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Bayesian Nonparametric Approach to Blind Separation of Infinitely Many Sparse Sources

Hirokazu KAMEOKA, Misa SATO, Takuma ONO, Nobutaka ONO, Shigeki SAGAYAMA

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Summary :

This paper deals with the problem of underdetermined blind source separation (BSS) where the number of sources is unknown. We propose a BSS approach that simultaneously estimates the number of sources, separates the sources based on the sparseness of speech, estimates the direction of arrival of each source, and performs permutation alignment. We confirmed experimentally that reasonably good separation was obtained with the present method without specifying the number of sources.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.10 pp.1928-1937
Publication Date
2013/10/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.1928
Type of Manuscript
Special Section PAPER (Special Section on Sparsity-aware Signal Processing)
Category

Authors

Hirokazu KAMEOKA
  The University of Tokyo,NTT Corporation
Misa SATO
  The University of Tokyo
Takuma ONO
  The University of Tokyo
Nobutaka ONO
  National Institute of Informatics
Shigeki SAGAYAMA
  The University of Tokyo

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