Degeneracy in model selection for SVMs with radial Gaussian kernel.
Tobias GlasmachersPublished in: ESANN (2006)
Keyphrases
- gaussian kernel
- model selection
- scale space
- kernel methods
- cross validation
- support vector machine
- optimal parameters
- reproducing kernel hilbert space
- rbf network
- hyperparameters
- machine learning
- diffusion equation
- feature selection
- parameter estimation
- support vector
- sample size
- regression model
- gaussian process
- mixture model
- variable selection
- generalization error
- kernel matrix
- kernel function
- density estimation
- multi class
- objective function
- multiscale