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 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA 2013-10-11
13:30
Kyoto NTT CS Lab. Source number estimation under reverberant and underdetermined conditions based on clustering of source activity sequences
Nobutaka Ito, Ingrid Jafari, Shoko Araki, Tomohiro Nakatani (NTT) EA2013-66
 [more] EA2013-66
pp.17-21
SP, EA, SIP 2013-05-16
10:55
Okayama   Permutation-free clustering-based source separation based on time-varying mixture weights
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani (NTT) EA2013-2 SIP2013-2 SP2013-2
To avoid the permutation problem in clustering-based source separation, we introduce a mixture model with time-varying, ... [more] EA2013-2 SIP2013-2 SP2013-2
pp.7-12
EA 2010-12-10
13:20
Ibaraki Univ. of Tsukuba Blind source separation with distributed microphone pairs and investigation of performance gain using post-filter
Takuma Ono, Nobutaka Ito, Shigeki Miyabe, Nobutaka Ono, Shigeki Sagayama (Tokyo Univ.) EA2010-101
In this paper, we discuss microphone location and the separation method using frequency-domain independent component ana... [more] EA2010-101
pp.25-30
EA 2010-12-10
13:45
Ibaraki Univ. of Tsukuba Diffuse noise robust multiple source localization based on noise reduction in covariance matrix domain
Nobutaka Ito (Univ. Tokyo), Emmanuel Vincent (INRIA Rennes), Nobutaka Ono (Univ. Tokyo), Remi Gribonval (INRIA Rennes), Shigeki Sagayama (Univ. Tokyo) EA2010-102
In this paper, we propose a method for estimating the azimuths of multiple sound sources accurately even in the presence... [more] EA2010-102
pp.31-36
SIP, EA 2008-05-29
14:50
Osaka Kansai Univ. Diffuse noise suppression by crystal-array-based post-filter design
Nobutaka Ito, Nobutaka Ono, Shigeki Sagayama (Univ. of Tokyo) EA2008-13 SIP2008-22
In this paper, we propose a method for suppressing diffuse noise, effective even with small-sized arrays. The multichann... [more] EA2008-13 SIP2008-22
pp.43-46
EA 2007-09-28
15:35
Nara Nara Institute of Science and Technology [Special Talk] Source Separation by Time-Variant Filter Based on Stochastic Models
Nobutaka Ono, Yosuke Izumi, Nobutaka Ito, Shigeki Sagayama (Univ. Tokyo) EA2007-59
In this paper,
we introduce our recent approach to two topics:
1) underdetermined ICA in noisy environment,
2) target... [more]
EA2007-59
pp.25-30
 Results 1 - 6 of 6  /   
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