The Chebyshev spectral element approximation with exact quadratures.

Yibiao Li Xin Kai Li

Published in: J. Comput. Appl. Math. (2016)

Keyphrases

exact computation
error tolerance
error bounds
database
image analysis
closed form
multispectral images
spatial frequency
hyperspectral imagery
search algorithm
efficient computation
relative error
approximation methods
laplacian matrix
spectral images
quality guarantees