Unsupervised feature extraction from multivariate time series for outlier detection.
Kiyotaka MatsueMahito SugiyamaPublished in: Intell. Data Anal. (2022)
Keyphrases
- outlier detection
- multivariate time series
- feature extraction
- dimension reduction
- multivariate time series data
- detection algorithm
- unsupervised learning
- data streams
- principal component analysis
- temporal patterns
- knowledge discovery
- temporal data
- semi supervised
- preprocessing
- feature vectors
- detecting outliers
- categorical data
- image classification
- feature space
- feature selection
- data mining
- supervised learning
- pattern recognition
- image processing
- linear discriminant analysis
- face recognition
- cluster analysis
- support vector machine svm
- high dimensional data
- dimensionality reduction
- probability distribution
- spatial outliers