Sparse representation based anomaly detection with enhanced local dictionaries.
Sovan BiswasR. Venkatesh BabuPublished in: ICIP (2014)
Keyphrases
- anomaly detection
- sparse representation
- intrusion detection
- anomalous behavior
- detecting anomalies
- network intrusion detection
- network traffic
- dictionary learning
- detecting anomalous
- computer security
- intrusion detection system
- unsupervised learning
- subspace learning
- sparse coding
- unsupervised anomaly detection
- network security
- network anomaly detection
- behavior analysis
- detect anomalies
- face recognition
- data sets
- cumulative sum
- image classification
- dimensionality reduction
- malware detection
- information extraction
- pairwise
- feature extraction
- connectionist systems
- computer vision