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Related papers: Augmenting Offline RL with Unlabeled Data

200 papers

Offline reinforcement learning (RL) enables policy learning from pre-collected offline datasets, relaxing the need to interact directly with the environment. However, limited by the quality of offline datasets, it generally fails to learn…

Machine Learning · Computer Science 2025-09-03 Xingshuai Huang , Di Wu , Benoit Boulet

Offline reinforcement learning (RL) represents a significant shift in RL research, allowing agents to learn from pre-collected datasets without further interaction with the environment. A key, yet underexplored, challenge in offline RL is…

Machine Learning · Computer Science 2025-02-27 Yiqin Yang , Quanwei Wang , Chenghao Li , Hao Hu , Chengjie Wu , Yuhua Jiang , Dianyu Zhong , Ziyou Zhang , Qianchuan Zhao , Chongjie Zhang , Xu Bo

Many practical applications of reinforcement learning (RL) constrain the agent to learn from a fixed offline dataset of logged interactions, which has already been gathered, without offering further possibility for data collection. However,…

Machine Learning · Computer Science 2021-07-06 Zizhou Su

This paper introduces the offline meta-reinforcement learning (offline meta-RL) problem setting and proposes an algorithm that performs well in this setting. Offline meta-RL is analogous to the widely successful supervised learning strategy…

Machine Learning · Computer Science 2021-07-22 Eric Mitchell , Rafael Rafailov , Xue Bin Peng , Sergey Levine , Chelsea Finn

The offline reinforcement learning (RL) paradigm provides a general recipe to convert static behavior datasets into policies that can perform better than the policy that collected the data. While policy constraints, conservatism, and other…

Artificial Intelligence · Computer Science 2023-10-19 Jianlan Luo , Perry Dong , Jeffrey Wu , Aviral Kumar , Xinyang Geng , Sergey Levine

Several data augmentation methods deploy unlabeled-in-distribution (UID) data to bridge the gap between the training and inference of neural networks. However, these methods have clear limitations in terms of availability of UID data and…

Machine Learning · Computer Science 2021-11-23 Saehyung Lee , Changhwa Park , Hyungyu Lee , Jihun Yi , Jonghyun Lee , Sungroh Yoon

One of the main challenges in reinforcement learning (RL) is that the agent has to make decisions that would influence the future performance without having complete knowledge of the environment. Dynamically adjusting the level of epistemic…

Machine Learning · Computer Science 2026-03-02 Yupeng Wu , Wenyun Li , Wenjie Huang , Chin Pang Ho

Open-set semi-supervised learning (open-set SSL) investigates a challenging but practical scenario where out-of-distribution (OOD) samples are contained in the unlabeled data. While the mainstream technique seeks to completely filter out…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Junkai Huang , Chaowei Fang , Weikai Chen , Zhenhua Chai , Xiaolin Wei , Pengxu Wei , Liang Lin , Guanbin Li

Offline-to-online (O2O) reinforcement learning (RL) provides an effective means of leveraging an offline pre-trained policy as initialization to improve performance rapidly with limited online interactions. Recent studies often design…

Machine Learning · Computer Science 2024-12-30 Qin-Wen Luo , Ming-Kun Xie , Ye-Wen Wang , Sheng-Jun Huang

Unsupervised continual learning aims to learn new tasks incrementally without requiring human annotations. However, most existing methods, especially those targeted on image classification, only work in a simplified scenario by assuming all…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiangpeng He , Fengqing Zhu

End-to-end learning robotic manipulation with high data efficiency is one of the key challenges in robotics. The latest methods that utilize human demonstration data and unsupervised representation learning has proven to be a promising…

Robotics · Computer Science 2021-10-22 Jin Li , Xianyuan Zhan , Zixu Xiao , Guyue Zhou

In offline reinforcement learning, a policy learns to maximize cumulative rewards with a fixed collection of data. Towards conservative strategy, current methods choose to regularize the behavior policy or learn a lower bound of the value…

Machine Learning · Computer Science 2021-03-02 Hongchang Zhang , Jianzhun Shao , Yuhang Jiang , Shuncheng He , Xiangyang Ji

Off-policy deep reinforcement learning (RL) algorithms are incapable of learning solely from batch offline data without online interactions with the environment, due to the phenomenon known as \textit{extrapolation error}. This is often due…

Machine Learning · Computer Science 2019-12-03 Riashat Islam , Komal K. Teru , Deepak Sharma , Joelle Pineau

In offline Imitation Learning (IL), one of the main challenges is the \textit{covariate shift} between the expert observations and the actual distribution encountered by the agent, because it is difficult to determine what action an agent…

Machine Learning · Computer Science 2024-06-19 Jie-Jing Shao , Hao-Sen Shi , Lan-Zhe Guo , Yu-Feng Li

In offline reinforcement learning, the challenge of out-of-distribution (OOD) is pronounced. To address this, existing methods often constrain the learned policy through policy regularization. However, these methods often suffer from the…

Machine Learning · Computer Science 2024-07-16 Tenglong Liu , Yang Li , Yixing Lan , Hao Gao , Wei Pan , Xin Xu

Offline reinforcement learning aims to train agents from pre-collected datasets. However, this comes with the added challenge of estimating the value of behaviors not covered in the dataset. Model-based methods offer a potential solution by…

Machine Learning · Computer Science 2024-12-03 Anya Sims , Cong Lu , Jakob Foerster , Yee Whye Teh

Semi-supervised learning (SSL) has been proposed to leverage unlabeled data for training powerful models when only limited labeled data is available. While existing SSL methods assume that samples in the labeled and unlabeled data share the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Qing Yu , Daiki Ikami , Go Irie , Kiyoharu Aizawa

Offline reinforcement learning (RL) enables training from fixed data without online interaction, but policies learned offline often struggle when deployed in dynamic environments due to distributional shift and unreliable value estimates on…

Machine Learning · Computer Science 2025-11-06 Lipeng Zu , Hansong Zhou , Xiaonan Zhang

Offline Reinforcement Learning (RL) aims at learning an optimal control from a fixed dataset, without interactions with the system. An agent in this setting should avoid selecting actions whose consequences cannot be predicted from the…

Reinforcement learning (RL) is a powerful data-driven control method that has been largely explored in autonomous driving tasks. However, conventional RL approaches learn control policies through trial-and-error interactions with the…

Robotics · Computer Science 2021-11-03 Tianyu Shi , Dong Chen , Kaian Chen , Zhaojian Li