Deep learning for anomaly detection in multivariate time series: Approaches, applications, and challenges

G Li, JJ Jung - Information Fusion, 2023 - Elsevier
… performance for the anomaly detection on multivariate time series. The most typical method
for … open issues for anomaly detection in multivariate time series that detect anomalies at an …

[HTML][HTML] Anomaly detection using spatial and temporal information in multivariate time series

Z Tian, M Zhuo, L Liu, J Chen, S Zhou - Scientific Reports, 2023 - nature.com
… We propose STADN to deal with the challenges faced by anomaly detection in multivariate
time series. As illustrated in Fig. 1, STADN contains two essential components: Prediction …

Clustering-based anomaly detection in multivariate time series data

J Li, H Izakian, W Pedrycz, I Jamal - Applied Soft Computing, 2021 - Elsevier
… shape anomaly detection for multivariate time series. The extended version of Fuzzy C-Means
is used to capture the structure of multivariate time … The reconstruction of the multivariate

Practical approach to asynchronous multivariate time series anomaly detection and localization

A Abdulaal, Z Liu, T Lancewicki - Proceedings of the 27th ACM SIGKDD …, 2021 - dl.acm.org
… for anomaly detection in this paper, the focus is on reducing the amount of information required
… adaptiveness: Typically, anomaly detection models require periodic retraining to adapt to …

[HTML][HTML] A comparative evaluation of unsupervised anomaly detection algorithms for multivariate data

M Goldstein, S Uchida - PloS one, 2016 - journals.plos.org
… In this article we present a comparative evaluation of a large variety of anomaly detection
algorithms. Clearly, anomaly detection performance is one very important factor for algorithm …

Robust anomaly detection for multivariate time series through stochastic recurrent neural network

Y Su, Y Zhao, C Niu, R Liu, W Sun, D Pei - Proceedings of the 25th ACM …, 2019 - dl.acm.org
Anomaly detection has been an active research topic in … In this paper, we focus on anomaly
detection for multivariate … ’s behavioral anomalies can be timely detected and later resolved. …

Usad: Unsupervised anomaly detection on multivariate time series

J Audibert, P Michiardi, F Guyard, S Marti… - Proceedings of the 26th …, 2020 - dl.acm.org
… In this paper, we propose a new method called UnSupervised Anomaly Detection for
multivariate time series (USAD) based on an autoencoder architecture [15] whose learning is …

From univariate to multivariate time series anomaly detection with non-local information

J Audibert, S Marti, F Guyard, MA Zuluaga - Advanced Analytics and …, 2021 - Springer
… We compute the performance of the three anomaly detection methods AE, LSTM-VAE and
USAD on a transformed univariate time series obtained using only non-local information, ie …

Analyzing high-dimensional multivariate network links with integrated anomaly detection, highlighting and exploration

S Ko, S Afzal, S Walton, Y Yang, J Chae… - … IEEE conference on …, 2014 - ieeexplore.ieee.org
… network data that features spatial and temporal information, network … an information-theoretic
model for anomaly detection across varying dimensions, displaying highlighted anomalies

Contrastive autoencoder for anomaly detection in multivariate time series

H Zhou, K Yu, X Zhang, G Wu, A Yazidi - Information Sciences, 2022 - Elsevier
multivariate time series (MTS) data is being produced daily by industrial systems, corresponding
in many cases to life-critical tasks. The recent anomaly detection … for anomaly detection