The Nyström Kernel Conjugate Gradient Algorithm Based on k-Means Sampling.
Fuliang HeKui XiongShiyuan WangPublished in: IEEE Access (2020)
Keyphrases
- conjugate gradient algorithm
- k means
- spectral clustering
- kernel matrix
- conjugate gradient
- kernel machines
- clustering algorithm
- evolutionary programming
- learning rate
- kernel function
- kernel methods
- reproducing kernel hilbert space
- clustering method
- regularization framework
- model selection
- support vector
- genetic algorithm
- expectation maximization
- feature space
- input space
- multiple kernel learning
- nonnegative matrix factorization
- kernel learning
- optimal solution