IEEE Trans Neural Netw. 2005 Jul;16(4):992-6.

Sparse component analysis and blind source separation of underdetermined mixtures.

Abstract

In this letter, we solve the problem of identifying matrices S is an element of R(n x N) and A is an element of R(m x n) knowing only their multiplication X = AS, under some conditions, expressed either in terms of A and sparsity of S (identifiability conditions), or in terms of X (sparse component analysis (SCA) conditions). We present algorithms for such identification and illustrate them by examples.

PMID:: 16121741; [PubMed - indexed for MEDLINE]

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Sparse component analysis and blind source separation of underdetermined mixtures.

Abstract

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