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Deep generative models have demonstrated their effectiveness in learning latent representation and modeling complex dependencies of time series. In this paper, we present a Smoothness-Inducing Sequential Variational Auto-Encoder (SISVAE)…

机器学习 · 计算机科学 2021-02-03 Longyuan Li , Junchi Yan , Haiyang Wang , Yaohui Jin

Anomaly detection in large industrial cooling systems is very challenging due to the high data dimensionality, inconsistent sensor recordings, and lack of labels. The state of the art for automated anomaly detection in these systems…

Machine learning offers potential solutions to current issues in industrial systems in areas such as quality control and predictive maintenance, but also faces unique barriers in industrial applications. An ongoing challenge is extreme…

机器学习 · 计算机科学 2026-01-15 Lesley Wheat , Martin v. Mohrenschildt , Saeid Habibi

Wireless sensor networks (WSN) are fundamental to the Internet of Things (IoT) by bridging the gap between the physical and the cyber worlds. Anomaly detection is a critical task in this context as it is responsible for identifying various…

网络与互联网体系结构 · 计算机科学 2018-12-14 Tie Luo , Sai G. Nagarajan

We present a refined version of the Anomaly Awareness framework for enhancing unsupervised anomaly detection. Our approach introduces minimal supervision into Variational Autoencoders (VAEs) through a two-stage training strategy: the model…

高能物理 - 唯象学 · 物理学 2025-04-17 Adam Banda , Charanjit K. Khosa , Veronica Sanz

Most existing methods for unsupervised industrial anomaly detection train a separate model for each object category. This kind of approach can easily capture the category-specific feature distributions, but results in high storage cost and…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Jiangqi Liu , Feng Wang

The early detection and tracing of anomalous operations in battery packs are critical to improving performance and ensuring safety. This paper presents a data-driven approach for online anomaly detection in battery packs that uses real-time…

系统与控制 · 电气工程与系统科学 2023-01-23 Kiran Bhaskar , Ajith Kumar , James Bunce , Jacob Pressman , Neil Burkell , Christopher D. Rahn

This paper introduces a framework specifically designed for sparse and irregular time series {risk estimation}. It is based on a Transformer Autoencoder with local attention, which leverages the powerful pattern identification capabilities…

机器学习 · 计算机科学 2026-05-12 Panteleimon Rodis

Secure and reliable data communication in optical networks is critical for high-speed Internet. However, optical fibers, serving as the data transmission medium providing connectivity to billons of users worldwide, are prone to a variety of…

网络与互联网体系结构 · 计算机科学 2022-04-15 Khouloud Abdelli , Joo Yeon Cho , Florian Azendorf , Helmut Griesser , Carsten Tropschug , Stephan Pachnicke

The continuously growing amount of monitored data in the Industry 4.0 context requires strong and reliable anomaly detection techniques. The advancement of Digital Twin technologies allows for realistic simulations of complex machinery,…

机器学习 · 计算机科学 2021-03-29 Andrea Castellani , Sebastian Schmitt , Stefano Squartini

Spectrum anomaly detection is of great importance in wireless communication to secure safety and improve spectrum efficiency. However, spectrum anomaly detection faces many difficulties, especially in unauthorized frequency bands. For…

信号处理 · 电气工程与系统科学 2021-04-20 Jing Xu , Yu Tian , Shuai Yuan , Naijin Liu

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…

人工智能 · 计算机科学 2018-05-01 Timo Nolle , Stefan Luettgen , Alexander Seeliger , Max Mühlhäuser

Anomaly detection for time-series data has been an important research field for a long time. Seminal work on anomaly detection methods has been focussing on statistical approaches. In recent years an increasing number of machine learning…

机器学习 · 计算机科学 2020-04-02 Mohammad Braei , Sebastian Wagner

Object slip perception is essential for mobile manipulation robots to perform manipulation tasks reliably in the dynamic real-world. Traditional approaches to robot arms' slip perception use tactile or vision sensors. However, mobile robots…

机器人学 · 计算机科学 2024-03-07 Youngjae Yoo , Chung-Yeon Lee , Byoung-Tak Zhang

Anomaly detection on multivariate time-series is of great importance in both data mining research and industrial applications. Recent approaches have achieved significant progress in this topic, but there is remaining limitations. One major…

机器学习 · 计算机科学 2020-09-07 Hang Zhao , Yujing Wang , Juanyong Duan , Congrui Huang , Defu Cao , Yunhai Tong , Bixiong Xu , Jing Bai , Jie Tong , Qi Zhang

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…

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

Enormous amounts of data are being produced everyday by sub-meters and smart sensors installed in residential buildings. If leveraged properly, that data could assist end-users, energy producers and utility companies in detecting anomalous…

计算机与社会 · 计算机科学 2021-02-15 Yassine Himeur , Khalida Ghanem , Abdullah Alsalemi , Faycal Bensaali , Abbes Amira

The current concept of Smart Cities influences urban planners and researchers to provide modern, secured and sustainable infrastructure and give a decent quality of life to its residents. To fulfill this need video surveillance cameras have…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Devashree R. Patrikar , Mayur Rajram Parate

Fixing energy leakage caused by different anomalies can result in significant energy savings and extended appliance life. Further, it assists grid operators in scheduling their resources to meet the actual needs of end users, while helping…

机器学习 · 计算机科学 2023-03-01 Somayeh Zamani , Hamed Talebi , Gunnar Stevens