Fast sparse coding networks for anomaly detection in videos.
Peng WuJing LiuMingming LiYujia SunFang ShenPublished in: Pattern Recognit. (2020)
Keyphrases
- anomaly detection
- sparse coding
- unsupervised learning
- sparse representation
- dictionary learning
- natural images
- intrusion detection
- image classification
- detecting anomalies
- linear combination
- network intrusion detection
- image representation
- network traffic
- anomalous behavior
- intrusion detection system
- generative model
- feature space
- high dimensional
- video sequences
- detect anomalies
- one class support vector machines
- negative selection algorithm
- higher order
- image patches
- visual words
- dimensionality reduction
- video surveillance
- semi supervised
- probabilistic model
- hidden markov models
- multiscale
- machine learning