Dictionary Learning with Statistical Sparsity in the Presence of Noise.

Shayan Aziznejad Emmanuel Soubies Michael Unser

Published in: EUSIPCO (2020)

Keyphrases

dictionary learning
sparse representation
sparse coding
sparsity constraints
image transformations
image super resolution
image classification
group sparsity
object category recognition
sparse codes
face recognition
image patches
high dimensional data
high dimensional
dimensionality reduction
compressive sensing
missing data
dictionary learning for sparse
natural images
test images
negative matrix factorization
clustering algorithm
image representation
unsupervised learning
em algorithm
signal processing
k means
image segmentation