Spectral Approximation of Convolution Operators.

Kuan Xu Ana F. Loureiro

Published in: SIAM J. Sci. Comput. (2018)

Keyphrases

gaussian convolution
image processing
closed form
spectral analysis
approximation error
morphological operators
error bounds
laplacian matrix
linear filtering
efficient computation
multispectral images
relative error
fast fourier transform
approximation methods
hyperspectral imagery