Wavelet shrinkage using adaptive structured sparsity constraints.

Diego Tomassi Diego H. Milone James D. B. Nelson

Published in: Signal Process. (2015)

Keyphrases

wavelet shrinkage
noise suppression
sparsity constraints
denoising
signal to noise ratio
translation invariant
sparse representation
image denoising
median filter
negative matrix factorization
dictionary learning
filtering algorithm
gaussian noise
nonlinear diffusion
impulsive noise
image processing
pairwise