Improved autoencoder for unsupervised anomaly detection

Z Cheng, S Wang, P Zhang, S Wang… - … Journal of Intelligent …, 2021 - Wiley Online Library
… a novel autoencoder-based method for anomaly detection, which can manipulate the feature
space guided by anomaly detection-… Our method can jointly perform anomaly detection and …

Deep autoencoding gaussian mixture model for unsupervised anomaly detection

B Zong, Q Song, MR Min, W Cheng… - International …, 2018 - openreview.net
… In this paper, we present a Deep Autoencoding Gaussian Mixture Model (DAGMM) for
unsupervised anomaly detection. Our model utilizes a deep autoencoder to generate a low-…

Memorizing normality to detect anomaly: Memory-augmented deep autoencoder for unsupervised anomaly detection

D Gong, L Liu, V Le, B Saha… - Proceedings of the …, 2019 - openaccess.thecvf.com
anomalies well, leading to the miss detection of anomalies. To mitigate this drawback for
autoencoder based anomaly detector, we propose to augment the autoencoder with a memory …

Temporal convolutional autoencoder for unsupervised anomaly detection in time series

M Thill, W Konen, H Wang, T Bäck - Applied Soft Computing, 2021 - Elsevier
… problem even more challenging: Anomalies may be a hard-to-detect deviation from the
normal … autoencoder based on dilated convolutions. Contrary to many other anomaly detection

Context-encoding variational autoencoder for unsupervised anomaly detection

D Zimmerer, SAA Kohl, J Petersen, F Isensee… - arXiv preprint arXiv …, 2018 - arxiv.org
… Contribution In this paper, we present a novel anomaly detection method that can … unsupervised
anomaly detection, combining CEs with VAEs for unsupervised training and detection as …

Analytical investigation of autoencoder-based methods for unsupervised anomaly detection in building energy data

C Fan, F Xiao, Y Zhao, J Wang - Applied energy, 2018 - Elsevier
… the potential of autoencoders in detecting anomalies in building energy data. An autoencoder-…
autoencoder types and training schemes. Considering the unique learning mechanism of …

Unsupervised anomaly detection via variational auto-encoder for seasonal kpis in web applications

H Xu, W Chen, N Zhao, Z Li, J Bu, Z Li, Y Liu… - Proceedings of the …, 2018 - dl.acm.org
… Existing approaches are either unsupervised, or supervised but depending heavily on labels…
We aim at an unsupervised anomaly detection algorithm based on deep generative models …

Autoencoders for unsupervised anomaly detection in high energy physics

T Finke, M Krämer, A Morandini, A Mück… - Journal of High Energy …, 2021 - Springer
… We scrutinize the usage of autoencoders for unsupervised anomaly detection based on …
the standard autoencoder setup cannot be considered as a model-independent anomaly tagger …

Clustering and Unsupervised Anomaly Detection with l2 Normalized Deep Auto-Encoder Representations

C Aytekin, X Ni, F Cricri, E Aksu - 2018 International Joint …, 2018 - ieeexplore.ieee.org
… propose an unsupervised anomaly detection method based on this clustering. We show that
our anomaly detection method greatly improves on other deep anomaly detection strategies …

Unsupervised anomaly detection using variational auto-encoder based feature extraction

R Yao, C Liu, L Zhang, P Peng - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
… classes, unsupervised anomaly detection is … unsupervised anomaly detection techniques
very meaningful and applicable. This paper will focus on the unsupervised anomaly detection