Research map / Image generation / Fast diffusion sampling
Flow Straight and Fast: Learning to Generate and Transfer Data with Rectified Flow
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Add one reflow step to the rectified flow (ablation) | Rectified Flow on CIFAR-10 · CIFAR-10 | FID: 378 -> 12.21 | Helped |
| Add one reflow step, from 2- to 3-Rectified Flow (ablation) | Rectified Flow on CIFAR-10 · CIFAR-10 | FID: 12.21 -> 8.15 | Helped |
| Add one reflow step to the rectified flow (ablation) | Rectified Flow on CIFAR-10 · CIFAR-10 | IS: 1.13 -> 8.08 | Helped |
| Add one reflow step, from 2- to 3-Rectified Flow (ablation) | Rectified Flow on CIFAR-10 · CIFAR-10 | IS: 8.08 -> 8.47 | Helped |
| Use a nonlinear interpolation instead of the canonical linear interpolation (ablation) | Rectified Flow · Distribution transport | convex transport cost | Mixed |
| Add too many reflow steps (ablation) | Rectified Flow · Distribution transport | flow estimation accuracy | Hurt |
| Increase L2 regularization to smooth the neural velocity model (ablation) | Neural Rectified Flow on toy examples · Toy examples | flow straightness | Helped |
| Replace the linear interpolation schedule with an exponential schedule in VP ODE (ablation) | VP ODE · Few-step generation | large-step performance | Hurt |
Closest papers by meaning
- Improving the Training of Rectified Flows (NeurIPS 2024 · similarity 0.93)
- Rectified Diffusion: Straightness Is Not Your Need in Rectified Flow (ICLR 2025 · similarity 0.92)
- Balanced Conic Rectified Flow (NeurIPS 2025 · similarity 0.92)
- On the Relation between Rectified Flows and Optimal Transport (NeurIPS 2025 · similarity 0.91)
- Towards Hierarchical Rectified Flow (ICLR 2025 · similarity 0.90)
- Text-to-Image Rectified Flow as Plug-and-Play Priors (ICLR 2025 · similarity 0.90)
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