A Unified Unsupervised Gaussian Mixture Variational Autoencoder for High Dimensional Outlier Detection.
Weixian LiaoYifan GuoXuhui ChenPan LiPublished in: IEEE BigData (2018)
Keyphrases
- outlier detection
- gaussian mixture
- high dimensional
- density estimation
- high dimensional datasets
- closed form
- knowledge discovery
- expectation maximization
- detection algorithm
- unsupervised learning
- probability density function
- data streams
- gaussian mixture model
- detecting outliers
- dimensionality reduction
- image segmentation
- em algorithm
- covariance matrix
- mixture model
- supervised learning
- probability density
- similarity search
- data mining
- low dimensional
- high dimensional data
- semi supervised
- feature space
- density ratio estimation
- optical flow
- high dimensionality
- distance based outlier detection
- real world
- machine learning
- image sequences
- density function
- nearest neighbor
- information retrieval
- face recognition
- detect outliers
- data points