Table 1.

The average reconstruction performances of different methods on the test set (mean ± std).

	DAGAN		DAWGAN		DAWGAN-GP		SARA-GAN
Mask: 1D Gaussian	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM
Sample rate: 10%	34.0484 ± 4.81	0.9538 ± 2.20e-2	35.4455 ± 4.57	0.9654 ± 1.71e-2	36.3499 ± 4.27	0.9718 ± 1.37e-2	36.3926 ± 4.73	0.9713 ± 1.46e-2
Sample rate: 20%	40.2395 ± 4.23	0.9857 ± 6.41e-3	41.4284 ± 4.45	0.9894 ± 5.18e-3	42.6101 ± 3.92	0.9923 ± 3.77e-3	43.2054 ± 4.49	0.9929 ± 3.71e-3
Sample rate: 30%	40.8891 ± 4.46	0.9873 ± 5.88e-3	42.1798 ± 4.61	0.9907 ± 4.53e-3	42.9149 ± 3.69	0.9928 ± 3.41e-3	43.3522 ± 4.34	0.9931 ± 3.47e-3
Mask: 2D Gaussian	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM
Sample rate: 10%	39.7242 ± 5.01	0.9801 ± 1.06e-2	40.7623 ± 4.68	0.9861 ± 7.75e-3	41.1885 ± 4.43	0.9876 ± 6.85e-3	41.6323 ± 5.25	0.9881 ± 6.83e-3
Sample rate: 20%	41.5595 ± 4.93	0.9857 ± 7.74e-3	41.7733 ± 5.15	0.9880 ± 6.84e-3	42.9742 ± 4.61	0.9912 ± 5.05e-3	43.4991 ± 5.15	0.9920 ± 4.84e-3
Sample rate: 30%	44.3886 ± 5.01	0.9934 ± 3.95e-3	44.2812 ± 5.11	0.9932 ± 4.03e-3	44.7868 ± 3.86	0.9947 ± 2.97e-3	45.7536 ± 4.99	0.9951 ± 3.03e-3

The bold value means that the experimental result value is the best.