4x Super-resolution on FFHQ 256x256
30.73PSNRPSLD (SD-v1.5)
Evaluation results
| Method | Links | ||||
|---|---|---|---|---|---|
| PSLD (SD-v1.5)Base Model=Stable Diffusion v1.5, Noise level (beta_y)=0.01, Scale=4x2026.06 | 30.73 | 0.201 | — | — | |
| LatentDAPS (SD-v1.5)Base Model=Stable Diffusion v1.5, Noise level (beta_y)=0.01, Scale=4x2026.06 | 30.21 | 0.142 | — | — | |
| SOCS (SD-v1.5)Base Model=Stable Diffusion v1.5, Noise level (beta_y)=0.01, Scale=4x2026.06 | 29.86 | 0.137 | — | — | |
| Equi-ReSampleResolution=256x256, Noise level (sigma_y)=0.012025.05 | 29.74 | 0.098 | 43.56 | 0.849 | |
| SGPSNFE=992025.12 | 29.384 | 0.179 | — | — | |
| SDXL-UpscalerType=Diffusion, NFEs=202026.04 | 29.1 | 0.361 | — | 0.721 | |
| SGPSNFE=482025.12 | 29.077 | 0.198 | — | — | |
| DAPS2025.02 | 29.07 | 0.177 | 51.44 | 0.818 | |
| C-IGDMNFE=102024.05 | 29.03 | 0.086 | 29.07 | 0.821 | |
| FPS - SMC2026.06 | 29.02 | 0.234 | 106.56 | 0.828 | |
| C-IGDMNFE=52024.05 | 28.97 | 0.095 | 32.01 | 0.832 | |
| DDNMNFE=1002025.12 | 28.869 | 0.256 | — | — | |
| C-IGDMNFE=202024.05 | 28.79 | 0.083 | 26.37 | 0.809 | |
| DDNMNFE=502025.12 | 28.664 | 0.257 | — | — | |
| DCDP2025.02 | 28.66 | 0.178 | 53.81 | 0.807 | |
| SOCS-Nonlinear-γ2026.06 | 28.66 | 0.166 | 76.86 | 0.8 | |
| SOCS-Linear2026.06 | 28.51 | 0.165 | 72.99 | 0.797 | |
| DPSNFE=10002024.05 | 28.49 | 0.107 | 30.86 | 0.834 | |
| FPS-SMC2025.02 | 28.42 | 0.204 | 49.25 | 0.813 | |
| SOCS-Nonlinear2026.06 | 28.39 | 0.15 | 74.82 | 0.772 | |
| DDRMNFE=1002025.12 | 28.326 | 0.246 | — | — | |
| DAPS2026.06 | 28.31 | 0.149 | 74.75 | 0.768 | |
| EquiCon-ReSampleResolution=256x256, Noise level (sigma_y)=0.012025.05 | 28.27 | 0.112 | 40.38 | 0.801 | |
| IGDMNFE=202024.05 | 28.26 | 0.087 | 26.17 | 0.818 | |
| DAVINFE=12024.07 | 28.23 | 0.171 | 23.96 | — | |
| DDRMNFE=502025.12 | 28.177 | 0.248 | — | — | |
| DDNM+NFE=1002024.07 | 28.17 | 0.244 | 59.09 | — | |
| DDRMNFE=202024.07 | 28.09 | 0.228 | 48.19 | — | |
| DDNM2025.02 | 28.03 | 0.197 | 64.62 | 0.795 | |
| ReSampleResolution=256x256, Noise level (sigma_y)=0.012025.05 | 28.02 | 0.204 | 40.46 | 0.79 | |
| Greedy (midpoint)2025.02 | 27.98 | 0.224 | 70.96 | 0.727 | |
| Greedy (2-step Euler)2025.02 | 27.95 | 0.22 | 68.93 | 0.728 | |
| Greedy (Euler)2025.02 | 27.94 | 0.217 | 66.64 | 0.728 | |
| DDNM2026.06 | 27.93 | 0.17 | 91.15 | 0.808 | |
| ΠGDMNFE=1002024.07 | 27.73 | 0.225 | 49.86 | — | |
| DAPSNFE=1002025.12 | 27.693 | 0.23 | — | — | |
| FPSNFE=1002025.12 | 27.628 | 0.215 | — | — | |
| DDRM2026.06 | 27.53 | 0.18 | 92.19 | 0.796 | |
| FPSNFE=502025.12 | 27.185 | 0.232 | — | — | |
| Equi-DPSDiffusion model type=Pixel-based, Noise level (sigma_y)=0.05, Resolution=256x256, Scaling factor=x42025.05 | 27.15 | 0.12 | 51 | — | |
| DOC2026.06 | 27.15 | 0.173 | 90.96 | 0.79 | |
| RED-diffNFE=10002024.07 | 26.75 | 0.379 | 92.82 | — | |
| DiffPIR2025.02 | 26.64 | 0.26 | 65.77 | — | |
| DDRM2025.02 | 26.58 | 0.282 | 79.25 | 0.782 | |
| DAPSNFE=502025.12 | 26.529 | 0.283 | — | — | |
| DiffPIR2026.06 | 26.48 | 0.272 | 74.62 | 0.733 | |
| DCDP2026.06 | 26.06 | 0.322 | 118.09 | 0.629 | |
| Flux-UpscalerType=Diffusion, NFEs=202026.04 | 25.88 | 0.357 | — | 0.637 | |
| DPS2025.02 | 25.86 | 0.269 | 81.07 | 0.753 | |
| DPSNFE=10002024.07 | 25.55 | 0.255 | 36.29 | — | |
| RED-diff2026.06 | 25.46 | 0.391 | 130.71 | 0.591 | |
| DiffPIRNFE=1002024.07 | 25.32 | 0.341 | 40.35 | — | |
| DiffStateGrad-DPSDiffusion model type=Pixel-based, Noise level (sigma_y)=0.05, Resolution=256x256, Scaling factor=x42025.05 | 24.65 | 0.186 | 73.02 | — | |
| DPSDiffusion model type=Pixel-based, Noise level (sigma_y)=0.05, Resolution=256x256, Scaling factor=x42025.05 | 24.38 | 0.191 | 125.4 | — | |
| DPS2026.06 | 24.25 | 0.19 | 84.33 | 0.677 | |
| VibeToken-LLType=VQ-VAE, NFEs=12026.04 | 24.11 | 0.31 | — | 0.805 | |
| MPGD-AEDiffusion model type=Pixel-based, Noise level (sigma_y)=0.05, Resolution=256x256, Scaling factor=x42025.05 | 24.01 | 0.168 | 137.7 | — | |
| DPSNFE=10002025.12 | 23.73 | 0.301 | — | — | |
| MCGDiffusion model type=Pixel-based, Noise level (sigma_y)=0.05, Resolution=256x256, Scaling factor=x42025.05 | 20.05 | 0.52 | 87.64 | — | |
| DPSNFE=1002025.12 | 16.739 | 0.494 | — | — | |
| DPSNFE=502025.12 | 14.688 | 0.55 | — | — | |
| DAVItime(sec/img)=0.042024.07 | — | — | 23.96 | — | |
| DDNM+time(sec/img)=4.22024.07 | — | — | 59.09 | — | |
| DDRMtime(sec/img)=1.72024.07 | — | — | 48.19 | — | |
| DiffPIRtime(sec/img)=4.32024.07 | — | — | 40.35 | — | |
| DPStime(sec/img)=77.72024.07 | — | — | 36.29 | — | |
| RED-difftime(sec/img)=41.12024.07 | — | — | 92.82 | — | |
| ΠGDMtime(sec/img)=8.32024.07 | — | — | 49.86 | — |