An efficient Gaussian kernel optimization based on centered kernel polarization criterion.
Meng TianWenjian WangPublished in: Inf. Sci. (2015)
Keyphrases
- gaussian kernel
- scale space
- kernel methods
- reproducing kernel hilbert space
- gaussian kernels
- support vector machine
- diffusion equation
- rbf network
- optimal parameters
- optimization algorithm
- gaussian model
- multiscale
- riemannian manifolds
- optimization methods
- optimization method
- special case
- image analysis
- input space
- learning problems
- loss function
- feature selection