SGL-PCA: Health Index Construction With Sensor Sparsity and Temporal Monotonicity for Mixed High-Dimensional Signals.
Feng WangAndi WangTao TangJianjun ShiPublished in: IEEE Trans Autom. Sci. Eng. (2023)
Keyphrases
- high dimensional
- low dimensional
- dimensionality reduction
- acoustic emission
- sensor array
- feature space
- high dimensional indexing
- dimension reduction
- principal component analysis
- signal processing
- similarity search
- high dimensionality
- high dimensional data
- variable selection
- nearest neighbor
- sensor data
- spatial and temporal
- temporal information
- lower dimensional
- parameter space
- real time
- index structure
- spatio temporal
- principle component analysis
- sparse representation
- data points
- temporal data
- temporal constraints
- metric space
- temporal reasoning
- principal components
- independent component analysis
- sensor networks
- kernel principal component analysis
- kernel function
- multi dimensional
- indexing techniques
- input space
- manifold learning
- negative matrix factorization
- principal components analysis
- multivariate time series