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Unsupervised tabular anomaly detection methods typically learn feature patterns from normal samples during training and subsequently identify samples that deviate from these patterns as anomalies during testing. However, in practical…

机器学习 · 计算机科学 2026-05-12 Wei Huang , Hezhe Qiao , Kailai Zhang , Zaisheng Ye , Yu-Ming Shang , Xiangling Fu

Recent works on domain adaptation exploit adversarial training to obtain domain-invariant feature representations from the joint learning of feature extractor and domain discriminator networks. However, domain adversarial methods render…

计算机视觉与模式识别 · 计算机科学 2019-10-15 Seungmin Lee , Dongwan Kim , Namil Kim , Seong-Gyun Jeong

Off-policy learning allows us to learn about possible policies of behavior from experience generated by a different behavior policy. Temporal difference (TD) learning algorithms can become unstable when combined with function approximation…

机器学习 · 计算机科学 2021-06-23 Ray Jiang , Tom Zahavy , Zhongwen Xu , Adam White , Matteo Hessel , Charles Blundell , Hado van Hasselt

In this paper, We Apply Reinforcement learning (RL) techniques to train a realistic biomechanical model to work with different people and on different walking environments. We benchmarking 3 RL algorithms: Deep Deterministic Policy Gradient…

人工智能 · 计算机科学 2019-01-16 Montaser Mohammedalamen , Waleed D. Khamies , Benjamin Rosman

In this paper, scanning for target detection, and multi-target tracking in a cognitive radar system are considered, and adaptive radar resource management is investigated. In particular, time management for radar scanning and tracking of…

信号处理 · 电气工程与系统科学 2025-07-08 Ziyang Lu , M. Cenk Gursoy , Chilukuri K. Mohan , Pramod K. Varshney

Test-Time Adaptation (TTA) offers a practical solution for deploying image segmentation models under domain shift without accessing source data or retraining. Among existing TTA strategies, pseudo-label-based methods have shown promising…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Jianghao Wu , Xiangde Luo , Yubo Zhou , Lianming Wu , Guotai Wang , Shaoting Zhang

This paper presents how learning experience influences students' capability to learn and their motivation for learning. Although each student is different, standard instruction methods do not adapt to individuals. Adaptive learning reverses…

密码学与安全 · 计算机科学 2022-01-06 Pavel Seda , Jan Vykopal , Valdemar Švábenský , Pavel Čeleda

Assessing the safety of autonomous driving (AD) systems against security threats, particularly backdoor attacks, is a stepping stone for real-world deployment. However, existing works mainly focus on pixel-level triggers that are…

密码学与安全 · 计算机科学 2025-10-14 Xuan Chen , Shiwei Feng , Zikang Xiong , Shengwei An , Yunshu Mao , Lu Yan , Guanhong Tao , Wenbo Guo , Xiangyu Zhang

Reinforcement learning (RL) has achieved remarkable success in fields like robotics and autonomous driving, but adversarial attacks designed to mislead RL systems remain challenging. Existing approaches often rely on modifying the…

机器学习 · 计算机科学 2025-07-25 Junyong Jiang , Buwei Tian , Chenxing Xu , Songze Li , Lu Dong

Large language models (LLMs) can often be made to behave in undesirable ways that they are explicitly fine-tuned not to. For example, the LLM red-teaming literature has produced a wide variety of 'jailbreaking' techniques to elicit harmful…

Low rank adaptation (LoRA) has emerged as a prominent technique for fine-tuning large language models (LLMs) thanks to its superb efficiency gains over previous methods. While extensive studies have examined the performance and structural…

机器学习 · 计算机科学 2025-05-20 Zi Liang , Haibo Hu , Qingqing Ye , Yaxin Xiao , Ronghua Li

Autonomous vehicle (AV) evaluation has been the subject of increased interest in recent years both in industry and in academia. This paper focuses on the development of a novel framework for generating adversarial driving behavior of…

人工智能 · 计算机科学 2023-10-17 Zhen Liu , Hang Gao , Hao Ma , Shuo Cai , Yunfeng Hu , Ting Qu , Hong Chen , Xun Gong

Deep neural networks are highly vulnerable to adversarial examples, i.e.,small perturbations that can significantly degrade model performance. While adversarial training has become the primary defense strategy, most studies focus on…

机器学习 · 计算机科学 2026-05-14 Lilin Zhang , Yimo Guo , Yue Li , Jiancheng Shi , Xianggen Liu

Tasks that involve interaction with various targets are called multi-target tasks. When applying general reinforcement learning approaches for such tasks, certain targets that are difficult to access or interact with may be neglected…

机器学习 · 计算机科学 2023-05-24 Kibeom Kim , Hyundo Lee , Min Whoo Lee , Moonheon Lee , Minsu Lee , Byoung-Tak Zhang

Temporal difference (TD) methods constitute a class of methods for learning predictions in multi-step prediction problems, parameterized by a recency factor lambda. Currently the most important application of these methods is to temporal…

人工智能 · 计算机科学 2008-02-03 P. Cichosz

Large transformer models trained on diverse datasets have shown a remarkable ability to learn in-context, achieving high few-shot performance on tasks they were not explicitly trained to solve. In this paper, we study the in-context…

机器学习 · 计算机科学 2023-06-27 Jonathan N. Lee , Annie Xie , Aldo Pacchiano , Yash Chandak , Chelsea Finn , Ofir Nachum , Emma Brunskill

As reinforcement learning (RL) deployments expand into safety-critical domains, existing evaluation methods fail to systematically identify hazards arising from the black-box nature of neural network enabled policies and distributional…

Reinforcement Learning (RL) algorithms have led to recent successes in solving complex games, such as Atari or Starcraft, and to a huge impact in real-world applications, such as cybersecurity or autonomous driving. In the side of the…

机器学习 · 计算机科学 2021-02-15 Rubén Majadas , Javier García , Fernando Fernández

Fully Test-Time Adaptation (TTA), which aims at adapting models to data drifts, has recently attracted wide interest. Numerous tricks and techniques have been proposed to ensure robust learning on arbitrary streams of unlabeled data.…

机器学习 · 计算机科学 2023-11-13 Saypraseuth Mounsaveng , Florent Chiaroni , Malik Boudiaf , Marco Pedersoli , Ismail Ben Ayed

Test-time adaptation (TTA) has increasingly been an important topic to efficiently tackle the cross-domain distribution shift at test time for medical images from different institutions. Previous TTA methods have a common limitation of…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Hongzheng Yang , Cheng Chen , Meirui Jiang , Quande Liu , Jianfeng Cao , Pheng Ann Heng , Qi Dou