A Tikhonov-based projection iteration for nonlinear Ill-posed problems with sparsity constraints.

Ronny Ramlau Gerd Teschke

Published in: Numerische Mathematik (2006)

Keyphrases

sparsity constraints
sparse coding
negative matrix factorization
sparse representation
dictionary learning
objective function
nonnegative matrix factorization
low rank
data sets
data analysis
feature space
single image