FAST-PCA: A Fast and Exact Algorithm for Distributed Principal Component Analysis.
Arpita GangWaheed U. BajwaPublished in: IEEE Trans. Signal Process. (2022)
Keyphrases
- principal component analysis
- principal components
- significant improvement
- dimensionality reduction
- optimization algorithm
- np hard
- computational complexity
- k means
- learning algorithm
- preprocessing
- clustering method
- dynamic programming
- experimental evaluation
- probabilistic model
- negative matrix factorization
- feature extraction
- recognition algorithm
- high accuracy
- cost function
- objective function
- worst case
- expectation maximization
- detection algorithm
- simulated annealing
- low dimensional
- computational cost
- covariance matrix
- convergence rate
- evolutionary algorithm
- similarity measure