Anomaly detection based on sparse coding with two kinds of dictionaries.
Shifeng LiChunxiao LiuYuqiang YangPublished in: Signal Image Video Process. (2018)
Keyphrases
- anomaly detection
- sparse coding
- sparse representation
- sparse codes
- single image super resolution
- unsupervised learning
- dictionary learning
- image classification
- intrusion detection
- detecting anomalies
- natural images
- image patches
- discriminative dictionary
- linear combination
- anomalous behavior
- feature space
- network intrusion detection
- generative model
- image representation
- intrusion detection system
- object category recognition
- object recognition
- signal processing
- one class support vector machines
- face recognition
- detect anomalies
- reinforcement learning
- high dimensional
- high dimensional data
- dimensionality reduction
- visual words
- test images
- image features
- semi supervised
- computer vision
- supervised learning
- data mining