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Anomaly detection of multi-temporal modal data in Wireless Sensor Network (WSN) can provide an important guarantee for reliable network operation. Existing anomaly detection methods in multi-temporal modal data scenarios have the problems…

Machine Learning · Computer Science 2026-01-21 Miao Ye , Jing Cui , Yuan huang , Qian He , Yong Wang , Jiwen Zhang

This study proposes an anomaly detection method based on the Transformer architecture with integrated multiscale feature perception, aiming to address the limitations of temporal modeling and scale-aware feature representation in cloud…

Machine Learning · Computer Science 2025-08-26 Lian Lian , Yilin Li , Song Han , Renzi Meng , Sibo Wang , Ming Wang

The detection of anomalies in time series data is a critical task with many monitoring applications. Existing systems often fail to encompass an end-to-end detection process, to facilitate comparative analysis of various anomaly detection…

Machine Learning · Computer Science 2022-04-21 Sarah Alnegheimish , Dongyu Liu , Carles Sala , Laure Berti-Equille , Kalyan Veeramachaneni

Detecting anomalies in time-varying multivariate data is crucial in various industries for the predictive maintenance of equipment. Numerous machine learning (ML) algorithms have been proposed to support automated anomaly identification.…

Human-Computer Interaction · Computer Science 2021-12-13 Dongyu Liu , Sarah Alnegheimish , Alexandra Zytek , Kalyan Veeramachaneni

Intrusion detection for computer network systems becomes one of the most critical tasks for network administrators today. It has an important role for organizations, governments and our society due to its valuable resources on computer…

Machine Learning · Computer Science 2017-03-30 Loic Bontemps , Van Loi Cao , James McDermott , Nhien-An Le-Khac

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.…

Machine Learning · Computer Science 2025-03-18 Huajie Liang , Di Wang , Yuchao Lu , Mengke Song , Lei Liu , Ling An , Ying Liang , Xingjie Ma , Zhenyu Zhang , Chichun Zhou

Video anomaly detection is a challenging task due to the lack in approaches for representing samples. The visual representations of most existing approaches are limited by short-term sequences of observations which cannot provide enough…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Yalong Jiang , Changkang Li

Traffic congestion anomaly detection is of paramount importance in intelligent traffic systems. The goals of transportation agencies are two-fold: to monitor the general traffic conditions in the area of interest and to locate road segments…

Machine Learning · Computer Science 2022-06-30 Zhuangwei Kang , Ayan Mukhopadhyay , Aniruddha Gokhale , Shijie Wen , Abhishek Dubey

Precision in identifying nanometer-scale device-killer defects is crucial in both semiconductor research and development as well as in production processes. The effectiveness of existing ML-based approaches in this context is largely…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Bappaditya Dey , Vic De Ridder , Victor Blanco , Sandip Halder , Bartel Van Waeyenberge

Massive key performance indicators (KPIs) are monitored as multivariate time series data (MTS) to ensure the reliability of the software applications and service system. Accurately detecting the abnormality of MTS is very critical for…

Machine Learning · Computer Science 2023-08-28 Haotian Si , Changhua Pei , Zhihan Li , Yadong Zhao , Jingjing Li , Haiming Zhang , Zulong Diao , Jianhui Li , Gaogang Xie , Dan Pei

The consumer Internet of Things (IoT) have developed in recent years. Mass IoT devices are constructed to build a huge communications network. But these devices are insecure in reality, it means that the communications network are exposed…

Cryptography and Security · Computer Science 2021-04-06 Yan Xu , Yongliang Cheng

Change detection is a basic task of remote sensing image processing. The research objective is to identity the change information of interest and filter out the irrelevant change information as interference factors. Recently, the rise of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Jie Chen , Ziyang Yuan , Jian Peng , Li Chen , Haozhe Huang , Jiawei Zhu , Yu Liu , Haifeng Li

In modern highly interconnected power grids, automatic generation control (AGC) is crucial in maintaining the stability of the power grid. The dependence of the AGC system on the information and communications technology (ICT) system makes…

Machine Learning · Computer Science 2022-09-20 Tohid Behdadnia , Geert Deconinck

Anomaly detection is widely used to distinguish system anomalies by analyzing the temporal and spatial features of wireless sensor network (WSN) data streams; it is one of critical technique that ensures the reliability of WSNs. Currently,…

Machine Learning · Computer Science 2022-02-23 Qinghao Zhang , Miao Ye , Hongbing Qiu , Yong Wang , Xiaofang Deng

Anomaly detection is a practical and challenging task due to the scarcity of anomaly samples in industrial inspection. Some existing anomaly detection methods address this issue by synthesizing anomalies with noise or external data.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Guan Gui , Bin-Bin Gao , Jun Liu , Chengjie Wang , Yunsheng Wu

Detection of anomaly events is relevant for public safety and requires a combination of fine-grained motion information and contextual events at variable time-scales. To this end, we propose a Multi-Timescale Feature Learning (MTFL) method…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Yiling Zhang , Erkut Akdag , Egor Bondarev , Peter H. N. De With

Detecting anomaly patterns from images is a crucial artificial intelligence technique in industrial applications. Recent research in this domain has emphasized the necessity of a large volume of training data, overlooking the practical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shenxing Wei , Xing Wei , Zhiheng Ma , Songlin Dong , Shaochen Zhang , Yihong Gong

The chips contained in any electronic device are manufactured over circular silicon wafers, which are monitored by inspection machines at different production stages. Inspection machines detect and locate any defect within the wafer and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Luca Frittoli , Diego Carrera , Beatrice Rossi , Pasqualina Fragneto , Giacomo Boracchi

Anomaly detection in sequential data has been studied for a long time because of its potential in various applications, such as detecting abnormal system behaviors from log data. Although many approaches can achieve good performance on…

Machine Learning · Computer Science 2022-10-11 He Cheng , Depeng Xu , Shuhan Yuan , Xintao Wu

Image anomaly detection consists in detecting images or image portions that are visually different from the majority of the samples in a dataset. The task is of practical importance for various real-life applications like biomedical image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Axel De Nardin , Pankaj Mishra , Gian Luca Foresti , Claudio Piciarelli