中文
相关论文

相关论文: GDFlow: Anomaly Detection with NCDE-based Normaliz…

200 篇论文

Anomaly detection in complex, high-dimensional data, such as UAV sensor readings, is essential for operational safety but challenging for existing methods due to their limited sensitivity, scalability, and inability to capture intricate…

机器学习 · 计算机科学 2025-10-28 Mingze Gong , Juan Du , Jianbang You

Detecting anomalies on network traffic is a complex task due to the massive amount of traffic flows in today's networks, as well as the highly-dynamic nature of traffic over time. In this paper, we propose the use of Graph Neural Networks…

机器学习 · 计算机科学 2023-12-12 Hamid Latif-Martínez , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

The vehicular connectivity revolution is fueling the automotive industry's most significant transformation seen in decades. However, as modern vehicles become more connected, they also become much more vulnerable to cyber-attacks. In this…

密码学与安全 · 计算机科学 2017-11-09 Matan Levi , Yair Allouche , Aryeh Kontorovich

In this paper we propose a novel observer-based method for anomaly detection in connected and automated vehicles (CAVs). The proposed method utilizes an augmented extended Kalman filter (AEKF) to smooth sensor readings of a CAV based on a…

机器人学 · 计算机科学 2021-02-26 Yiyang Wang , Neda Masoud , Anahita Khojandi

Anomaly detection in complex domains poses significant challenges due to the need for extensive labeled data and the inherently imbalanced nature of anomalous versus benign samples. Graph-based machine learning models have emerged as a…

机器学习 · 计算机科学 2025-07-21 Yifan Wei , Anwar Said , Waseem Abbas , Xenofon Koutsoukos

Consumer electronics (CE) connected to the Internet of Things are susceptible to various attacks, including DDoS and web-based threats, which can compromise their functionality and facilitate remote hijacking. These vulnerabilities allow…

密码学与安全 · 计算机科学 2026-03-03 Guan-Yan Yang , Farn Wang , Kuo-Hui Yeh

We present the first implementation of a Continuous Normalizing Flow (CNF) model for unsupervised anomaly detection within the realistic, high-rate environment of the Large Hadron Collider's L1 trigger systems. While CNFs typically define…

Cooperation between temporal convolutional networks (TCN) and graph convolutional networks (GCN) as a processing module has shown promising results in skeleton-based video anomaly detection (SVAD). However, to maintain a lightweight model…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Ruituo Wu , Yang Chen , Jian Xiao , Bing Li , Jicong Fan , Frédéric Dufaux , Ce Zhu , Yipeng Liu

With their widespread popularity, web services have become the main targets of various cyberattacks. Existing traffic anomaly detection approaches focus on flow-level attacks, yet fail to recognize behavior-level attacks, which appear…

密码学与安全 · 计算机科学 2025-11-10 Zhibo Dong , Yong Huang , Shubao Sun , Wentao Cui , Zhihua Wang

With the growing complexity of cyberattacks targeting critical infrastructures such as water treatment networks, there is a pressing need for robust anomaly detection strategies that account for both system vulnerabilities and evolving…

机器学习 · 计算机科学 2025-08-14 Arun Vignesh Malarkkan , Haoyue Bai , Dongjie Wang , Yanjie Fu

The presence of concept drift poses challenges for anomaly detection in time series. While anomalies are caused by undesirable changes in the data, differentiating abnormal changes from varying normal behaviours is difficult due to…

数据库 · 计算机科学 2025-07-01 Jongjun Park , Fei Chiang , Mostafa Milani

A Normalizing Flow computes a bijective mapping from an arbitrary distribution to a predefined (e.g. normal) distribution. Such a flow can be used to address different tasks, e.g. anomaly detection, once such a mapping has been learned. In…

量子物理 · 物理学 2024-07-23 Bodo Rosenhahn , Christoph Hirche

Graph anomaly detection (GAD) aims to identify abnormal nodes that differ from the majority of the nodes in a graph, which has been attracting significant attention in recent years. Existing generalist graph models have achieved remarkable…

机器学习 · 计算机科学 2025-06-03 Hezhe Qiao , Chaoxi Niu , Ling Chen , Guansong Pang

An anomaly detection method based on deep autoencoders is proposed to address anomalies that often occur in enterprise-level ETL data streams. The study first analyzes multiple types of anomalies in ETL processes, including delays, missing…

机器学习 · 计算机科学 2025-11-04 Xin Chen , Saili Uday Gadgil , Kangning Gao , Yi Hu , Cong Nie

Many real-world scenarios involving streaming information can be represented as temporal graphs, where data flows through dynamic changes in edges over time. Anomaly detection in this context has the objective of identifying unusual…

机器学习 · 计算机科学 2025-12-01 Simone Mungari , Albert Bifet , Giuseppe Manco , Bernhard Pfahringer

With the wide application of IoT and industrial IoT technologies, the network structure is becoming more and more complex, and the traffic scale is growing rapidly, which makes the traditional security protection mechanism face serious…

计算机与社会 · 计算机科学 2025-04-25 Qiuyan Xiang , Shuang Wu , Dongze Wu , Yuxin Liu , Zhenkai Qin

Advanced Driver Assistance Systems (ADAS) and Advanced Driving Systems (ADS) are key to improving road safety, yet most existing implementations focus primarily on the vehicle ahead, neglecting the behavior of following vehicles. This…

机器人学 · 计算机科学 2025-04-29 Dianwei Chen , Yaobang Gong , Xianfeng Yang

Distracted drivers are more likely to fail to anticipate hazards, which result in car accidents. Therefore, detecting anomalies in drivers' actions (i.e., any action deviating from normal driving) contains the utmost importance to reduce…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Okan Köpüklü , Jiapeng Zheng , Hang Xu , Gerhard Rigoll

Advanced driving-assistance systems (ADAS) are intended to automatize driver tasks, as well as improve driving and vehicle safety. This work proposes an intelligent neuro-fuzzy sensor for driving style (DS) recognition, suitable for ADAS…

机器人学 · 计算机科学 2025-01-28 Óscar Mata-Carballeira , Jon Gutiérrez-Zaballa , Inés del Campo , Victoria Martínez

Vehicle anomaly detection plays a vital role in highway safety applications such as accident prevention, rapid response, traffic flow optimization, and work zone safety. With the surge of the Internet of Things (IoT) in recent years, there…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Vinit Katariya , Fatema-E- Jannat , Armin Danesh Pazho , Ghazal Alinezhad Noghre , Hamed Tabkhi