Outlier Detection Based on Stacked Autoencoder and Gaussian Mixture Model.
Jing LiPengbo LvHuijun LiWanghu ChenPublished in: Big Data (2022)
Keyphrases
- gaussian mixture model
- outlier detection
- mixture model
- em algorithm
- fraud detection
- expectation maximization
- feature vectors
- knowledge discovery
- data streams
- density ratio estimation
- gaussian distribution
- detecting outliers
- density estimation
- gaussian mixture
- credit card fraud detection
- high dimensional datasets
- maximum likelihood
- detection algorithm
- data mining
- text mining
- probability density
- distance based outlier detection
- detect outliers
- probability density function
- probabilistic model
- video sequences
- image representation
- feature space
- feature extraction
- information retrieval
- databases