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Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

机器学习 · 计算机科学 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Anomaly detection in supercomputers is a very difficult problem due to the big scale of the systems and the high number of components. The current state of the art for automated anomaly detection employs Machine Learning methods or…

机器学习 · 计算机科学 2020-07-30 Andrea Borghesi , Andrea Bartolini , Michele Lombardi , Michela Milano , Luca Benini

Network attacks have been very prevalent as their rate is growing tremendously. Both organization and individuals are now concerned about their confidentiality, integrity and availability of their critical information which are often…

机器学习 · 计算机科学 2020-08-07 MohammadNoor Injadat , Fadi Salo , Ali Bou Nassif , Aleksander Essex , Abdallah Shami

We propose a robust method to identify anomalous jets by vetoing QCD-jets. The robustness of this method ensures that the distribution of the proposed discriminating variable (which allows us to veto QCD-jets) remains unaffected by the…

高能物理 - 唯象学 · 物理学 2020-08-11 Tuhin S. Roy , Aravind H. Vijay

With the support of Internet of Things (IoT) devices, it is possible to acquire data from degradation phenomena and design data-driven models to perform anomaly detection in industrial equipment. This approach not only identifies potential…

In this paper, we explore various statistical techniques for anomaly detection in conjunction with the popular Long Short-Term Memory (LSTM) deep learning model for transportation networks. We obtain the prediction errors from an LSTM…

机器学习 · 计算机科学 2019-09-16 Neema Davis , Gaurav Raina , Krishna Jagannathan

Anomaly detection with convolutional autoencoders is a popular method to search for new physics in a model-agnostic manner. These techniques are powerful, but they are still a "black box," since we do not know what high-level physical…

高能物理 - 唯象学 · 物理学 2022-09-13 Layne Bradshaw , Spencer Chang , Bryan Ostdiek

Introducing Internet traffic anomaly detection mechanism based on large deviations results for empirical measures. Using past traffic traces we characterize network traffic during various time-of-day intervals, assuming that it is…

网络与互联网体系结构 · 计算机科学 2013-08-27 A. S. Syed Navaz , S. Gopalakrishnan , R. Meena

On-line detection of anomalies in time series is a key technique used in various event-sensitive scenarios such as robotic system monitoring, smart sensor networks and data center security. However, the increasing diversity of data sources…

机器学习 · 计算机科学 2021-04-26 Wentai Wu , Ligang He , Weiwei Lin , Yi Su , Yuhua Cui , Carsten Maple , Stephen Jarvis

Most classification algorithms used in high energy physics fall under the category of supervised machine learning. Such methods require a training set containing both signal and background events and are prone to classification errors…

数据分析、统计与概率 · 物理学 2015-06-03 Mikael Kuusela , Tommi Vatanen , Eric Malmi , Tapani Raiko , Timo Aaltonen , Yoshikazu Nagai

The detection of contextual anomalies is a challenging task for surveillance since an observation can be considered anomalous or normal in a specific environmental context. An unmanned aerial vehicle (UAV) can utilize its aerial monitoring…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Ilker Bozcan , Erdal Kayacan

Anomaly detection in complex dynamical systems is essential for ensuring reliability, safety, and efficiency in industrial and cyber-physical infrastructures. Predictive maintenance helps prevent costly failures, while cybersecurity…

机器学习 · 计算机科学 2025-09-25 Michael Somma , Thomas Gallien , Branka Stojanovic

The inability of state-of-the-art semantic segmentation methods to detect anomaly instances hinders them from being deployed in safety-critical and complex applications, such as autonomous driving. Recent approaches have focused on either…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Giancarlo Di Biase , Hermann Blum , Roland Siegwart , Cesar Cadena

Anomaly detection is a longstanding and active research area that has many applications in domains such as finance, security, and manufacturing. However, the efficiency and performance of anomaly detection algorithms are challenged by the…

机器学习 · 计算机科学 2025-04-16 Yang Cao , Haolong Xiang , Hang Zhang , Ye Zhu , Kai Ming Ting

In this paper, we propose a novel method for video anomaly detection motivated by an existing architecture for sequence-to-sequence prediction and reconstruction using a spatio-temporal convolutional Long Short-Term Memory (convLSTM). As in…

计算机视觉与模式识别 · 计算机科学 2022-05-19 Hanh Thi Minh Tran , David Hogg

Detection of anomalous trajectories is an important problem with potential applications to various domains, such as video surveillance, risk assessment, vessel monitoring and high-energy physics. Modeling the distribution of trajectories…

Resonant anomaly detection is a promising framework for model-independent searches for new particles. Weakly supervised resonant anomaly detection methods compare data with a potential signal against a template of the Standard Model (SM)…

高能物理 - 唯象学 · 物理学 2023-06-16 Tobias Golling , Samuel Klein , Radha Mastandrea , Benjamin Nachman

Generative adversarial networks are a class of generative algorithms that have been widely used to produce state-of-the-art samples. In this paper, we investigate GAN to perform anomaly detection on time series dataset. In order to achieve…

机器学习 · 统计学 2018-12-12 Ilyass Haloui , Jayant Sen Gupta , Vincent Feuillard

With the high requirements of automation in the era of Industry 4.0, anomaly detection plays an increasingly important role in higher safety and reliability in the production and manufacturing industry. Recently, autoencoders have been…

机器学习 · 计算机科学 2021-03-09 Yiwen Liao , Alexander Bartler , Bin Yang

This paper explores the use of a Bayesian non-parametric topic modeling technique for the purpose of anomaly detection in video data. We present results from two experiments. The first experiment shows that the proposed technique is…

计算机视觉与模式识别 · 计算机科学 2016-02-17 Yogesh Girdhar , Walter Cho , Matthew Campbell , Jesus Pineda , Elizabeth Clarke , Hanumant Singh