Dictionary Learning for the Almost-Linear Sparsity Regime.

Alexei Novikov Stephen White

Published in: ALT (2023)

Keyphrases

dictionary learning
sparse representation
sparse coding
sparsity constraints
sparse approximation
face recognition

image super resolution
image classification
image patches
negative matrix factorization
compressive sensing
sparse codes

group sparsity
high dimensional data
high dimensional
object category recognition
unsupervised learning
signal processing

dimensionality reduction
neural network
ground truth
feature space
action recognition
natural images