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Source-free domain adaptation (SFDA) is a challenging task that tackles domain shifts using only a pre-trained source model and unlabeled target data. Existing SFDA methods are restricted by the fundamental limitation of source-target…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Yuyang Huang , Yabo Chen , Junyu Zhou , Wenrui Dai , Xiaopeng Zhang , Junni Zou , Hongkai Xiong , Qi Tian

In response to Distributed Denial of Service (DDoS) attacks, recent research efforts increasingly rely on Machine Learning (ML)-based solutions, whose effectiveness largely depends on the quality of labeled training datasets. To address the…

网络与互联网体系结构 · 计算机科学 2026-03-24 Gongli Xi , Ye Tian , Yannan Hu , Yuchao Zhang , Yapeng Niu , Xiangyang Gong

The controllable generation of diffusion models aims to steer the model to generate samples that optimize some given objective functions. It is desirable for a variety of applications including image generation, molecule generation, and…

机器学习 · 计算机科学 2025-05-29 Owen Oertell , Shikun Sun , Yiding Chen , Jin Peng Zhou , Zhiyong Wang , Wen Sun

In recent years, diffusion models have achieved remarkable success in the realm of high-quality image generation, garnering increased attention. This surge in interest is paralleled by a growing concern over the security threats associated…

机器学习 · 计算机科学 2024-06-04 Sen Li , Junchi Ma , Minhao Cheng

It is possible to launch undetectable load-redistribution (LR) attacks against power systems, even in systems with protection schemes. Therefore, detecting LR attacks in power systems and establishing a corrective action to provide secured…

系统与控制 · 电气工程与系统科学 2020-10-02 Ramin Kaviani , Kory W. Hedman

Recent work on latent diffusion models (LDMs) has focused almost exclusively on generative tasks, leaving their potential for discriminative transfer largely unexplored. We introduce Discriminative Vicinity Diffusion (DVD), a novel…

机器学习 · 计算机科学 2025-11-13 Jing Wang , Wonho Bae , Jiahong Chen , Wenxu Wang , Junhyug Noh

Social recommendation has emerged as a powerful approach to enhance personalized recommendations by leveraging the social connections among users, such as following and friend relations observed in online social platforms. The fundamental…

信息检索 · 计算机科学 2024-06-05 Zongwei Li , Lianghao Xia , Chao Huang

Distributed Denial of Service (DDoS) attack is a malicious attempt to disrupt the normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.…

密码学与安全 · 计算机科学 2022-04-22 Aman Priyanshu , Sarthak Shastri , Sai Sravan Medicherla

In this paper, an analytical model for DDoS attacks detection is proposed, in which propagation of abrupt traffic changes inside public domain is monitored to detect a wide range of DDoS attacks. Although, various statistical measures can…

密码学与安全 · 计算机科学 2012-04-26 B. B. Gupta , R. C. Joshi , Manoj Misra

Diffusion models (DMs) have emerged as a promising approach for behavior cloning (BC). Diffusion policies (DP) based on DMs have elevated BC performance to new heights, demonstrating robust efficacy across diverse tasks, coupled with their…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Yipu Chen , Haotian Xue , Yongxin Chen

In recent years Deep Neural Networks (DNNs) have achieved remarkable results and even showed super-human capabilities in a broad range of domains. This led people to trust in DNNs' classifications and resulting actions even in…

密码学与安全 · 计算机科学 2020-12-14 Philip Sperl , Ching-Yu Kao , Peng Chen , Konstantin Böttinger

Cross-Domain Sequential Recommendation (CDSR) leverages user behaviors across domains to enhance recommendation quality. However, naive aggregation of sequential signals can introduce conflicting domain-specific preferences, leading to…

信息检索 · 计算机科学 2025-09-12 Xiaoxin Ye , Chengkai Huang , Hongtao Huang , Lina Yao

Diffusion and flow models achieve State-Of-The-Art (SOTA) generative performance, yet many practically important behaviors such as fine-grained prompt fidelity, compositional correctness, and text rendering are weakly specified by score or…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yuanzhi Zhu , Xi Wang , Stéphane Lathuilière , Vicky Kalogeiton

Many existing adversarial attacks generate $L_p$-norm perturbations on image RGB space. Despite some achievements in transferability and attack success rate, the crafted adversarial examples are easily perceived by human eyes. Towards…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Jianqi Chen , Hao Chen , Keyan Chen , Yilan Zhang , Zhengxia Zou , Zhenwei Shi

Misleading newsletters can shape individuals' perceptions, and pose a threat to societies; as we witnessed by lowering the severity of follow-up stay-at-home orders and burdening a significant challenge to the fight against COVID-19. In…

物理与社会 · 物理学 2024-12-23 Lucila G. Alvarez-Zuzek , Lucio La Cava , Jelena Grujic , Riccardo Gallotti

Malicious crowdsourcing forums are gaining traction as sources of spreading misinformation online, but are limited by the costs of hiring and managing human workers. In this paper, we identify a new class of attacks that leverage deep…

密码学与安全 · 计算机科学 2017-09-11 Yuanshun Yao , Bimal Viswanath , Jenna Cryan , Haitao Zheng , Ben Y. Zhao

Deep neural networks (DNNs) are susceptible to adversarial examples, which introduce imperceptible perturbations to benign samples, deceiving DNN predictions. While some attack methods excel in the white-box setting, they often struggle in…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Jiayang Liu , Siyu Zhu , Siyuan Liang , Jie Zhang , Han Fang , Weiming Zhang , Ee-Chien Chang

Federated Distillation (FD) offers an innovative approach to distributed machine learning, leveraging knowledge distillation for efficient and flexible cross-device knowledge transfer without necessitating the upload of extensive model…

机器学习 · 计算机科学 2024-07-26 Yuhan Tang , Aoxu Zhang , Zhiyuan Wu , Bo Gao , Tian Wen , Yuwei Wang , Sheng Sun

Given the inherent non-stationarity prevalent in real-world applications, continual Reinforcement Learning (RL) aims to equip the agent with the capability to address a series of sequentially presented decision-making tasks. Within this…

机器学习 · 计算机科学 2024-11-19 Feng Chen , Fuguang Han , Cong Guan , Lei Yuan , Zhilong Zhang , Yang Yu , Zongzhang Zhang

Recent advances in offline Reinforcement Learning (RL) have proven that effective policy learning can benefit from imposing conservative constraints on pre-collected datasets. However, such static datasets often exhibit distribution bias,…

机器学习 · 计算机科学 2026-05-15 Yunpeng Qing , Yixiao Chi , Shuo Chen , Shunyu Liu , Kexuan Zhou , Sixu Lin , Litao Liu , Changqing Zou