MPFlow: Multi-modal Posterior-Guided Flow Matching for Zero-Shot MRI Reconstruction

arXiv:2603.03710 · cs.CV, cs.AI · Submitted 2026-03-04 · Read on arXiv

cs.CV, cs.AI

Submitted: 2026-03-04

Updated: 2026-09-24

Code: https://github.com/edshkim98/MPFlow

Terminology

• Hallucination — 43× in this paper · explained in 3 episodes
• Consistency — 16× in this paper · explained in 3 episodes
• Rectified Flow — 12× in this paper · explained in 3 episodes
• Alignment — 9× in this paper · explained in 1 episode
• Fidelity — 5× in this paper · explained in 2 episodes
• Flow Matching — 5× in this paper · explained in 7 episodes
• Diffusion Model — 3× in this paper · explained in 8 episodes
• Inverse Problem — 3× in this paper · explained in 2 episodes
• Normalized Mutual Information — 3× in this paper
• Contrastive Learning — 2× in this paper · explained in 5 episodes
• Diffusion Models — 2× in this paper · explained in 6 episodes
• Latent Space — 2× in this paper · explained in 7 episodes
• Transformer — 2× in this paper · explained in 2 episodes
• Aggregation — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Computational overhead — 1× in this paper · explained in 2 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Steering — 1× in this paper · explained in 2 episodes

Sources

• A Simple Framework for Contrastive Learning of Visual Representations
• Deep Residual Learning for Image Recognition
• HalluGen: Synthesizing Realistic and Controllable Hallucinations for Evaluating Image Restoration
• A 3D Conditional Diffusion Model for Image Quality Transfer -- An Application to Low-Field MRI
• Flow Straight and Fast: Learning to Generate and Transfer Data with Rectified Flow
• Steering Rectified Flow Models in the Vector Field for Controlled Image Generation

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