Fast directional multilevel summation for oscillatory kernels based on Chebyshev interpolation.
Matthias MessnerMartin SchanzEric DarvePublished in: J. Comput. Phys. (2012)
Keyphrases
- kernel function
- directional filtering
- image interpolation
- directional features
- kernel methods
- interpolation methods
- support vector
- linear interpolation
- multiple kernel learning
- interpolation algorithm
- interpolation method
- directional information
- sparse sampling
- positive definite
- gaussian kernel
- gaussian kernels
- dual tree
- krawtchouk moments
- gaussian convolution