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Dictionary Learning for the Almost-Linear Sparsity Regime.
Alexei Novikov
Stephen White
Published in:
ALT (2023)
Keyphrases
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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