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Reinforcement Learning (RL) has achieved remarkable success in sequential decision tasks. However, recent studies have revealed the vulnerability of RL policies to different perturbations, raising concerns about their effectiveness and…

机器学习 · 计算机科学 2025-07-08 Buqing Nie , Yangqing Fu , Jingtian Ji , Yue Gao

Deep neural networks (DNNs) are vulnerable to adversarial examples that are carefully designed to cause the deep learning model to make mistakes. Adversarial examples of 2D images and 3D point clouds have been extensively studied, but…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Wooju Lee , Hyun Myung

Deep neural networks have been shown to be vulnerable to adversarial examples---maliciously crafted examples that can trigger the target model to misbehave by adding imperceptible perturbations. Existing attack methods for k-nearest…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Xiaodan Li , Yuefeng Chen , Yuan He , Hui Xue

Large Language Model (LLM) agents can leverage tools such as Google Search to complete complex tasks. However, this tool usage introduces the risk of indirect prompt injections, where malicious instructions hidden in tool outputs can…

Machine learning systems based on deep neural networks (DNNs) have gained mainstream adoption in many applications. Recently, however, DNNs are shown to be vulnerable to adversarial example attacks with slight perturbations on the inputs.…

机器学习 · 计算机科学 2018-12-10 Bo Luo , Min Li , Yu Li , Qiang Xu

Due to the proliferation of renewable energy and its intrinsic intermittency and stochasticity, current power systems face severe operational challenges. Data-driven decision-making algorithms from reinforcement learning (RL) offer a…

系统与控制 · 电气工程与系统科学 2021-10-20 Alexander Pan , Yongkyun Lee , Huan Zhang , Yize Chen , Yuanyuan Shi

Meta Reinforcement Learning (MRL) enables an agent to learn from a limited number of past trajectories and extrapolate to a new task. In this paper, we attempt to improve the robustness of MRL. We build upon model-agnostic meta-learning…

机器学习 · 计算机科学 2021-04-28 Shiqi Chen , Zhengyu Chen , Donglin Wang

Deep neural networks (DNNs) are increasingly being used in a variety of traditional radiofrequency (RF) problems. Previous work has shown that while DNN classifiers are typically more accurate than traditional signal processing algorithms,…

密码学与安全 · 计算机科学 2022-02-24 Roman A. Sandler , Peter K. Relich , Cloud Cho , Sean Holloway

This paper investigates the threat of backdoors in Deep Reinforcement Learning (DRL) agent policies and proposes a novel method for their detection at runtime. Our study focuses on elusive in-distribution backdoor triggers. Such triggers…

机器学习 · 计算机科学 2024-07-23 Sanyam Vyas , Chris Hicks , Vasilios Mavroudis

Some recent works revealed that deep neural networks (DNNs) are vulnerable to so-called adversarial attacks where input examples are intentionally perturbed to fool DNNs. In this work, we revisit the DNN training process that includes…

机器学习 · 计算机科学 2018-05-15 Chang Song , Hsin-Pai Cheng , Huanrui Yang , Sicheng Li , Chunpeng Wu , Qing Wu , Hai Li , Yiran Chen

Adversarial training is exploited to develop a robust Deep Neural Network (DNN) model against the malicious altered data. These attacks may have catastrophic effects on DNN models but are indistinguishable for a human being. For example, an…

机器学习 · 计算机科学 2022-10-14 Farzad Nikfam , Alberto Marchisio , Maurizio Martina , Muhammad Shafique

Deep neural networks (DNNs) are vulnerable to adversarial examples with small perturbations. Adversarial defense thus has been an important means which improves the robustness of DNNs by defending against adversarial examples. Existing…

机器学习 · 计算机科学 2021-03-16 Jincheng Li , Jiezhang Cao , Yifan Zhang , Jian Chen , Mingkui Tan

Recent studies demonstrated the vulnerability of control policies learned through deep reinforcement learning against adversarial attacks, raising concerns about the application of such models to risk-sensitive tasks such as autonomous…

机器学习 · 计算机科学 2022-03-10 Prasanth Buddareddygari , Travis Zhang , Yezhou Yang , Yi Ren

Deep Neural Networks (DNNs) have achieved state of the art results and even outperformed human accuracy in many challenging tasks, leading to DNNs adoption in a variety of fields including natural language processing, pattern recognition,…

机器学习 · 计算机科学 2025-02-26 Mabel Ogonna , Abigail Adeniran , Adewale Adeyemo

Despite significant advancements in deep reinforcement learning (DRL)-based autonomous driving policies, these policies still exhibit vulnerability to adversarial attacks. This vulnerability poses a formidable challenge to the practical…

机器学习 · 计算机科学 2024-12-05 Junchao Fan , Xuyang Lei , Xiaolin Chang , Jelena Mišić , Vojislav B. Mišić

In deep reinforcement learning (RL), adversarial attacks can trick an agent into unwanted states and disrupt training. We propose a system called Robust Student-DQN (RS-DQN), which permits online robustness training alongside Q networks,…

机器学习 · 计算机科学 2019-11-25 Marc Fischer , Matthew Mirman , Steven Stalder , Martin Vechev

Deep neural networks (DNNs) are vulnerable to adversarial examples, which are crafted by adding imperceptible perturbations to inputs. Recently different attacks and strategies have been proposed, but how to generate adversarial examples…

机器学习 · 计算机科学 2021-01-13 Tao Bai , Jun Zhao , Jinlin Zhu , Shoudong Han , Jiefeng Chen , Bo Li , Alex Kot

Recent studies have shown that deep reinforcement learning agents are vulnerable to small adversarial perturbations on the agent's inputs, which raises concerns about deploying such agents in the real world. To address this issue, we…

机器学习 · 计算机科学 2021-11-12 Tuomas Oikarinen , Wang Zhang , Alexandre Megretski , Luca Daniel , Tsui-Wei Weng

Reinforcement learning (RL) for the Markov Decision Process (MDP) has emerged in many security-related applications, such as autonomous driving, financial decisions, and drone/robot algorithms. In order to improve the robustness/defense of…

机器学习 · 计算机科学 2025-10-16 Ziqing Lu , Lifeng Lai , Weiyu Xu

Neural networks are vulnerable to adversarial attacks -- small visually imperceptible crafted noise which when added to the input drastically changes the output. The most effective method of defending against these adversarial attacks is to…