Unsupervised ridge detection using second order anisotropic Gaussian kernels.
Carlos Lopez-MolinaGuillermo Vidal-Diez de UlzurrunJan M. BaetensJ. Van den BulckeBernard De BaetsPublished in: Signal Process. (2015)
Keyphrases
- gaussian kernels
- ridge detection
- feature detection
- kernel function
- learning rate
- reproducing kernel hilbert space
- gaussian kernel
- higher order
- feature space
- supervised learning
- semi supervised
- high dimensional feature space
- automatic scale selection
- kernel learning
- anisotropic diffusion
- machine learning
- scale space
- diffusion equation
- kernel principal component analysis
- scale selection
- detection algorithm
- multiscale