SNaP: One-Step Posterior Sampling for Noisy Inverse Problems

arXiv:2609.34071 · cs.CV · Submitted 2026-09-28 · Read on arXiv

cs.CV

Submitted: 2026-09-28

Updated: 2026-09-28

Terminology

• Inverse Problem — 27× in this paper · explained in 2 episodes
• Consistency — 13× in this paper · explained in 3 episodes
• Calibration — 12× in this paper · explained in 7 episodes
• Flow Matching — 7× in this paper · explained in 8 episodes
• Ablation — 6× in this paper · explained in 1 episode
• Diffusion Model — 5× in this paper · explained in 8 episodes
• Diffusion Models — 5× in this paper · explained in 6 episodes
• Accuracy — 4× in this paper · explained in 1 episode
• Benchmark — 4× in this paper · explained in 2 episodes
• Generative Model — 4× in this paper · explained in 2 episodes
• Distillation — 3× in this paper · explained in 2 episodes
• Generative Modeling — 3× in this paper · explained in 3 episodes
• Generative Models — 3× in this paper · explained in 2 episodes
• Embeddings — 2× in this paper · explained in 2 episodes
• Fidelity — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Variational Flow Maps — 2× in this paper
• Anisotropy — 1× in this paper · explained in 3 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Hilbert Space — 1× in this paper · explained in 2 episodes
• Latent Space — 1× in this paper · explained in 7 episodes
• Nash Equilibrium — 1× in this paper · explained in 2 episodes
• Optimal Transport — 1× in this paper · explained in 5 episodes
• Rectified Flow — 1× in this paper · explained in 3 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Self-Distillation — 1× in this paper · explained in 7 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• A Survey on Diffusion Models for Inverse Problems
• Stabilizing, Scaling & Enhancing MeanFlow for Large-scale Diffusion Distillation
• NullFlow: One-Step Generative Reconstruction
• SubFlow: Sub-mode Conditioned Flow Matching for Diverse One-Step Generation
• MFSR: MeanFlow Distillation for One Step Real-World Image Super Resolution

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