A sparse Laplacian in tensor product wavelet coordinates.

Tammo Jan Dijkema Rob Stevenson

Published in: Numerische Mathematik (2010)

Keyphrases

tensor product
b spline
sparse coding
control points
multiscale
wavelet transform
denoising
sparse representation
high dimensional
cubic spline
wavelet coefficients
multiresolution
tensor field
learning algorithm
least squares
edge detection
model selection
random projections