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Recent advancements in deep reinforcement learning (RL) have demonstrated notable progress in sample efficiency, spanning both model-based and model-free paradigms. Despite the identification and mitigation of specific bottlenecks in prior…

Machine Learning · Computer Science 2024-04-02 Yibo Wang , Jiang Zhao

Safe exploration is a key requirement for reinforcement learning (RL) agents to learn and adapt online, beyond controlled (e.g. simulated) environments. In this work, we tackle this challenge by utilizing suboptimal yet conservative…

Machine Learning · Computer Science 2026-02-10 Manuel Wendl , Yarden As , Manish Prajapat , Anton Pollak , Stelian Coros , Andreas Krause

Symbolic regression (SR) -- which learns symbolic equations to describe the underlying relation from input-output pairs -- is widely used for scientific discovery. However, a rich set of scientific data from the real world (e.g., particle…

Symbolic Computation · Computer Science 2025-05-07 Kuang Yufei , Wang Jie , Huang Haotong , Ye Mingxuan , Zhu Fangzhou , Li Xijun , Hao Jianye , Wu Feng

This paper presents a Pre-Training Deep Reinforcement Learning(DRL) for avoidance navigation without map for mobile robots which map raw sensor data to control variable and navigate in an unknown environment. The efficient offline training…

Robotics · Computer Science 2023-08-04 Yang Wenkai Ji Ruihang Zhang Yuxiang Lei Hao , Zhao Zijie

Offline Reinforcement Learning (ORL) enablesus to separately study the two interlinked processes of reinforcement learning: collecting informative experience and inferring optimal behaviour. The second step has been widely studied in the…

Incorporating prior data into online reinforcement learning accelerates training but typically forces a difficult trade-off between high computational costs and long, multi-stage training pipelines. While fixed-length stabilization phases…

Machine Learning · Computer Science 2026-05-21 Carlo Romeo , Girolamo Macaluso , Alessandro Sestini , Andrew D. Bagdanov

Recently, the self-supervised pre-training paradigm has shown great potential in leveraging large-scale unlabeled data to improve downstream task performance. However, increasing the scale of unlabeled pre-training data in real-world…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Yiqi Lin , Huabin Zheng , Huaping Zhong , Jinjing Zhu , Weijia Li , Conghui He , Lin Wang

Semi-supervised learning leverages unlabeled data to enhance model performance, addressing the limitations of fully supervised approaches. Among its strategies, pseudo-supervision has proven highly effective, typically relying on one or…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Negin Ghamsarian , Sahar Nasirihaghighi , Klaus Schoeffmann , Raphael Sznitman

Skills or low-level policies in reinforcement learning are temporally extended actions that can speed up learning and enable complex behaviours. Recent work in offline reinforcement learning and imitation learning has proposed several…

Machine Learning · Computer Science 2022-06-24 Valentin Villecroze , Harry J. Braviner , Panteha Naderian , Chris J. Maddison , Gabriel Loaiza-Ganem

Enabling robots to learn novel visuomotor skills in a data-efficient manner remains an unsolved problem with myriad challenges. A popular paradigm for tackling this problem is through leveraging large unlabeled datasets that have many…

Robotics · Computer Science 2023-05-16 Maximilian Du , Suraj Nair , Dorsa Sadigh , Chelsea Finn

Self-training, a semi-supervised learning algorithm, leverages a large amount of unlabeled data to improve learning when the labeled data are limited. Despite empirical successes, its theoretical characterization remains elusive. To the…

Machine Learning · Computer Science 2022-02-15 Shuai Zhang , Meng Wang , Sijia Liu , Pin-Yu Chen , Jinjun Xiong

Reinforcement learning (RL) with diverse offline datasets can have the advantage of leveraging the relation of multiple tasks and the common skills learned across those tasks, hence allowing us to deal with real-world complex problems…

Machine Learning · Computer Science 2024-08-29 Minjong Yoo , Sangwoo Cho , Honguk Woo

RUL estimation suffers from a server data imbalance where data from machines near their end of life is rare. Additionally, the data produced by a machine can only be labeled after the machine failed. Semi-Supervised Learning (SSL) can…

Machine Learning · Computer Science 2021-08-27 Tilman Krokotsch , Mirko Knaak , Clemens Gühmann

One paradigm for learning from few labeled examples while making best use of a large amount of unlabeled data is unsupervised pretraining followed by supervised fine-tuning. Although this paradigm uses unlabeled data in a task-agnostic way,…

Machine Learning · Computer Science 2020-10-27 Ting Chen , Simon Kornblith , Kevin Swersky , Mohammad Norouzi , Geoffrey Hinton

In online advertising, advertisers participate in ad auctions to acquire ad opportunities, often by utilizing auto-bidding tools provided by demand-side platforms (DSPs). The current auto-bidding algorithms typically employ reinforcement…

Machine Learning · Computer Science 2024-04-09 Haoming Li , Yusen Huo , Shuai Dou , Zhenzhe Zheng , Zhilin Zhang , Chuan Yu , Jian Xu , Fan Wu

Learning-based vehicle planning is receiving increasing attention with the emergence of diverse driving simulators and large-scale driving datasets. While offline reinforcement learning (RL) is well suited for these safety-critical tasks,…

Robotics · Computer Science 2023-11-20 Zenan Li , Fan Nie , Qiao Sun , Fang Da , Hang Zhao

In order to train robust deep learning models, large amounts of labelled data is required. However, in the absence of such large repositories of labelled data, unlabeled data can be exploited for the same. Semi-Supervised learning aims to…

Machine Learning · Computer Science 2021-07-20 Soumyadeep Ghosh , Sanjay Kumar , Janu Verma , Awanish Kumar

Semi-supervised learning (SSL) alleviates the cost of data labeling process by exploiting unlabeled data and has achieved promising results. Meanwhile, with the development of large foundation models, exploiting pre-trained models becomes a…

Machine Learning · Computer Science 2025-10-28 Song-Lin Lv , Rui Zhu , Tong Wei , Yu-Feng Li , Lan-Zhe Guo

Inspired by recent developments regarding the application of self-supervised learning (SSL), we devise an auxiliary task for trajectory prediction that takes advantage of map-only information such as graph connectivity with the intent of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Caio Azevedo , Thomas Gilles , Stefano Sabatini , Dzmitry Tsishkou

With the increasing availability of data for Prognostics and Health Management (PHM), Deep Learning (DL) techniques are now the subject of considerable attention for this application, often achieving more accurate Remaining Useful Life…

Machine Learning · Statistics 2023-01-25 Anass Akrim , Christian Gogu , Rob Vingerhoeds , Michel Salaün