ImDiffusion: Imputed Diffusion Models for Multivariate Time Series Anomaly Detection.
Yuhang ChenChaoyun ZhangMinghua MaYudong LiuRuomeng DingBowen LiShilin HeSaravan RajmohanQingwei LinDongmei ZhangPublished in: Proc. VLDB Endow. (2023)
Keyphrases
- anomaly detection
- multivariate time series
- diffusion models
- diffusion model
- information diffusion
- intrusion detection
- temporal data
- social networks
- network traffic
- dimension reduction
- intrusion detection system
- temporal patterns
- viral marketing
- categorical data
- autoregressive
- unsupervised learning
- spatial structure
- detect anomalies
- social media
- image segmentation
- anisotropic diffusion
- clustering method
- learning algorithm