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The Local Geometry of Orthogonal Dictionary Learning using L1 Minimization.
Qiuwei Li
Zhihui Zhu
Michael B. Wakin
Gongguo Tang
Published in:
ACSSC (2019)
Keyphrases
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dictionary learning
sparse representation
sparse coding
image super resolution
object category recognition
group sparsity
sparse codes
dictionary learning for sparse
data sets
neural network
multiscale
active learning
image classification
natural images
unsupervised learning