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相关论文: Beyond the Majority: Long-tail Imitation Learning …

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The success of deep learning depends heavily on the availability of large datasets, but in robotic manipulation there are many learning problems for which such datasets do not exist. Collecting these datasets is time-consuming and…

机器人学 · 计算机科学 2022-07-21 Peter Mitrano , Dmitry Berenson

This paper considers learning deep features from long-tailed data. We observe that in the deep feature space, the head classes and the tail classes present different distribution patterns. The head classes have a relatively large spatial…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Jialun Liu , Yifan Sun , Chuchu Han , Zhaopeng Dou , Wenhui Li

Skeleton-based action recognition has recently made significant progress. However, data imbalance is still a great challenge in real-world scenarios. The performance of current action recognition algorithms declines sharply when training…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Hongda Liu , Yunlong Wang , Min Ren , Junxing Hu , Zhengquan Luo , Guangqi Hou , Zhenan Sun

While Vision-Language-Action (VLA) models offer broad general capabilities, deploying them on specific hardware requires real-world adaptation to bridge the embodiment gap. Since robot demonstrations are costly, this adaptation must often…

机器人学 · 计算机科学 2026-05-11 Yanzhe Chen , Kevin Yuchen Ma , Qi Lv , Yiqi Lin , Zechen Bai , Chen Gao , Mike Zheng Shou

In the context of long-tail classification on graphs, the vast majority of existing work primarily revolves around the development of model debiasing strategies, intending to mitigate class imbalances and enhance the overall performance.…

机器学习 · 计算机科学 2024-06-03 Haohui Wang , Baoyu Jing , Kaize Ding , Yada Zhu , Wei Cheng , Si Zhang , Yonghui Fan , Liqing Zhang , Dawei Zhou

Learning long-horizon manipulation tasks efficiently is a central challenge in robot learning from demonstration. Unlike recent endeavors that focus on directly learning the task in the action domain, we focus on inferring what the robot…

机器人学 · 计算机科学 2026-02-20 Adrian Röfer , Nick Heppert , Abhinav Valada

Biological agents learn and act intelligently in spite of a highly limited capacity to process and store information. Many real-world problems involve continuous control, which represents a difficult task for artificial intelligence agents.…

机器学习 · 计算机科学 2025-05-16 Tailia Malloy , Chris R. Sims , Tim Klinger , Miao Liu , Matthew Riemer , Gerald Tesauro

The generalization gap in reinforcement learning (RL) has been a significant obstacle that prevents the RL agent from learning general skills and adapting to varying environments. Increasing the generalization capacity of the RL systems can…

机器学习 · 计算机科学 2021-12-06 Hanping Zhang , Yuhong Guo

Active learning (AL) is a widely-used training strategy for maximizing predictive performance subject to a fixed annotation budget. In AL one iteratively selects training examples for annotation, often those for which the current model is…

机器学习 · 计算机科学 2019-11-05 David Lowell , Zachary C. Lipton , Byron C. Wallace

Proprioceptive information is critical for precise servo control by providing real-time robotic states. Its collaboration with vision is highly expected to enhance performances of the manipulation policy in complex tasks. However, recent…

机器人学 · 计算机科学 2026-02-13 Jingxian Lu , Wenke Xia , Yuxuan Wu , Zhiwu Lu , Di Hu

Reinforcement Learning (RL) has emerged as the key driver for post-training complex reasoning in Large Language Models (LLMs), yet online RL introduces significant instability and computational overhead. Offline RL offers a compelling…

计算与语言 · 计算机科学 2026-04-06 Minjae Oh , Yunho Choi , Dongmin Choi , Yohan Jo

Optimal Control for legged robots has gone through a paradigm shift from position-based to torque-based control, owing to the latter's compliant and robust nature. In parallel to this shift, the community has also turned to Deep…

机器人学 · 计算机科学 2024-09-04 Shivam Sood , Ge Sun , Peizhuo Li , Guillaume Sartoretti

While the rapid progress of deep learning fuels end-to-end reinforcement learning (RL), direct application, especially in high-dimensional space like robotic scenarios still suffers from low sample efficiency. Therefore State Representation…

The ability to learn from large batches of autonomously collected data for policy improvement -- a paradigm we refer to as batch online reinforcement learning -- holds the promise of enabling truly scalable robot learning by significantly…

机器人学 · 计算机科学 2025-05-14 Perry Dong , Suvir Mirchandani , Dorsa Sadigh , Chelsea Finn

One of the goals of natural language understanding is to develop models that map sentences into meaning representations. However, training such models requires expensive annotation of complex structures, which hinders their adoption.…

计算与语言 · 计算机科学 2019-10-08 Omri Koshorek , Gabriel Stanovsky , Yichu Zhou , Vivek Srikumar , Jonathan Berant

The goal of offline reinforcement learning is to learn a policy from a fixed dataset, without further interactions with the environment. This setting will be an increasingly more important paradigm for real-world applications of…

机器人学 · 计算机科学 2020-11-17 Wenxuan Zhou , Sujay Bajracharya , David Held

A significant challenge in achieving ubiquitous Artificial Intelligence is the limited ability of models to rapidly learn new information in real-world scenarios where data follows long-tailed distributions, all while avoiding forgetting…

机器学习 · 计算机科学 2024-04-09 Siddeshwar Raghavan , Jiangpeng He , Fengqing Zhu

Real-world training data usually exhibits long-tailed distribution, where several majority classes have a significantly larger number of samples than the remaining minority classes. This imbalance degrades the performance of typical…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Shuang Li , Kaixiong Gong , Chi Harold Liu , Yulin Wang , Feng Qiao , Xinjing Cheng

In robotics, it is often not possible to learn useful policies using pure model-free reinforcement learning without significant reward shaping or curriculum learning. As a consequence, many researchers rely on expert demonstrations to guide…

机器人学 · 计算机科学 2021-04-20 Ondrej Biza , Dian Wang , Robert Platt , Jan-Willem van de Meent , Lawson L. S. Wong

The specification of the action space plays a pivotal role in imitation-based robotic manipulation policy learning, fundamentally shaping the optimization landscape of policy learning. While recent advances have focused heavily on scaling…

机器人学 · 计算机科学 2026-04-24 Yuchun Feng , Jinliang Zheng , Zhihao Wang , Dongxiu Liu , Jianxiong Li , Jiangmiao Pang , Tai Wang , Xianyuan Zhan