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Machine learning is often viewed as a black box when it comes to understanding its output, be it a decision or a score. Automatic anomaly detection is no exception to this rule, and quite often the astronomer is left to independently…

The data of ground-based telescopes of Global Oscillation Network Group (GONG) obtained in the H-alpha line provide an opportunity to study the long-period oscillations of chromospheric filaments (quiescent prominence). For the first time,…

太阳与恒星天体物理 · 物理学 2016-02-10 V. I. Efremov , L. D. Parfinenko , A. A. Soloviev

Detecting anomalies in energy consumption data is crucial for identifying energy waste, equipment malfunction, and overall, for ensuring efficient energy management. Machine learning, and specifically deep learning approaches, have been…

机器学习 · 计算机科学 2025-01-13 Mohammad Noorchenarboo , Katarina Grolinger

This paper utilizes an anomaly detection algorithm to check if underwater gliders are operating normally in the unknown ocean environment. Glider pilots can be warned of the detected glider anomaly in real time, thus taking over the glider…

机器人学 · 计算机科学 2022-12-29 Ruochu Yang , Mengxue Hou , Chad Lembke , Catherine Edwards , Fumin Zhang

In the upcoming decade large astronomical surveys will discover millions of transients raising unprecedented data challenges in the process. Only the use of the machine learning algorithms can process such large data volumes. Most of the…

Anomaly detection algorithms are often thought to be limited because they don't facilitate the process of validating results performed by domain experts. In Contrast, deep learning algorithms for anomaly detection, such as autoencoders,…

机器学习 · 计算机科学 2020-07-02 Liat Antwarg , Ronnie Mindlin Miller , Bracha Shapira , Lior Rokach

In the past two decades, most research on anomaly detection has focused on improving the accuracy of the detection, while largely ignoring the explainability of the corresponding methods and thus leaving the explanation of outcomes to…

机器学习 · 计算机科学 2023-07-12 Zhong Li , Yuxuan Zhu , Matthijs van Leeuwen

In order to assure a stable series of recorded images of sufficient quality for further scientific analysis, an objective image quality measure is required. Especially when dealing with ground-based observations, which are subject to…

太阳与恒星天体物理 · 物理学 2020-11-11 Robert Jarolim , Astrid Veronig , Werner Pötzi , Tatiana Podladchikova

Advances in astronomy are often driven by serendipitous discoveries. As survey astronomy continues to grow, the size and complexity of astronomical databases will increase, and the ability of astronomers to manually scour data and make such…

天体物理仪器与方法 · 物理学 2019-01-09 Daniel Giles , Lucianne Walkowicz

Observability in cloud infrastructure is critical for service providers, driving the widespread adoption of anomaly detection systems for monitoring metrics. However, existing systems often struggle to simultaneously achieve explainability,…

机器学习 · 计算机科学 2025-01-27 Yile Gu , Yifan Xiong , Jonathan Mace , Yuting Jiang , Yigong Hu , Baris Kasikci , Peng Cheng

The advent of the Big Data hype and the consistent recollection of event logs and real-time data from sensors, monitoring software and machine configuration has generated a huge amount of time-varying data in about every sector of the…

人工智能 · 计算机科学 2017-04-19 Fabio Guigou , Pierre Collet , Pierre Parrend

The unprecedented sensitivity of the Atacama Large millimeter/submillimeter array (ALMA) is providing many new discoveries. Several of these are serendipitous to the original goal of the observations. We report the discovery of previously…

太阳与恒星天体物理 · 物理学 2016-01-21 W. Vlemmings , S. Ramstedt , M. Maercker , B. Davidsson

The correct functioning of photovoltaic (PV) cells is critical to ensuring the optimal performance of a solar plant. Anomaly detection techniques for PV cells can result in significant cost savings in operation and maintenance (O&M). Recent…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Urtzi Otamendi , Inigo Martinez , Igor G. Olaizola , Marco Quartulli

Physics beyond the Standard Model that is resonant in one or more dimensions has been a longstanding focus of countless searches at colliders and beyond. Recently, many new strategies for resonant anomaly detection have been developed,…

高能物理 - 唯象学 · 物理学 2024-03-18 Erik Buhmann , Cedric Ewen , Gregor Kasieczka , Vinicius Mikuni , Benjamin Nachman , David Shih

Despite extensive theoretical motivation for physics beyond the Standard Model (BSM) of particle physics, searches at the Large Hadron Collider (LHC) have found no significant evidence for BSM physics. Therefore, it is essential to broaden…

高能物理 - 唯象学 · 物理学 2019-03-21 Jack H. Collins , Kiel Howe , Benjamin Nachman

Anomaly detection becomes increasingly important for the dependability and serviceability of IT services. As log lines record events during the execution of IT services, they are a primary source for diagnostics. Thereby, unsupervised…

Automatic anomaly detection is a major issue in various areas. Beyond mere detection, the identification of the source of the problem that produced the anomaly is also essential. This is particularly the case in aircraft engine health…

机器学习 · 统计学 2016-08-10 Tsirizo Rabenoro , Jérôme Lacaille , Marie Cottrell , Fabrice Rossi

In medical imaging, obtaining large amounts of labeled data is often a hurdle, because annotations and pathologies are scarce. Anomaly detection is a method that is capable of detecting unseen abnormal data while only being trained on…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Djennifer K. Madzia-Madzou , Hugo J. Kuijf

Much of the world's data is streaming, time-series data, where anomalies give significant information in critical situations; examples abound in domains such as finance, IT, security, medical, and energy. Yet detecting anomalies in…

人工智能 · 计算机科学 2016-11-17 Alexander Lavin , Subutai Ahmad

The detection and classification of anomalies in gravitational wave data plays a critical role in improving the sensitivity of searches for signals of astrophysical origins. We present ABNORMAL (AI Based Nonstationarity Observer for…

广义相对论与量子宇宙学 · 物理学 2025-08-28 Yi-Yang Guo , Soumya D. Mohanty , Xie Qunying , Yu-Xiao Liu