Sparse representation of multivariate extremes with applications to anomaly detection.
Nicolas GoixAnne SabourinStéphan ClémençonPublished in: J. Multivar. Anal. (2017)
Keyphrases
- sparse representation
- anomaly detection
- dictionary learning
- intrusion detection
- sparse coding
- anomalous behavior
- face recognition
- detecting anomalies
- joint optimization
- signal processing
- network intrusion detection
- network traffic
- random projections
- image classification
- compressive sensing
- compressed sensing
- high dimensional data
- one class support vector machines
- object tracking
- image patches
- image representation
- unsupervised learning
- network anomaly detection
- statistical process control
- dimensionality reduction
- intrusion detection system
- text mining
- negative selection algorithm
- neural network
- detect anomalies
- co occurrence
- pattern recognition
- real world