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: CoRR (2024)
Keyphrases
- anomaly detection
- unsupervised anomaly detection
- detect anomalies
- unsupervised learning
- intrusion detection
- novelty detection
- detecting anomalies
- network intrusion detection
- anomalous behavior
- detecting anomalous
- intrusion detection system
- behavior analysis
- network traffic
- supervised learning
- one class support vector machines
- semi supervised
- computer security
- network security
- network anomaly detection
- negative selection algorithm
- data sets
- computer systems
- hidden markov models
- learning algorithm
- machine learning
- cumulative sum
- neural network