An iterative hard thresholding approach to ℓ0 sparse Hellinger NMF.

Ken O'Hanlon Mark B. Sandler

Published in: ICASSP (2016)

Keyphrases

negative matrix factorization
sparse representation
nonnegative matrix factorization
sparsity constraints
hard thresholding
document clustering
denoising
image denoising
image classification
multiscale
motion estimation