Revisiting VAE for Unsupervised Time Series Anomaly Detection: A Frequency Perspective.
Zexin WangChanghua PeiMinghua MaXin WangZhihan LiDan PeiSaravan RajmohanDongmei ZhangQingwei LinHaiming ZhangJianhui LiGaogang XiePublished in: WWW (2024)
Keyphrases
- anomaly detection
- unsupervised anomaly detection
- detect anomalies
- unsupervised learning
- novelty detection
- intrusion detection
- network intrusion detection
- network traffic
- detecting anomalies
- network anomaly detection
- computer security
- semi supervised
- anomalous behavior
- one class support vector machines
- intrusion detection system
- network security
- behavior analysis
- supervised learning
- cumulative sum
- malware detection
- pairwise
- data sets
- detecting anomalous
- connectionist systems
- data mining