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On the Minimax Risk of Dictionary Learning.
Alexander Jung
Yonina C. Eldar
Norbert Görtz
Published in:
CoRR (2015)
Keyphrases
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dictionary learning
sparse representation
sparse coding
image super resolution
object category recognition
sparse codes
dictionary learning for sparse
group sparsity
sparsity constraints
image processing
face recognition
feature space
semi supervised
input image
image classification