Image Generation on MNIST (FID)
1.76FIDRectified Flow
Evaluation results
| Method | Links | |
|---|---|---|
| Rectified FlowNFE=1, Sampling Time (ms/img)=♯ 24.92025.06 | 1.76 | |
| OT-CFMNFE=100, Sampling Time (ms/img)=8492025.06 | 1.9 | |
| MeanFlowNFE=1, Sampling Time (ms/img)=♯ 22.52025.06 | 4.03 | |
| OT-CFMNFE=25, Sampling Time (ms/img)=2092025.06 | 4.4 | |
| CDF-based SW estimatorEstimator=CDF (k=1)2026.06 | 4.69 | |
| CDF-based SW estimatorEstimator=CDF (k=0.05)2026.06 | 5 | |
| Quantile-based SW estimatorEstimator=Quantile2026.06 | 5.41 | |
| Koopman (ours, w/o consistency)NFE=1, Sampling Time (ms/img)=37.22025.06 | 6.4 | |
| Koopman (ours, w/ consistency)NFE=1, Sampling Time (ms/img)=37.22025.06 | 7.1 | |
| OT-CFMNFE=5, Sampling Time (ms/img)=41.12025.06 | 12.5 | |
| OT-CFMNFE=3, Sampling Time (ms/img)=25.22025.06 | 28.1 | |
| OT-CFMNFE=1, Sampling Time (ms/img)=7.12025.06 | 181 |