A Clustering Approach to Learning Sparsely Used Overcomplete Dictionaries
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DOI: 10.1109/tit.2016.2614684
Abstract: We consider the problem of learning overcomplete dictionaries in the context of sparse coding, where each sample selects a sparse subset of dictionary elements. Our main result is a strategy to approximately recover the unknown… read more here.
Keywords: overcomplete dictionaries; learning sparsely; sparsely used; used overcomplete ... See more keywords