SIGNALAI·Jun 16, 2026, 4:00 AMSignal60Short term

DiRecT: Safe Diffusion-Based Planning via Receding-Horizon Denoising

Source: arXiv cs.LG

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DiRecT: Safe Diffusion-Based Planning via Receding-Horizon Denoising

arXiv:2606.15359v1 Announce Type: new Abstract: Diffusion models have emerged as powerful tools for planning and control by learning multimodal distributions over actions and trajectories. Yet reliable inference-time safety enforcement remains a key barrier to their deployment in safety-critical tasks. Existing approaches typically project each denoising iterate onto the feasible set, even though constraints are defined only on the final clean trajectory. Enforcing feasibility on noisy intermediate samples can therefore overconstrain the sampling dynamics, substantially degrading sample qualit

Why this matters
Why now

This development addresses a critical safety challenge inherent in applying diffusion models to real-world planning and control tasks, pushing them closer to practical deployment.

Why it’s important

Improved safety enforcement for AI planning models is crucial for their adoption in safety-critical applications like autonomous systems and robotics, where errors can have severe consequences.

What changes

The ability to enforce safety constraints more reliably during the inference phase of diffusion models makes them viable for a broader range of applications previously deemed too risky.

Winners
  • · AI Safety Researchers
  • · Autonomous Robotics Developers
  • · Software-Defined Systems
Losers
  • · Traditional Control Systems
Second-order effects
Direct

Diffusion models become more widely adopted in planning and control for systems requiring high safety guarantees.

Second

Increased investment in research and development for safety-critical AI and autonomous systems across various industries.

Third

Accelerated deployment of AI-powered solutions in sensitive areas such as healthcare, defense, and infrastructure management.

Editorial confidence: 85 / 100 · Structural impact: 40 / 100
Original report

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Read at arXiv cs.LG
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