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Dictionary learning under global sparsity constraint
Deyu Meng
Yee Leung
Qian Zhao
Zongben Xu
Published in:
CoRR (2012)
Keyphrases
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dictionary learning
sparsity constraints
sparse representation
sparse coding
natural images
linear combination
image patches
data sets
computer vision
face recognition
similarity measure
generative model
low rank
negative matrix factorization