中文
相关论文

相关论文: UTOPYA: A Multimodal Deep Learning Framework for P…

200 篇论文

Automating the analysis of surveillance video footage is of great interest when urban environments or industrial sites are monitored by a large number of cameras. As anomalies are often context-specific, it is hard to predefine events of…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Bo Li , Sam Leroux , Pieter Simoens

Time series anomaly detection has garnered considerable attention across diverse domains. While existing methods often fail to capture the underlying mechanisms behind anomaly generation in time series data. In addition, time series anomaly…

机器学习 · 计算机科学 2025-08-07 Yutong Xia , Yingying Zhang , Yuxuan Liang , Lunting Fan , Qingsong Wen , Roger Zimmermann

Anomaly detection in surveillance videos remains a challenging task due to the diversity of abnormal events, class imbalance, and scene-dependent visual clutter. To address these issues, we propose a robust deep learning framework that…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Mohammad Ali Etemadi Naeen , Hoda Mohammadzade , Saeed Bagheri Shouraki

Multivariate time series anomaly detection is a very common problem in the field of failure prevention. Fast prevention means lower repair costs and losses. The amount of sensors in novel industry systems makes the anomaly detection process…

机器学习 · 计算机科学 2021-11-24 Kamil Faber , Dominik Żurek , Marcin Pietroń , Kamil Piętak

Industrial time-series data from real production environments exhibits substantially higher complexity than commonly used benchmark datasets, primarily due to heterogeneous, multi-stage operational processes. As a result, anomaly detection…

机器学习 · 计算机科学 2026-04-16 Sergej Krasnikov , Lukas Meitz , Samineh Bagheri , Michael Heider , Thorsten Schöler , Jörg Hähner

Performing anomaly detection in hybrid systems is a challenging task since it requires analysis of timing behavior and mutual dependencies of both discrete and continuous signals. Typically, it requires modeling system behavior, which is…

机器学习 · 计算机科学 2020-10-30 Nemanja Hranisavljevic , Oliver Niggemann , Alexander Maier

We introduce a novel, practically relevant variation of the anomaly detection problem in multi-variate time series: intrinsic anomaly detection. It appears in diverse practical scenarios ranging from DevOps to IoT, where we want to…

Detecting abnormal events in video is commonly framed as a one-class classification task, where training videos contain only normal events, while test videos encompass both normal and abnormal events. In this scenario, anomaly detection is…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Andra Acsintoae , Andrei Florescu , Mariana-Iuliana Georgescu , Tudor Mare , Paul Sumedrea , Radu Tudor Ionescu , Fahad Shahbaz Khan , Mubarak Shah

Unsupervised anomaly detection in time-series has been extensively investigated in the literature. Notwithstanding the relevance of this topic in numerous application fields, a comprehensive and extensive evaluation of recent…

机器学习 · 计算机科学 2024-08-13 Nesryne Mejri , Laura Lopez-Fuentes , Kankana Roy , Pavel Chernakov , Enjie Ghorbel , Djamila Aouada

Anomaly detection is a dynamic field, in which the evaluation of models plays a critical role in understanding their effectiveness. The selection and interpretation of the evaluation metrics are pivotal, particularly in scenarios with…

机器学习 · 计算机科学 2024-09-25 Minjae Ok , Simon Klüttermann , Emmanuel Müller

Anomaly detection in video is a challenging computer vision problem. Due to the lack of anomalous events at training time, anomaly detection requires the design of learning methods without full supervision. In this paper, we approach…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Mariana-Iuliana Georgescu , Antonio Barbalau , Radu Tudor Ionescu , Fahad Shahbaz Khan , Marius Popescu , Mubarak Shah

Quantum systems governed by time-dependent Hamiltonians pose significant challenges for the accurate computation of unitary time-evolution operators, which are essential for predicting quantum state dynamics. In this work, we introduce a…

量子物理 · 物理学 2026-01-21 Antonio Guerra , Daniel Uzcategui-Contreras , Aldo Delgado , Esteban S. Gómez

Fault diagnosis of mechanical equipment involves data collection, feature extraction, and pattern recognition but is often hindered by the imbalanced nature of industrial data, introducing significant uncertainty and reducing diagnostic…

机器学习 · 计算机科学 2025-03-18 Zhixuan Lian , Shangyu Li , Qixuan Huang , Zijian Huang , Haifei Liu , Jianan Qiu , Puyu Yang , Laifa Tao

With the advancement of Industry 4.0, intelligent manufacturing extensively employs sensors for real-time multidimensional data collection, playing a crucial role in equipment monitoring, process optimisation, and efficiency enhancement.…

机器学习 · 计算机科学 2025-03-18 Huajie Liang , Di Wang , Yuchao Lu , Mengke Song , Lei Liu , Ling An , Ying Liang , Xingjie Ma , Zhenyu Zhang , Chichun Zhou

Training data-driven approaches for complex industrial system health monitoring is challenging. When data on faulty conditions are rare or not available, the training has to be performed in a unsupervised manner. In addition, when the…

机器学习 · 统计学 2021-11-24 Gabriel Michau , Olga Fink

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

Anomaly detection in videos refers to the identification of events that do not conform to expected behavior. However, almost all existing methods tackle the problem by minimizing the reconstruction errors of training data, which cannot…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Wen Liu , Weixin Luo , Dongze Lian , Shenghua Gao

Reliable confidence estimates are important for safely deploying vision-based controllers in autonomous racing, where safety predictions must be derived from camera images, yet modern predictors become dangerously overconfident under…

机器人学 · 计算机科学 2026-05-21 Zhenjiang Mao , Jiawen Wu , Gabriel Wagner , Zhongzheng Zhang , Ivan Ruchkin

Concerning machine learning, segmentation models can identify state changes within time series, facilitating the detection of transitions between normal and anomalous conditions. Specific techniques such as Change Point Detection (CPD),…

机器学习 · 计算机科学 2025-10-13 Emilio Mastriani , Alessandro Costa , Federico Incardona , Kevin Munari , Sebastiano Spinello

Recent advances in visual anomaly detection research have seen AUROC and AUPRO scores on public benchmark datasets such as MVTec and VisA converge towards perfect recall, giving the impression that these benchmarks are near-solved. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Joao P. C. Bertoldo , Dick Ameln , Ashwin Vaidya , Samet Akçay