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. 2016 Feb 17;6:20640. doi: 10.1038/srep20640

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(a) Baseline (PSNR: 31.32 dB), (b) SRF (PSNR: 38.26 dB), (c) NCDF (PSNR: 24.95 dB), (d) DiffusionO (PSNR: 32.17 dB), (e) Molecular (PSNR: 29.92 dB), (f) MSVST (PSNR: 28.70 dB), (g) VWNF (PSNR: 33.94 dB), and (h) PURELET (PSNR: 27.99 dB).