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Efficient multichannel nonnegative matrix factorization exploiting rank-1 spatial model.

Daichi KitamuraNobutaka OnoHiroshi SawadaHirokazu KameokaHiroshi Saruwatari
Published in: ICASSP (2015)
Keyphrases
  • probabilistic model
  • nonnegative matrix factorization
  • objective function
  • data model
  • data sets
  • natural language
  • email
  • least squares