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Road accident can be triggered by wet road because it decreases skid resistance. To prevent the road accident, detecting road surface abnomality is highly useful. In this paper, we propose the deep learning based cost-effective real-time…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 YeongHyeon Park , JongHee Jung

Businesses are naturally interested in detecting anomalies in their internal processes, because these can be indicators for fraud and inefficiencies. Within the domain of business intelligence, classic anomaly detection is not very…

Artificial Intelligence · Computer Science 2018-05-01 Timo Nolle , Stefan Luettgen , Alexander Seeliger , Max Mühlhäuser

In industry, machine anomalous sound detection (ASD) is in great demand. However, collecting enough abnormal samples is difficult due to the high cost, which boosts the rapid development of unsupervised ASD algorithms. Autoencoder (AE)…

Sound · Computer Science 2023-11-16 Yifan Zhou , Dongxing Xu , Haoran Wei , Yanhua Long

Autoencoders (AE) have recently been widely employed to approach the novelty detection problem. Trained only on the normal data, the AE is expected to reconstruct the normal data effectively while fail to regenerate the anomalous data,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mohammadreza Salehi , Atrin Arya , Barbod Pajoum , Mohammad Otoofi , Amirreza Shaeiri , Mohammad Hossein Rohban , Hamid R. Rabiee

Exploiting the rapid advances in probabilistic inference, in particular variational Bayes and variational autoencoders (VAEs), for anomaly detection (AD) tasks remains an open research question. Previous works argued that training VAE…

Machine Learning · Computer Science 2020-10-13 Adrian Alan Pol , Victor Berger , Gianluca Cerminara , Cecile Germain , Maurizio Pierini

Autoencoders are widely used in machine learning applications, in particular for anomaly detection. Hence, they have been introduced in high energy physics as a promising tool for model-independent new physics searches. We scrutinize the…

High Energy Physics - Phenomenology · Physics 2021-07-15 Thorben Finke , Michael Krämer , Alessandro Morandini , Alexander Mück , Ivan Oleksiyuk

Autoencoders are frequently used for anomaly detection, both in the unsupervised and semi-supervised settings. They rely on the assumption that when trained using the reconstruction loss, they will be able to reconstruct normal data more…

Machine Learning · Computer Science 2025-01-24 Roel Bouman , Tom Heskes

A novel approach to detecting anomalies in time series data is presented in this paper. This approach is pivotal in domains such as data centers, sensor networks, and finance. Traditional methods often struggle with manual parameter tuning…

Machine Learning · Computer Science 2025-04-07 Bahareh Golchin , Banafsheh Rekabdar

Video anomaly detection is often seen as one-class classification (OCC) problem due to the limited availability of anomaly examples. Typically, to tackle this problem, an autoencoder (AE) is trained to reconstruct the input with training…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Marcella Astrid , Muhammad Zaigham Zaheer , Jae-Yeong Lee , Seung-Ik Lee

Due to the limited availability of anomalous samples for training, video anomaly detection is commonly viewed as a one-class classification problem. Many prevalent methods investigate the reconstruction difference produced by AutoEncoders…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Xiangyu Huang , Caidan Zhao , Chenxing Gao , Lvdong Chen , Zhiqiang Wu

Event log records all events that occur during the execution of business processes, so detecting and correcting anomalies in event log can provide reliable guarantee for subsequent process analysis. The previous works mainly include next…

Machine Learning · Computer Science 2024-04-17 Ziyou Gong , Xianwen Fang , Ping Wu

Deep learning methods can classify various unstructured data such as images, language, and voice as input data. As the task of classifying anomalies becomes more important in the real world, various methods exist for classifying using deep…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 UJu Gim , YeongHyeon Park

In Federated Learning (FL), anomaly detection (AD) is a challenging task due to the decentralized nature of data and the presence of non-IID data distributions. This study introduces a novel federated threshold calculation method that…

Machine Learning · Computer Science 2024-10-15 Sofiane Laridi , Gregory Palmer , Kam-Ming Mark Tam

Unsupervised anomaly detection (AD) is a major topic in the field of Cyber-Physical Production Systems (CPPSs). A closely related concern is dimensionality reduction (DR) which is: 1) often used as a preprocessing step in an AD solution, 2)…

Machine Learning · Computer Science 2020-10-29 Benedikt Eiteneuer , Nemanja Hranisavljevic , Oliver Niggemann

Anomaly detection is concerned with identifying data patterns that deviate remarkably from the expected behaviour. This is an important research problem, due to its broad set of application domains, from data analysis to e-health,…

Machine Learning · Computer Science 2021-08-23 L. Erhan , M. Ndubuaku , M. Di Mauro , W. Song , M. Chen , G. Fortino , O. Bagdasar , A. Liotta

Precision beekeeping allows to monitor bees' living conditions by equipping beehives with sensors. The data recorded by these hives can be analyzed by machine learning models to learn behavioral patterns of or search for unusual events in…

Machine Learning · Computer Science 2020-03-11 Padraig Davidson , Michael Steininger , Florian Lautenschlager , Konstantin Kobs , Anna Krause , Andreas Hotho

In recent times, there has been considerable interest in fault detection within electrical power systems, garnering attention from both academic researchers and industry professionals. Despite the development of numerous fault detection…

Systems and Control · Electrical Eng. & Systems 2026-02-17 Sidharthenee Nayak , Victor Sam Moses Babu , Chandrashekhar Narayan Bhende , Pratyush Chakraborty , Mayukha Pal

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,…

Machine Learning · Computer Science 2020-07-02 Liat Antwarg , Ronnie Mindlin Miller , Bracha Shapira , Lior Rokach

The Automatic Dependent Surveillance Broadcast protocol is one of the latest compulsory advances in air surveillance. While it supports the tracking of the ever-growing number of aircraft in the air, it also introduces cybersecurity issues…

Machine Learning · Computer Science 2022-03-23 Antoine Chevrot , Alexandre Vernotte , Bruno Legeard

Abnormal event detection or anomaly detection in surveillance videos is currently a challenge because of the diversity of possible events. Due to the lack of anomalous events at training time, anomaly detection requires the design of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Darshan Venkatrayappa