Fast Feature Extraction for Time Series Analysis Using Least-Squares Approximations with Orthogonal Basis Functions.
Andre GenslerThiemo GruberBernhard SickPublished in: TIME (2015)
Keyphrases
- basis functions
- least squares
- feature extraction
- orthogonal polynomials
- linear combination
- set of basis functions
- low order
- discriminant projection
- policy evaluation
- series expansion
- linear approximation
- radial basis function
- b spline
- dimensionality reduction
- state space
- dimension reduction
- feature vectors
- spherical harmonics
- wavelet transform
- face recognition
- principal component analysis
- feature space
- optical flow
- texture features
- wavelet bases
- zernike moments
- matching pursuit
- image processing
- lapped transforms
- function approximation
- gabor filters
- manifold learning
- feature selection
- frequency domain
- lookup tables
- support vector machine svm