Outlier detection based on sparse coding and neighbor entropy in high-dimensional space.
Ping GuMeng ChowSi Yu ShaoPublished in: CF (2020)
Keyphrases
- outlier detection
- sparse coding
- high dimensional
- nearest neighbor
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- unsupervised learning
- knowledge discovery
- generative model
- image representation
- data streams
- feature space
- detection algorithm
- detecting outliers
- density estimation
- image patches
- data mining
- detect outliers
- small number
- prior knowledge
- feature extraction
- co occurrence
- knn
- association rules
- face recognition