Super-Resolution on Urban100 x4
28.07PSNRLSM+
Evaluation results
| Method | Links | |||
|---|---|---|---|---|
| LSM+Scale=×4, # Params=12.9M2026.06 | 28.07 | 83.83 | — | |
| LSMScale=×4, # Params=12.9M2026.06 | 27.94 | 83.62 | — | |
| CAT-AScale=×4, # Params=16.6M2026.06 | 27.89 | 83.39 | — | |
| RGT-SScale=×4, # Params=10.2M2026.06 | 27.89 | 83.47 | — | |
| LSM-SScale=×4, # Params=9.9M2026.06 | 27.88 | 83.48 | — | |
| HAT-SScale=×4, # Params=9.6M2026.06 | 27.87 | 83.46 | — | |
| ARTScale=×4, # Params=16.6M2026.06 | 27.77 | 83.21 | — | |
| MambaIRv2-SScale=×4, # Params=9.8M2026.06 | 27.73 | 83.07 | — | |
| DAT-SScale=×4, # Params=11.2M2026.06 | 27.68 | 83 | — | |
| MambaIRScale=×4, # Params=20.6M2026.06 | 27.68 | 82.87 | — | |
| SwinIRScale=×4, # Params=11.9M2026.06 | 27.45 | 82.54 | — | |
| ESCscale=4×, #param=968K, MACs=149.2G2026.03 | 27.07 | 81.44 | — | |
| UCAN-Lscale=4×, #param=902K, MACs=48.4G2026.03 | 27.06 | 81.34 | — | |
| ATD-lightscale=4×, #param=769K, MACs=100.1G2026.03 | 26.97 | 81.07 | — | |
| ASID-D8scale=4×, #param=748K, MACs=49.6G2026.03 | 26.89 | 80.96 | — | |
| UCANscale=4×, #param=705K, MACs=38.1G2026.03 | 26.89 | 80.97 | — | |
| SwinFIR-TScale=x4, #Param. (K)=891, Flops (G)=54.42022.08 | 26.85 | 80.88 | — | |
| MambaIRv2-lightscale=4x, #param=790K, MACS=75.6G2024.11 | 26.82 | 80.79 | — | |
| MambaIRv2-lightscale=4×, #param=790K, MACs=75.6G2026.03 | 26.82 | 80.79 | — | |
| RCANscale=4×, #param=15592K, MACs=917.6G2026.03 | 26.82 | 80.87 | — | |
| HiT-SRFscale=4×, #param=866K, MACs=58.0G2026.03 | 26.8 | 80.69 | — | |
| TeacherBackbone=RCAN, Scale=x42022.11 | 26.748 | — | — | |
| EDT-TScale=x4, #Param. (K)=922, Flops (G)=58.52022.08 | 26.71 | 80.51 | — | |
| SRFormer-lightscale=4x, #param=873K, MACS=62.8G2024.11 | 26.67 | 80.32 | — | |
| SRFormer-lightscale=4×, #param=873K, MACs=62.8G2026.03 | 26.67 | 80.32 | — | |
| FULL EDSR (FP)Precision=Full-precision, Baseline=EDSR2024.05 | 26.64 | — | — | |
| OmniSRscale=4×, #param=792K, MACs=50.9G2026.03 | 26.64 | 80.18 | — | |
| EDSRScale=×4, # Params=43.0M2026.06 | 26.64 | 80.33 | — | |
| RDNscale=4×, #param=22271K, MACs=1309.2G2026.03 | 26.61 | 80.28 | — | |
| FACDBackbone=RCAN, Scale=x42022.11 | 26.606 | — | — | |
| LFD*Backbone=RCAN, Scale=x42022.11 | 26.547 | — | — | |
| LFDBackbone=RCAN, Scale=x42022.11 | 26.542 | — | — | |
| ELANscale=4x, #param=640K, MACS=54.1G2024.11 | 26.54 | 79.82 | — | |
| LSFDBackbone=RCAN, Scale=x42022.11 | 26.525 | — | — | |
| MambaIR-lightscale=4x, #param=924K, MACS=84.6G2024.11 | 26.52 | 79.83 | — | |
| MambaIR-lightscale=4×, #param=924K, MACs=84.6G2026.03 | 26.52 | 79.83 | — | |
| SwinIR-lightBit=322024.06 | 26.48 | 79.8 | — | |
| SwinIRScale=x4, #Param. (K)=897, Flops (G)=53.22022.08 | 26.47 | 79.8 | — | |
| SwinIR-lightscale=4x, #param=930K, MACS=63.6G2024.11 | 26.47 | 79.8 | — | |
| TeacherBackbone=EDSR, Scale=x42022.11 | 26.425 | — | — | |
| FAKDBackbone=RCAN, Scale=x42022.11 | 26.422 | — | — | |
| FitNetBackbone=RCAN, Scale=x42022.11 | 26.406 | — | — | |
| StudentBackbone=RCAN, Scale=x42022.11 | 26.34 | — | — | |
| LatticeNetScale=x4, #Param. (K)=777, Flops (G)=44.22022.08 | 26.25 | 78.73 | — | |
| LatticeNetscale=4x, #param=777K, MACS=43.6G2024.11 | 26.25 | 78.73 | — | |
| DDistill-SRSource=TMM23, # Params=434K2026.05 | 26.2 | 78.91 | — | |
| SMFANetSource=ECCV24, # Params=197K2026.05 | 26.18 | 78.62 | — | |
| EchoSR-liteSource=Ours, # Params=257K2026.05 | 26.18 | 78.74 | — | |
| LAPAR-AScale=x4, Params=659K, FLOPs=94G2022.05 | 26.14 | 78.71 | — | |
| LAPARScale=x4, #Param. (K)=659, Flops (G)=94.82022.08 | 26.14 | 78.71 | — | |
| SMALL EDSR (FP)Precision=Full-precision, Baseline=EDSR, Model size=Small2024.05 | 26.14 | — | — | |
| SMSRScale=x4, Params=1006K, FLOPs=42G2022.05 | 26.11 | 78.68 | — | |
| Full-precision (Teacher)Student Model=RFDN2026.06 | 26.11 | 78.5 | 0.312 | |
| ShuffleMixerScale=x4, Params=411K, FLOPs=28G2022.05 | 26.08 | 78.35 | — | |
| ShuffleMixerSource=NIPS22, # Params=411K2026.05 | 26.08 | 78.35 | — | |
| CARNScale=x4, Params=1,592K, FLOPs=91G2022.05 | 26.07 | 78.37 | — | |
| CARNscale=4x, #param=1,592K, MACS=90.9G2024.11 | 26.07 | 78.37 | — | |
| SRConv-TSource=IJCV25, # Params=382K2026.05 | 26.06 | 78.45 | — | |
| EDSR-baselineScale=x4, Params=1,518K, FLOPs=114G2022.05 | 26.04 | 78.49 | — | |
| IMDNScale=x4, Params=715K, FLOPs=41G2022.05 | 26.04 | 78.38 | — | |
| FACDBackbone=EDSR, Scale=x42022.11 | 26.029 | — | — | |
| CSD*Backbone=EDSR, Scale=x42022.11 | 25.998 | — | — | |
| LSFDBackbone=EDSR, Scale=x42022.11 | 25.98 | — | — | |
| FAKDBackbone=EDSR, Scale=x42022.11 | 25.972 | — | — | |
| SAFMNSource=ICCV23, # Params=240K2026.05 | 25.97 | 78.09 | — | |
| LFDBackbone=EDSR, Scale=x42022.11 | 25.962 | — | — | |
| LFD*Backbone=EDSR, Scale=x42022.11 | 25.962 | — | — | |
| StudentBackbone=EDSR, Scale=x42022.11 | 25.905 | — | — | |
| SPARKStudent Model=Self-Quantized RFDN2026.06 | 25.89 | 71.9 | 0.394 | |
| ECBSR-M16C64Scale=x4, Params=603K, FLOPs=35G2022.05 | 25.81 | 77.73 | — | |
| 2DQuantBit=42024.06 | 25.71 | 77.12 | — | |
| ShuffleMixer-TinyScale=x4, Params=113K, FLOPs=8G2022.05 | 25.66 | 76.9 | — | |
| DSRNetup-sampling factor=x42023.10 | 25.65 | 76.93 | — | |
| CARN-MScale=x4, Params=412K, FLOPs=33G2022.05 | 25.62 | 76.94 | — | |
| EDSR†Bit=42024.06 | 25.56 | 76.4 | — | |
| MemNetup-sampling factor=x42023.10 | 25.5 | 76.3 | — | |
| LAPAR-CScale=x4, Params=115K, FLOPs=25G2022.05 | 25.49 | 76.51 | — | |
| DRFNup-sampling factor=x42023.10 | 25.45 | 76.29 | — | |
| DRRNup-sampling factor=x42023.10 | 25.44 | 76.38 | — | |
| DOBIBit=42024.06 | 25.43 | 76.31 | — | |
| IDNup-sampling factor=x42023.10 | 25.41 | 76.32 | — | |
| REDup-sampling factor=x42023.10 | 25.35 | 75.87 | — | |
| FDSRup-sampling factor=x42023.10 | 25.27 | 74.17 | — | |
| LapSRNScale=x4, Params=813K, FLOPs=149G2022.05 | 25.21 | 75.6 | — | |
| LapSRNup-sampling factor=x42023.10 | 25.21 | 75.6 | — | |
| WholeBackbone=MambaIRv2 [15], Condense Ratio=100%2025.05 | 25.21 | — | — | |
| DnCNNup-sampling factor=x42023.10 | 25.2 | 75.21 | — | |
| SLKD + QATStudent Model=Self-Quantized RFDN2026.06 | 25.19 | 71.2 | 0.401 | |
| VDSRScale=x4, Params=665K, FLOPs=613G2022.05 | 25.18 | 75.24 | — | |
| VDSRup-sampling factor=x42023.10 | 25.18 | 75.24 | — | |
| IDC (ours)Backbone=MambaIRv2 [15], Condense Ratio=10%2025.05 | 25.16 | — | — | |
| DRCNScale=x4, Params=1,774K, FLOPs=17,974G2022.05 | 25.14 | 75.1 | — | |
| DRCNup-sampling factor=x42023.10 | 25.14 | 75.1 | — | |
| BOLDPrecision=1-bit (Boolean), Baseline=EDSR2024.05 | 25.12 | — | — | |
| DCKD + QATStudent Model=Self-Quantized RFDN2026.06 | 25.09 | 71 | 0.414 | |
| FAKD + QATStudent Model=Self-Quantized RFDN2026.06 | 25.07 | 71.2 | 0.405 | |
| PercentileBit=42024.06 | 24.96 | 74.79 | — | |
| DBDC+PacBit=42024.06 | 24.94 | 73.69 | — | |
| WholeBackbone=SwinIR [24], Condense Ratio=100%2025.05 | 24.92 | — | — | |
| IDC (ours)Backbone=SwinIR [24], Condense Ratio=10%2025.05 | 24.86 | — | — |