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. 2021 Oct 16;21(20):6870. doi: 10.3390/s21206870

Table 8.

The average PSNR and SSIM results of different algorithms in Lung-PET-CT-Dx dataset with different scaling factors.

Model ×2 ×3 ×4
PSNR SSIM PSNR SSIM PSNR SSIM
Bicubic 24.990 0.8404 24.042 0.7994 23.163 0.7620
SRCNN 38.503 0.9814 33.622 0.9530 30.844 0.9262
FSRCNN 38.688 0.9818 34.025 0.9544 31.157 0.9280
VDSR 40.656 0.9841 35.773 0.9612 31.966 0.9375
DRRN 40.352 0.9839 35.858 0.9615 32.858 0.9408
EDSR 40.975 0.9845 36.455 0.9628 33.569 0.9436
MDSR 41.030 0.9846 36.456 0.9627 33.472 0.9430
RDN 41.159 0.9848 36.792 0.9638 33.882 0.9453
RCAN 41.222 0.9849 36.887 0.9641 34.198 0.9463
IDMAN (ours) 41.319 0.9850 36.981 0.9644 34.253 0.9465