Discrete fractional Hankel transform based on a nonsymmetric kernel matrix.
Magdy Tawfik HannaPublished in: Digit. Signal Process. (2022)
Keyphrases
- kernel matrix
- kernel methods
- low rank
- semidefinite programming
- kernel function
- kernel learning
- metric learning
- positive semidefinite
- kernel matrices
- feature space
- input space
- model selection
- training samples
- support vectors
- reproducing kernel hilbert space
- ls svm
- missing data
- linear combination
- support vector
- convex optimization
- data sets
- high dimensional data
- dimensionality reduction
- face images
- least squares
- active learning
- learning algorithm
- neural network