Sparse component analysis and blind source separation of underdetermined mixtures

In this letter, we solve the problem of identifying matrices S /spl isin/ /spl Ropf//sup n/spl times/N/ and A /spl isin/ /spl Ropf//sup m/spl times/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.

• Publication year

  2005

• Venue

  IEEE Transactions on Neural Networks

• Publication date

  2005-07-01

• Fields of study

  Medicine, Computer Science, Engineering

• Identifiers
  DOI 10.1109/TNN.2005.849840PMID 16121741
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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