FFT calculation of the L1-norm principal component of a data matrix.
Stefania ColonnesePanos P. MarkopoulosGaetano ScaranoDimitris A. PadosPublished in: Signal Process. (2021)
Keyphrases
- principal components
- data matrix
- principal component analysis
- dimensionality reduction
- rows and columns
- fourier transform
- frequency domain
- decision trees
- nonnegative matrix factorization
- feature set
- covariance matrix
- missing values
- principal component regression
- matrix factorization
- original data
- singular value decomposition
- high dimensional
- data sets
- least squares
- nearest neighbor
- objective function
- data mining