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Recent high-capacity vision-language-action (VLA) models have demonstrated impressive performance on a range of robotic manipulation tasks by imitating human demonstrations. However, exploiting offline data with limited visited states will…

机器人学 · 计算机科学 2025-05-27 Guanxing Lu , Wenkai Guo , Chubin Zhang , Yuheng Zhou , Haonan Jiang , Zifeng Gao , Yansong Tang , Ziwei Wang

Zeroth-order (ZO, also known as derivative-free) methods, which estimate the gradient only by two function evaluations, have attracted much attention recently because of its broad applications in machine learning community. The two function…

机器学习 · 计算机科学 2021-04-12 Zhou Zhai , Bin Gu , Heng Huang

Offline Safe Reinforcement Learning (RL) seeks to address safety constraints by learning from static datasets and restricting exploration. However, these approaches heavily rely on the dataset and struggle to generalize to unseen scenarios…

机器人学 · 计算机科学 2025-03-04 Chenyang Cao , Yucheng Xin , Silang Wu , Longxiang He , Zichen Yan , Junbo Tan , Xueqian Wang

Offline reinforcement learning (RL) learns effective policies from pre-collected datasets, offering a practical solution for applications where online interactions are risky or costly. Model-based approaches are particularly advantageous…

机器学习 · 计算机科学 2026-05-14 Xuyang Chen , Keyu Yan , Guojian Wang , Lin Zhao

Modern language models (LMs) increasingly require two critical resources: computational resources and data resources. Data selection techniques can effectively reduce the amount of training data required for fine-tuning LMs. However, their…

计算与语言 · 计算机科学 2026-02-20 Hongming Li , Yang Liu , Chao Huang

Enhancing the reasoning capabilities of large language models (LLMs) typically relies on massive computational resources and extensive datasets, limiting accessibility for resource-constrained settings. Our study investigates the potential…

机器学习 · 计算机科学 2026-01-21 Quy-Anh Dang , Chris Ngo

Offline reinforcement learning (RL) provides a framework for learning decision-making from offline data and therefore constitutes a promising approach for real-world applications as automated driving. Self-driving vehicles (SDV) learn a…

机器人学 · 计算机科学 2022-06-29 Christopher Diehl , Timo Sievernich , Martin Krüger , Frank Hoffmann , Torsten Bertram

Reinforcement learning (RL) is crucial for data science decision-making but suffers from sample inefficiency, particularly in real-world scenarios with costly physical interactions. This paper introduces a novel human-inspired framework to…

机器学习 · 计算机科学 2024-03-13 Ali Beikmohammadi , Sindri Magnússon

Online decision tree learning algorithms typically examine all features of a new data point to update model parameters. We propose a novel alternative, Reinforcement Learning- based Decision Trees (RLDT), that uses Reinforcement Learning…

机器学习 · 计算机科学 2015-07-27 Abhinav Garlapati , Aditi Raghunathan , Vaishnavh Nagarajan , Balaraman Ravindran

The inverse reinforcement learning approach to imitation learning is a double-edged sword. On the one hand, it can enable learning from a smaller number of expert demonstrations with more robustness to error compounding than behavioral…

机器学习 · 计算机科学 2024-06-06 Juntao Ren , Gokul Swamy , Zhiwei Steven Wu , J. Andrew Bagnell , Sanjiban Choudhury

Instruction tuning has emerged as a critical paradigm for improving the capabilities and alignment of large language models (LLMs). However, existing iterative model-aware data selection methods incur significant computational overhead, as…

机器学习 · 计算机科学 2025-05-13 Xiaotian Lin , Yanlin Qi , Yizhang Zhu , Themis Palpanas , Chengliang Chai , Nan Tang , Yuyu Luo

Model-based reinforcement learning (MBRL) has demonstrated superior sample efficiency compared to model-free reinforcement learning (MFRL). However, the presence of inaccurate models can introduce biases during policy learning, resulting in…

机器学习 · 计算机科学 2025-03-27 Yongshuai Liu , Xin Liu

Consider mutli-goal tasks that involve static environments and dynamic goals. Examples of such tasks, such as goal-directed navigation and pick-and-place in robotics, abound. Two types of Reinforcement Learning (RL) algorithms are used for…

机器学习 · 计算机科学 2019-01-08 Vikas Dhiman , Shurjo Banerjee , Jeffrey M. Siskind , Jason J. Corso

In this paper, we study a joint detection, mapping and navigation problem for a single unmanned aerial vehicle (UAV) equipped with a low complexity radar and flying in an unknown environment. The goal is to optimize its trajectory with the…

机器人学 · 计算机科学 2020-07-23 Anna Guerra , Francesco Guidi , Davide Dardari , Petar M. Djuric

Aviation training is a core link in ensuring flight safety, improving industry efficiency and promoting sustainable development. It not only involves flight simulation but also requires the learning of a great deal of professional aviation…

人工智能 · 计算机科学 2025-06-18 Jia'ang Wan , Feng Shen , Fujuan Li , Yanjin Sun , Yan Li , Shiwen Zhang

Reinforcement learning (RL) in large or infinite state spaces is notoriously challenging, both theoretically (where worst-case sample and computational complexities must scale with state space cardinality) and experimentally (where function…

机器学习 · 计算机科学 2024-05-28 Marcel Hussing , Michael Kearns , Aaron Roth , Sikata Bela Sengupta , Jessica Sorrell

Dynamic driving scene reconstruction is critical for autonomous driving simulation and closed-loop learning. While recent feed-forward methods have shown promise for 3D reconstruction, they struggle with long-range driving sequences due to…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Kaiyuan Tan , Yingying Shen , Mingfei Tu , Haohui Zhu , Bing Wang , Guang Chen , Hangjun Ye , Haiyang Sun

This paper explores the combination of Reinforcement Learning (RL) and search-based path planners to speed up the optimization of flight paths for airliners, where in case of emergency a fast route re-calculation can be crucial. The…

人工智能 · 计算机科学 2026-02-13 Alberto Luise , Michele Lombardi , Florent Teichteil Koenigsbuch

Reinforcement learning (RL) is a powerful tool for optimal control that has found great success in Atari games, the game of Go, robotic control, and building optimization. RL is also very brittle; agents often overfit to their training…

机器学习 · 计算机科学 2023-12-19 Doseok Jang , Larry Yan , Lucas Spangher , Costas Spanos

To accomplish various tasks, safe and smooth control of unmanned aerial vehicles (UAVs) needs to be guaranteed, which cannot be met by existing ultra-reliable low latency communications (URLLC). This has attracted the attention of the…

系统与控制 · 电气工程与系统科学 2024-08-09 Wenchao Wu , Yanning Wu , Yuanqing Yang , Yansha Deng