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Brett Barkley

2 accepted papers

2026

SCOPED: Score–Curvature Out-of-distribution Proximity Evaluator for Diffusion

ICLR 2026poster

Out-of-distribution (OOD) detection is essential for reliable deployment of machine learning systems in vision, robotics, and reinforcement learning. We introduce Score–Curvature Out-of-distribution Proximity Evaluator for Diffusion (SCOPED), a fast and general-purpose OOD detection method for diffu…

Cited by 3SourceScholar
2025

Stealing That Free Lunch: Exposing the Limits of Dyna-Style Reinforcement Learning

ICML 2025poster

Dyna-style off-policy model-based reinforcement learning (DMBRL) algorithms are a family of techniques for generating synthetic state transition data and thereby enhancing the sample efficiency of off-policy RL algorithms. This paper identifies and investigates a surprising performance gap observed…

Cited by 1SourcePDFScholar