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Quantum Reinforcement Learning (QRL) emerged as a branch of reinforcement learning (RL) that uses quantum submodules in the architecture of the algorithm. One branch of QRL focuses on the replacement of neural networks (NN) by variational…

量子物理 · 物理学 2024-05-15 Georg Kruse , Theodora-Augustina Dragan , Robert Wille , Jeanette Miriam Lorenz

In this work, we propose a novel algorithmic framework for data sharing and coordinated exploration for the purpose of learning more data-efficient and better performing policies under a concurrent reinforcement learning (CRL) setting. In…

机器学习 · 统计学 2024-02-01 Tim Tse , Isaac Chan , Zhitang Chen

Reinforcement learning (RL) is one of the most practical ways to learn from real-life use-cases. Motivated from the cognitive methods used by humans makes it a widely acceptable strategy in the field of artificial intelligence. Most of the…

人工智能 · 计算机科学 2026-04-14 Abhishek Sawaika , Samuel Yen-Chi Chen , Udaya Parampalli , Rajkumar Buyya

Reinforcement-Learning-based post-training has recently emerged as a promising paradigm for aligning text-to-image diffusion models with human preferences. In recent studies, increasing the rollout group size yields pronounced performance…

Real-world robotic tasks often require agents to achieve sequences of goals while respecting time-varying safety constraints. However, standard Reinforcement Learning (RL) paradigms are fundamentally limited in these settings. A natural…

机器人学 · 计算机科学 2025-12-02 Anastasios Manganaris , Vittorio Giammarino , Ahmed H. Qureshi

Offline reinforcement learning (RL) enables policy learning from fixed datasets without further environment interaction, making it particularly valuable in high-risk or costly domains. Extreme $Q$-Learning (XQL) is a recent offline RL…

机器学习 · 计算机科学 2026-04-15 Xinming Gao , Shangzhe Li , Yujin Cai , Wenwu Yu

Offline Reinforcement Learning (RL) focuses on learning policies solely from a batch of previously collected data. offering the potential to leverage such datasets effectively without the need for costly or risky active exploration. While…

机器学习 · 计算机科学 2025-06-06 Riccardo Zamboni , Enrico Brunetti , Marcello Restelli

Robustness to modeling errors and uncertainties remains a central challenge in reinforcement learning (RL). In this work, we address this challenge by leveraging diffusion models to train robust RL policies. Diffusion models have recently…

机器学习 · 计算机科学 2025-12-03 Daniele Foffano , Alessio Russo , Alexandre Proutiere

Offline reinforcement learning requires reconciling two conflicting aims: learning a policy that improves over the behavior policy that collected the dataset, while at the same time minimizing the deviation from the behavior policy so as to…

机器学习 · 计算机科学 2021-10-13 Ilya Kostrikov , Ashvin Nair , Sergey Levine

Current Reinforcement Learning (RL) is often limited by the large amount of data needed to learn a successful policy. Offline RL aims to solve this issue by using transitions collected by a different behavior policy. We address a novel…

机器学习 · 计算机科学 2024-05-29 Johannes Ackermann , Takayuki Osa , Masashi Sugiyama

Continual reinforcement learning aims to sequentially learn a variety of tasks, retaining the ability to perform previously encountered tasks while simultaneously developing new policies for novel tasks. However, current continual RL…

机器学习 · 计算机科学 2023-06-16 Shiqi Liu , Mengdi Xu , Piede Huang , Yongkang Liu , Kentaro Oguchi , Ding Zhao

Recent curriculum Reinforcement Learning (RL) has shown notable progress in solving complex tasks by proposing sequences of surrogate tasks. However, the previous approaches often face challenges when they generate curriculum goals in a…

机器学习 · 计算机科学 2023-10-27 Seungjae Lee , Daesol Cho , Jonghae Park , H. Jin Kim

Classifier free guidance has shown strong potential in diffusion-based reinforcement learning. However, existing methods rely on joint training of the guidance module and the diffusion model, which can be suboptimal during the early stages…

机器学习 · 计算机科学 2025-06-05 Zhaoyang Chen , Cody Fleming

Continual Learning (CL) requires models to sequentially adapt to new tasks without forgetting old knowledge. Recently, Low-Rank Adaptation (LoRA), a representative Parameter-Efficient Fine-Tuning (PEFT) method, has gained increasing…

机器学习 · 计算机科学 2026-05-26 Lingfeng He , De Cheng , Huaijie Wang , Xi Yang , Nannan Wang , Xinbo Gao

Due to the availability of only a few labeled instances for the novel target prediction task and the significant domain shift between the well annotated source domain and the target domain, cross-domain few-shot learning (CDFSL) induces a…

机器学习 · 计算机科学 2023-12-08 Abdullah Alchihabi , Marzi Heidari , Yuhong Guo

Sample efficiency and exploration remain critical challenges in Deep Reinforcement Learning (DRL), particularly in complex domains. Offline RL, which enables agents to learn optimal policies from static, pre-collected datasets, has emerged…

机器学习 · 计算机科学 2025-12-23 Gaurav Chaudhary , Wassim Uddin Mondal , Laxmidhar Behera

Accurate estimation of the Q-function is a central challenge in offline reinforcement learning. However, existing approaches often rely on a shared global Q-function, which is inadequate for capturing the compositional structure of tasks…

机器学习 · 计算机科学 2026-03-19 Qiushui Xu , Yuhao Huang , Yushu Jiang , Lei Song , Jinyu Wang , Wenliang Zheng , Jiang Bian

Offline reinforcement learning (RL), which seeks to learn an optimal policy using offline data, has garnered significant interest due to its potential in critical applications where online data collection is infeasible or expensive. This…

机器学习 · 计算机科学 2024-02-09 Jiin Woo , Laixi Shi , Gauri Joshi , Yuejie Chi

Diffusion models have achieved remarkable success in image generation but come with significant computational costs, posing challenges for deployment in resource-constrained environments. Recent post-training quantization (PTQ) methods have…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Dongyeun Lee , Jiwan Hur , Hyounguk Shon , Jae Young Lee , Junmo Kim

Recent works have shown the potential of diffusion models in computer vision and natural language processing. Apart from the classical supervised learning fields, diffusion models have also shown strong competitiveness in reinforcement…

机器学习 · 计算机科学 2023-06-09 Jifeng Hu , Yanchao Sun , Sili Huang , SiYuan Guo , Hechang Chen , Li Shen , Lichao Sun , Yi Chang , Dacheng Tao