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Table 3 The comparison of different SR algorithms

From: The visual human face super-resolution reconstruction algorithm based on improved deep residual network

Scale Bicubic SRCNN VDSR SRResNet IDRN
PSNR SSIM PSNR SSIM PSNR SSIM PSNR SSIM PSNR SSIM
2 32.76 0.931 36.11 0.962 37.42 0.977 38.97 0.985 39.64 0.986
3 30.35 0.893 32.41 0.927 35.38 0.960 35.52 0.965 36.44 0.972
4 27.93 0.851 29.01 0.874 32.80 0.915 32.54 0.931 33.23 0.930