Trajectory-Level Data Augmentation for Offline Reinforcement Learning

Fuente: arXiv
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Autori principali: Schmähling, Tobias, Burkhardt, Matthias, Windisch, Tobias
Natura: Preprint
Pubblicazione: 2026
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author Schmähling, Tobias
Burkhardt, Matthias
Windisch, Tobias
author_facet Schmähling, Tobias
Burkhardt, Matthias
Windisch, Tobias
contents We propose a data augmentation method for offline reinforcement learning, motivated by active positioning problems. Particularly, our approach enables the training of off-policy models from a limited number of suboptimal trajectories. We introduce a trajectory-based augmentation technique that exploits task structure and the geometric relationship between rewards, value functions, and mathematical properties of logging policies. During data collection, our augmentation supports suboptimal logging policies, leading to higher data quality and improved offline reinforcement learning performance. We provide theoretical justification for these strategies and validate them empirically across positioning tasks of varying dimensionality and under partial observability.
format Preprint
id arxiv_https___arxiv_org_abs_2605_13401
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Trajectory-Level Data Augmentation for Offline Reinforcement Learning
Schmähling, Tobias
Burkhardt, Matthias
Windisch, Tobias
Machine Learning
Robotics
We propose a data augmentation method for offline reinforcement learning, motivated by active positioning problems. Particularly, our approach enables the training of off-policy models from a limited number of suboptimal trajectories. We introduce a trajectory-based augmentation technique that exploits task structure and the geometric relationship between rewards, value functions, and mathematical properties of logging policies. During data collection, our augmentation supports suboptimal logging policies, leading to higher data quality and improved offline reinforcement learning performance. We provide theoretical justification for these strategies and validate them empirically across positioning tasks of varying dimensionality and under partial observability.
title Trajectory-Level Data Augmentation for Offline Reinforcement Learning
topic Machine Learning
Robotics
url https://arxiv.org/abs/2605.13401