Strictly positive definite multivariate covariance functions on spheres.
Jean Carlo GuellaValdir Antonio MenegattoEmilio PorcuPublished in: J. Multivar. Anal. (2018)
Keyphrases
- positive definite
- gaussian processes
- gaussian process regression
- gaussian process
- covariance matrix
- geometric structure
- regression model
- reproducing kernel hilbert space
- kernel function
- semi parametric
- diffusion tensor
- kernel matrix
- feature space
- hyperparameters
- kernel methods
- machine learning algorithms
- high dimensional data
- principal component analysis
- objective function