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Fast directional multilevel summation for oscillatory kernels based on Chebyshev interpolation.
Matthias Messner
Martin Schanz
Eric Darve
Published in:
J. Comput. Phys. (2012)
Keyphrases
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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