Keyphrases
- basis functions
- linear combination
- phylogenetic trees
- radial basis function
- b spline
- spherical harmonics
- state space
- wavelet bases
- tree structure
- facial expressions
- face images
- tree structures
- wavelet analysis
- low order
- signal reconstruction
- set of basis functions
- face verification
- feature extraction
- markov chain
- recognition algorithm
- hilbert transform
- orthonormal basis