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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 29  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, SP, EA, IPSJ-SLP [detail] 2024-02-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
Accelerating and stabilizing vectorwise coordinate descent for spatially regularized independent low-rank matrix analysis
Yuto Ishikawa, Takuya Okubo, Norihiro Takamune (UTokyo), Tomohiko Nakamura (AIST), Daichi Kitamura (NIT Kagawa), Hiroshi Saruwatari (UTokyo), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2023-68 SIP2023-115 SP2023-50
(To be available after the conference date) [more] EA2023-68 SIP2023-115 SP2023-50
pp.43-50
EMM, EA, ASJ-H 2023-11-23
13:00
Toyama   [Poster Presentation] A Study of Complexity Reduction for Classification of Musical Instruments Using Element Selection
Ryu Kato, Natsuki Ueno, Nobutaka Ono (Tokyo Metropolitan Univ.), Ryo Matsuda, Kazunobu Kondo (Yamaha Corp.) EA2023-37 EMM2023-68
In this study, we propose complexity reduction in convolutional-neural-network (CNN)-based music instruments classificat... [more] EA2023-37 EMM2023-68
pp.51-56
SP, EA, SIP 2020-03-02
10:10
Okinawa Okinawa Industry Support Center
(Cancelled but technical report was issued)
Multichannel NMF with Joint-Diagonalizable Constraint Based on Generalized Gaussian Distribution for Blind Source Separation
Keigo Kamo, Yuki Kubo, Norihiro Takamune (UTokyo), Daichi Kitamura (NIT Kagawa), Hiroshi Saruwatari (UTokyo), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2019-103 SIP2019-105 SP2019-52
Multichannel nonnegative matrix factorization (MNMF) is a blind source separation technique, which employs the full-rank... [more] EA2019-103 SIP2019-105 SP2019-52
pp.13-19
EA, ASJ-H 2019-10-28
14:00
Tokyo NHK Science&Technology Research Lab. FastMNMF based on multivariant complex Student's t distribution for blind source separation
Keigo Kamo, Yuki Kubo, Norihiro Takamune (UTokyo), Daichi Kitamura (Kagawa NCIT), Hiroshi Saruwatari (UTokyo), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2019-40
FastMNMF is a blind source separation technique, which is an accelerated algorithm of multichannel nonnegative matrix fa... [more] EA2019-40
pp.23-29
EA, ASJ-H 2017-07-21
13:40
Hokkaido Hokkaido Univ. [Poster Presentation] ILRMA with complex Student's t source model
Shinichi Mogami, Daichi Kitamura, Norihiro Takamune, Yoshiki Mitsui, Hiroshi Saruwatari (Univ. of Tokyo), Nobutaka Ono (NII), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2017-23
(To be available after the conference date) [more] EA2017-23
pp.131-136
EA, SP, SIP 2016-03-29
13:15
Oita Beppu International Convention Center B-ConPlaza Effective basis learning for sound source separation by semi-supervised nonnegative matrix factorization
Daichi Kitamura (SOKENDAI), Nobutaka Ono (NII/SOKENDAI), Hiroshi Saruwatari (UT), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2015-130 SIP2015-179 SP2015-158
This paper addresses a sound source separation problem and proposes an effective basis learning method for semi-supervis... [more] EA2015-130 SIP2015-179 SP2015-158
pp.355-360
EA 2015-12-11
15:15
Ishikawa Kanazawa Univ., Satellite Plaza [Poster Presentation] Analysis on Degree of Freedom for Supervised NMF with All-Pole-Model-Based Basis Deformation
Hiroaki Nakajima (UTokyo), Daichi Kitamura (SOKENDAI), Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari (UTokyo), Nobutaka Ono (NII/SOKENDAI), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2015-42
Conventional supervised NMF has the critical problem that a mismatch between the bases trained in advance and the target... [more] EA2015-42
pp.13-18
EA, US
(Joint)
2014-01-28
14:30
Osaka Kansai University, Centenary Memorial Hall Postfilter-based nonnegative matrix factorization with statistical model parameter estimation
Yuki Murota, Daichi Kitamura, Shunsuke Nakai, Hiroshi Saruwatari, Satoshi Nakamura (NAIST), Kazunobu Kondo, Yu Takahashi (YAMAHA) EA2013-116
(To be available after the conference date) [more] EA2013-116
pp.75-80
EA, US
(Joint)
2014-01-28
15:20
Osaka Kansai University, Centenary Memorial Hall Study on biased a priori SNR estimation for musical-noise-free MMSE short-time spectral amplitude estimator
Shunsuke Nakai, Ryoichi Miyazaki, Hiroshi Saruwatari, Satoshi Nakamura (NAIST), Kazunobu Kondo (YAMAHA) EA2013-118
(To be available after the conference date) [more] EA2013-118
pp.87-92
EA 2013-07-19
15:15
Hokkaido Health Sci. Univ. of Hokkaido Evaluation of musical-noise-free blind speech extraction under nonstationary noise environment
Ryoichi Miyazaki, Hiroshi Saruwatari, Satoshi Nakamura, Kiyohiro Shikano (NAIST), Kazunobu Kondo (YAMAHA) EA2013-51
We have already proposed a musical-noise-free blind speech extraction method using a microphone array that can be applie... [more] EA2013-51
pp.105-110
SP, EA, SIP 2013-05-16
17:45
Okayama   Study on optimal divergence for superresolution-based supervised nonnegative matrix factorization
Daichi Kitamura, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo, Yu Takahashi (YAMAHA) EA2013-14 SIP2013-14 SP2013-14
This paper addresses a stereo signal separation problem and gives an experimental study on optimal divergence for superr... [more] EA2013-14 SIP2013-14 SP2013-14
pp.79-84
SIS 2013-03-07
17:15
Shizuoka Create Hamamatsu [Invited Talk] Introduction of Music Signal and Information Processing Technologies in Corporate Research and Development Center, Yamaha Corporataion
Kazunobu Kondo (Yamaha) SIS2012-61
We introduce research and development of signal and information
processing in Corporate Research \& Development Center,... [more]
SIS2012-61
pp.85-90
US, EA
(Joint)
2013-01-24
11:00
Kyoto Kambaikan, Doshisha Univ. Low-Distortion Structure of Music Signal Separation Combining Directional Clustering and Nonnegative Matrix Factorization
Yusuke Iwao, Hiroshi Saruwatari, Noriyoshi Kamado, Kiyohiro Shikano (NAIST), Kazunobu Kondo, Yu Takahashi (Yamaha) EA2012-120
In this paper, we address a music signal separation problem with low-distortion structure method combining directional c... [more] EA2012-120
pp.7-12
US, EA
(Joint)
2013-01-24
11:20
Kyoto Kambaikan, Doshisha Univ. Signal separation for real instruments based on supervised NMF with basis deformation
Daichi Kitamura, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo, Yu Takahashi (Yamaha) EA2012-121
Nonnegative Matrix Factorization (NMF) is one of the technique used for separation of an audio mixture that consists of ... [more] EA2012-121
pp.13-18
EA 2012-12-13
14:10
Tokyo National Institute of Informatics Reducing Computational Complexity of FDICA Source Separation Based on Source Number Evaluation
Yusuke Mizuno (Nagoya Univ.), Kazunobu Kondo (Yamaha), Takanori Nishino (Mie Univ.), Norihide Kitaoka, Kazuya Takeda (Nagoya Univ.) EA2012-110
A faster computation method for performing frequency domain independent component analysis (FDICA) is proposed. Source s... [more] EA2012-110
pp.5-10
EA 2012-06-08
13:15
Shizuoka Yamaha Co. Harmonic and nonharmonic signal decomposition for musical signal using cepstral domain median filtering
Yu Takahashi, Kazunobu Kondo, Seiichi Hashimoto (Yamaha) EA2012-39
 [more] EA2012-39
pp.37-42
EA 2012-06-08
15:35
Shizuoka Yamaha Co. Mathematical Metric of Musical Noise for Various Nonlinear Speech Enhancement Algorithms
Suzumi Kanehara, Ryoichi Miyazaki, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Yamaha) EA2012-44
In this paper, we propose a new theoretical analysis of amount of musical noise generated in several noise reduction met... [more] EA2012-44
pp.67-72
EA 2012-03-16
14:15
Tokyo Central Research Laboratory, Hitachi, Ltd. Iterative Blind Spatial Subtraction Array for Musical-Noise-Free Speech Enhancement in Diffuse Noise
Ryoichi Miyazaki, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (YAMAHA) EA2011-125
In this report, we propose a new iterative signal extraction method using a microphone array that can be applied to nons... [more] EA2011-125
pp.31-36
EA, US
(Joint)
2012-01-26
13:30
Osaka Kansai Univ. Evaluation of Musical-Noise-Free Noise Reduction Under Real Acoustic Environments
Ryoichi Miyazaki, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (YAMAHA) EA2011-108
In this report, we propose a new theory of nonlinear noise reduction with
a perfectly musical-noise-free property, wher... [more]
EA2011-108
pp.25-30
EA 2011-07-15
15:15
Osaka Campus Port Osaka Instrumental signal separation based on non-negative matrix factorization with target signal information
Kosuke Yagi, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo, Yu Takahashi (YAMAHA) EA2011-46
In this paper, we address a separation of multiple instrumental sources based on supervised nonnegative matrix factoriza... [more] EA2011-46
pp.21-26
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