Deep learning for anomaly detection in time-series data: Review, analysis, and guidelines

K Choi, J Yi, C Park, S Yoon - IEEE access, 2021 - ieeexplore.ieee.org
As industries become automated and connectivity technologies advance, a wide range of
systems continues to generate massive amounts of data. Many approaches have been …

A review on outlier/anomaly detection in time series data

A Blázquez-García, A Conde, U Mori… - ACM computing surveys …, 2021 - dl.acm.org
Recent advances in technology have brought major breakthroughs in data collection,
enabling a large amount of data to be gathered over time and thus generating time series …

A space-embedding strategy for anomaly detection in multivariate time series

Z Ji, Y Wang, K Yan, X Xie, Y Xiang, J Huang - Expert Systems with …, 2022 - Elsevier
Anomaly detection of time series has always been a hot topic in academia and industry.
However, many existing multivariant time series methods suffer from common challenges …

A novel deep learning approach for anomaly detection of time series data

Z Ji, J Gong, J Feng - Scientific Programming, 2021 - Wiley Online Library
Anomalies in time series, also called “discord,” are the abnormal subsequences. The
occurrence of anomalies in time series may indicate that some faults or disease will occur …

A novel multivariate time-series anomaly detection approach using an unsupervised deep neural network

P Zhao, X Chang, M Wang - IEEE Access, 2021 - ieeexplore.ieee.org
With the development of hardware technology, we can collect increasingly reliable time
series data, in which time series anomaly detection is an important task to find problems in …

Robust unsupervised anomaly detection with variational autoencoder in multivariate time series data

U Yokkampon, A Mowshowitz, S Chumkamon… - IEEE …, 2022 - ieeexplore.ieee.org
Accurate detection of anomalies in multivariate time series data has attracted much attention
due to its importance in a wide range of applications. Since it is difficult to obtain accurately …

Time series anomaly detection using transformer-based gan with two-step masking

AH Shin, ST Kim, GM Park - IEEE Access, 2023 - ieeexplore.ieee.org
Time series anomaly detection is a task that determines whether an unseen signal is normal
or abnormal, and it is a crucial function in various real-world applications. Typical approach …

Tunnel surface settlement forecasting with ensemble learning

K Yan, Y Dai, M Xu, Y Mo - Sustainability, 2019 - mdpi.com
Ground surface settlement forecasting in the process of tunnel construction is one of the
most important techniques towards sustainable city development and preventing serious …

An Experimental Evaluation of Anomaly Detection in Time Series

A Zhang, S Deng, D Cui, Y Yuan, G Wang - Proceedings of the VLDB …, 2023 - dl.acm.org
Anomaly detection in time series data has been studied for decades in both statistics and
computer science. Various algorithms have been proposed for different scenarios, such as …

Anomaly detection paradigm for multivariate time series data mining for healthcare

A Razaque, M Abenova, M Alotaibi, B Alotaibi… - Applied Sciences, 2022 - mdpi.com
Time series data are significant, and are derived from temporal data, which involve real
numbers representing values collected regularly over time. Time series have a great impact …