± 2.36	0.60 ± 0.08	246 ± 14	0.52 ± 0.41
Proposed-AP	19.09±1.88	0.63 ± 0.05	194±19	0.25±0.09
Proposed-PP	19.79±1.17	0.65 ± 0.05	216±29	0.34±0.16
Proposed-DP	17.23±1.59	0.65±0.05	244±22	0.46±0.14