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Learning dictionary from signals under global sparsity constraint.
Deyu Meng
Qian Zhao
Yee Leung
Zongben Xu
Published in:
Neurocomputing (2013)
Keyphrases
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sparse representation
active learning
reinforcement learning
supervised learning
signal processing
unsupervised learning
learning tasks
learning algorithm
face recognition
search space
prior knowledge
nearest neighbor