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Grayscale Image Denoising on Urban100

33.88PSNRSCUNet
14.01619.17324.3329.487Aug 23, 2021May 29, 2022Mar 5, 2023Dec 9, 2023Sep 14, 2024Jun 20, 2025Mar 27, 2026

Evaluation results

MethodLinks
SCUNetNoise Level=152022.0333.88—
SwinFIRsigma=152022.0833.85—
DAGLNoise Level=152022.0333.79—
RestormerNoise Level=152022.0333.79—
SwinIRsigma=152022.0833.7—
SwinIRNoise Level=152022.0333.7—
DRUNetsigma=152021.0833.7—
SwinIRsigma=152021.0833.7—
NLRNNoise Level=152022.0333.45—
NLRNsigma=152021.0833.45—
DRUNetNoise Level=152022.0333.44—
MWCNNsigma=152021.0833.44—
RNANsigma=152021.0833.17—
FOCNetNoise Level=152022.0333.15—
FOCNetsigma=152021.0833.15—
WNNMsigma=152021.0832.97—
DnCNNNoise Level=152022.0332.64—
DnCNNsigma=152021.0832.64—
IRCNNsigma=152021.0832.46—
FFDNetNoise Level=152022.0332.4—
FFDNetsigma=152021.0832.4—
DnCNNsigma=152026.0332.360.9159
BM3Dsigma=152021.0832.35—
Restormersigma=152026.0332.20.9139
N2CNoise Type=Gaussian sigma=15, Network=U-Net2022.0331.950.91
R2RNoise Type=Gaussian sigma=15, Network=U-Net2022.0331.890.915
Blind2UnblindNoise Type=Gaussian sigma=15, Network=U-Net2022.0331.790.912
SCUNetNoise Level=252022.0331.58—
RestormerNoise Level=252022.0331.46—
DAGLNoise Level=252022.0331.39—
SwinIRNoise Level=252022.0331.3—
DRUNetsigma=252021.0831.3—
SwinIRsigma=252021.0831.3—
DRUNetNoise Level=252022.0331.11—
MWCNNsigma=252021.0831.11—
NLRNNoise Level=252022.0330.94—
NLRNsigma=252021.0830.94—
RNANsigma=252021.0830.66—
FOCNetNoise Level=252022.0330.64—
FOCNetsigma=252021.0830.64—
WNNMsigma=252021.0830.39—
N3NetNoise Level=252022.0330.19—
N3Netsigma=252021.0830.19—
Provably Contractive Denoisersigma=152026.0330.110.8851
DnCNNNoise Level=252022.0329.95—
DnCNNsigma=252021.0829.95—
FFDNetNoise Level=252022.0329.9—
FFDNetsigma=252021.0829.9—
IRCNNsigma=252021.0829.8—
BM3Dsigma=252021.0829.7—
DnCNNsigma=252026.0329.360.8677
D-FBSsigma=152026.0329.210.8478
D-DRSsigma=152026.0329.180.8774
R2RNoise Type=Gaussian sigma=25, Network=U-Net2022.0329.170.865
Restormersigma=252026.0329.130.863
Blind2UnblindNoise Type=Gaussian sigma=25, Network=U-Net2022.0329.050.864
N2CNoise Type=Gaussian sigma=25, Network=U-Net2022.0329.010.861
SCUNetNoise Level=502022.0328.56—
RestormerNoise Level=502022.0328.29—
SwinIRNoise Level=502022.0327.98—
SwinIRsigma=502021.0827.98—
DAGLNoise Level=502022.0327.97—
DRUNetNoise Level=502022.0327.96—
DRUNetsigma=502021.0827.96—
RNANNoise Level=502022.0327.65—
RNANsigma=502021.0827.65—
NLRNNoise Level=502022.0327.49—
NLRNsigma=502021.0827.49—
MWCNNsigma=502021.0827.42—
FOCNetNoise Level=502022.0327.4—
FOCNetsigma=502021.0827.4—
Provably Contractive Denoisersigma=252026.0326.940.8118
WNNMsigma=502021.0826.83—
N3Netsigma=502021.0826.82—
FFDNetNoise Level=502022.0326.5—
FFDNetsigma=502021.0826.5—
D-FBSsigma=252026.0326.480.7803
D-DRSsigma=252026.0326.470.8058
N3NetNoise Level=502022.0326.26—
DnCNNsigma=502021.0826.26—
DnCNNNoise Level=502022.0326.23—
IRCNNsigma=502021.0826.22—
BM3Dsigma=502021.0825.95—
Blind2UnblindNoise Type=Gaussian sigma=50, Network=U-Net2022.0325.570.768
R2RNoise Type=Gaussian sigma=50, Network=U-Net2022.0325.480.768
N2CNoise Type=Gaussian sigma=50, Network=U-Net2022.0325.350.766
eSN-GSsigma=152026.0324.910.6341
eSN-ReLUsigma=152026.0324.890.6262
DnCNNsigma=502026.0324.750.7481
Restormersigma=502026.0324.430.6798
Provably Contractive Denoisersigma=502026.0322.930.669
D-FBSsigma=502026.0322.430.6461
D-DRSsigma=502026.0322.390.6339
eSN-GSsigma=252026.0320.780.5236
eSN-ReLUsigma=252026.0320.610.4774
eSN-GSsigma=502026.0314.860.2823
eSN-ReLUsigma=502026.0314.780.2705