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The authors of 'Unsupervised Reinforcement Learning in Multiple environments' propose a method, alpha-MEPOL, to tackle unsupervised RL across multiple environments. They pre-train a task-agnostic exploration policy using interactions from…

Machine Learning · Computer Science 2024-01-10 Shaurya Dewan , Anisha Jain , Zoe LaLena , Lifan Yu

In preference-based Reinforcement Learning (RL), obtaining a large number of preference labels are both time-consuming and costly. Furthermore, the queried human preferences cannot be utilized for the new tasks. In this paper, we propose…

Machine Learning · Computer Science 2024-06-06 Runze Liu , Yali Du , Fengshuo Bai , Jiafei Lyu , Xiu Li

Reinforcement learning (RL) has substantially improved the ability of large language model (LLM) agents to interact with environments and solve multi-turn tasks. However, effective agentic RL remains challenging: sparse outcome-only rewards…

Meta reinforcement learning (Meta RL) has been amply explored to quickly learn an unseen task by transferring previously learned knowledge from similar tasks. However, most state-of-the-art algorithms require the meta-training tasks to have…

Machine Learning · Computer Science 2023-11-14 Lu Wen , Songan Zhang , H. Eric Tseng , Huei Peng

Reinforcement learning (RL) requires skillful definition and remarkable computational efforts to solve optimization and control problems, which could impair its prospect. Introducing human guidance into reinforcement learning is a promising…

Machine Learning · Computer Science 2022-11-30 Jingda Wu , Zhiyu Huang , Wenhui Huang , Chen Lv

Despite recent success of deep network-based Reinforcement Learning (RL), it remains elusive to achieve human-level efficiency in learning novel tasks. While previous efforts attempt to address this challenge using meta-learning strategies,…

Machine Learning · Computer Science 2022-05-03 Haozhe Wang , Jiale Zhou , Xuming He

Embodied control requires agents to leverage multi-modal pre-training to quickly learn how to act in new environments, where video demonstrations contain visual and motion details needed for low-level perception and control, and language…

Machine Learning · Computer Science 2023-04-20 Yao Mu , Shunyu Yao , Mingyu Ding , Ping Luo , Chuang Gan

Human-centric visual analysis plays a pivotal role in diverse applications, including surveillance, healthcare, and human-computer interaction. With the emergence of large-scale unlabeled human image datasets, there is an increasing need…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mingshuang Luo , Ruibing Hou , Bo Chao , Hong Chang , Zimo Liu , Yaowei Wang , Shiguang Shan

Embodied exploration is a target-driven process that requires embodied agents to possess fine-grained perception and knowledge-enhanced decision making. While recent attempts leverage MLLMs for exploration due to their strong perceptual and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Gengyuan Zhang , Mingcong Ding , Jingpei Wu , Ruotong Liao , Volker Tresp

Deep reinforcement learning (DRL) has achieved remarkable success across multiple domains, including competitive games, natural language processing, and robotics. Despite these advancements, policies trained via DRL often struggle to…

Machine Learning · Computer Science 2025-12-30 James Chapman , Kedar Karhadkar , Guido Montufar

Continuous unsupervised representation learning (CURL) research has greatly benefited from improvements in self-supervised learning (SSL) techniques. As a result, existing CURL methods using SSL can learn high-quality representations…

Machine Learning · Computer Science 2023-09-13 Alex Gomez-Villa , Bartlomiej Twardowski , Kai Wang , Joost van de Weijer

Paraphrasing is expressing the meaning of an input sentence in different wording while maintaining fluency (i.e., grammatical and syntactical correctness). Most existing work on paraphrasing use supervised models that are limited to…

Computation and Language · Computer Science 2020-07-08 A. B. Siddique , Samet Oymak , Vagelis Hristidis

Mobile edge computing (MEC) is considered a novel paradigm for computation-intensive and delay-sensitive tasks in fifth generation (5G) networks and beyond. However, its uncertainty, referred to as dynamic and randomness, from the mobile…

Information Theory · Computer Science 2022-06-22 Peng Wei , Kun Guo , Ye Li , Jue Wang , Wei Feng , Shi Jin , Ning Ge , Ying-Chang Liang

The Centralized Training with Decentralized Execution (CTDE) paradigm has gained significant attention in multi-agent reinforcement learning (MARL) and is the foundation of many recent algorithms. However, decentralized policies operate…

Multiagent Systems · Computer Science 2025-08-19 Zhuofan Xu , Benedikt Bollig , Matthias Függer , Thomas Nowak , Vincent Le Dréau

Unsupervised goal-conditioned reinforcement learning (GCRL) is a promising paradigm for developing diverse robotic skills without external supervision. However, existing unsupervised GCRL methods often struggle to cover a wide range of…

Machine Learning · Computer Science 2024-12-10 Junik Bae , Kwanyoung Park , Youngwoon Lee

Large transformer models, trained on diverse datasets, have demonstrated impressive few-shot performance on previously unseen tasks without requiring parameter updates. This capability has also been explored in Reinforcement Learning (RL),…

Multiagent Systems · Computer Science 2026-04-02 Tao Jiang , Zichuan Lin , Lihe Li , Yi-Chen Li , Cong Guan , Lei Yuan , Zongzhang Zhang , Yang Yu , Deheng Ye

We present a novel unsupervised domain adaption method for person re-identification (reID) that generalizes a model trained on a labeled source domain to an unlabeled target domain. We introduce a camera-driven curriculum learning (CaCL)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Geon Lee , Sanghoon Lee , Dohyung Kim , Younghoon Shin , Yongsang Yoon , Bumsub Ham

Vision-language-action policies learn manipulation skills across tasks, environments and embodiments through large-scale pre-training. However, their ability to generalize to novel robot configurations remains limited. Most approaches…

Robotics · Computer Science 2025-09-19 Anzhe Chen , Yifei Yang , Zhenjie Zhu , Kechun Xu , Zhongxiang Zhou , Rong Xiong , Yue Wang

We propose a unified representation learning framework to address the Cross Model Compatibility (CMC) problem in the context of visual search applications. Cross compatibility between different embedding models enables the visual search…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Chien-Yi Wang , Ya-Liang Chang , Shang-Ta Yang , Dong Chen , Shang-Hong Lai

While theory and practice are often seen as separate domains, this article shows that theoretical insight is essential for overcoming real-world engineering barriers. We begin with a practical challenge: training a cross-morphology embodied…

Artificial Intelligence · Computer Science 2025-06-05 Shaoshan Liu , Fan Wang , Hongjun Zhou , Yuanfeng Wang