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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, SIP, SP, IPSJ-SLP [detail] | 2025-03-03 12:20 |
Okinawa | (Okinawa) | Memory-efficient and low-computational hierarchical musical instruments classification using element selection Ryu Kato (Tokyo Metropolitan Univ.), Natsuki Ueno (Kumamoto Univ./), Nobutaka Ono (Tokyo Metropolitan Univ.), Ryo Matsuda, Kazunobu Kondo, Yu Takahashi (Yamaha Corp.) |
[more] | |
| EA, US (Joint) |
2024-12-20 13:45 |
Oita | OITAUniv (Oita) | [Poster Presentation]
Investigation of Projection Back in Spatially Regularized Independent Low-Rank Matrix Analysis Using Simultaneous Steering Vector Estimation Sota Hirata, Norihiro Takamune, Kouei Yamaoka (The University of Tokyo), Daichi Kitamura (NIT, Kagawa), Hiroshi Saruwatari (The University of Tokyo), Yu Takahashi, Kazunobu Kondo (Yamaha Corp.)  EA2024-68 |
Blind source separation (BSS) is a technique to separate each source signal from observed mixtures without any prior inf... [more] | EA2024-68 pp.26-33 |
| SIP, SP, EA, IPSJ-SLP [detail] | 2024-02-29 10:30 |
Okinawa | (Okinawa, Online) (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 |
Spatially regularized independent low-rank matrix analysis (SR-ILRMA) is the method that introduces the spatial prior in... [more] | EA2023-68 SIP2023-115 SP2023-50 pp.43-50 |
| SP, EA, SIP | 2020-03-02 10:10 |
Okinawa | Okinawa Industry Support Center (Okinawa) (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. (Tokyo) | 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. (Hokkaido) | [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 (Oita) | 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 (Ishikawa) | [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 |
| ET | 2015-01-31 14:55 |
Tokyo | Mejiro Univ. (Tokyo) | An Experiment of Supporting Self Reflection based on the Visualization of Characteristics of Velocity in the Speed Skating Yu Takahashi, Mizue Kayama, Masami Hashimoto (Shinshu Univ.), Takao Futagami (Toyo Corp.), Masahiro Yuki (Shinshu Univ.) ET2014-81 |
This research aims to develop the visualization aided speed skating performance improvement. Here in this paper focuses ... [more] | ET2014-81 pp.51-56 |
| EA, US (Joint) |
2014-01-28 14:30 |
Osaka | Kansai University, Centenary Memorial Hall (Osaka) | 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 |
| SP, EA, SIP | 2013-05-16 17:45 |
Okayama | (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 |
| US, EA (Joint) |
2013-01-24 11:00 |
Kyoto | Kambaikan, Doshisha Univ. (Kyoto) | 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. (Kyoto) | 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 | 2012-06-08 13:15 |
Shizuoka | Yamaha Co. (Shizuoka) | 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 | 2011-07-15 15:15 |
Osaka | Campus Port Osaka (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 |
| EA | 2011-03-18 10:00 |
Aichi | Nagoya Univ. (Aichi) | Tiny-setup Blind Source Separation via Time-Varying Softmask based on Alternative Separation Matrix Kazunobu Kondo, Yu Takahashi, Seiichi Hashimoto (Yamaha Corp.), Takanori Nishino (Mie Univ.), Kazuya Takeda (Nagoya Univ.) EA2010-126 |
Frequency domain independent component analyis has received much attention from many industries for high performace spee... [more] | EA2010-126 pp.1-6 |
| EA | 2010-06-11 11:00 |
Hokkaido | Health Sci. Univ. of Hokkaido (Hokkaido) | Mathematical metric of amount of musical noise in recursive spectral subtraction Takayuki Inoue, Hiroshi Saruwatari, Yu Takahashi, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Yamaha Corporate Research and Development Center) EA2010-30 |
In this paper, we provide a new theoretical analysis of the amount of musical noise generated via iterative spectral sub... [more] | EA2010-30 pp.47-52 |
| SP, EA, SIP | 2010-05-26 16:00 |
Hyogo | Konan Univ. (Hirao Seminar House) (Hyogo) | MMSE STSA Estimator with ICA-Based Nonstationary Noise Estimation for High-Quality Speech Enhancement Hiroshi Saruwatari, Ryoi Okamoto, Yu Takahashi, Kiyohiro Shikano (NAIST) EA2010-6 SIP2010-6 SP2010-6 |
[more] | EA2010-6 SIP2010-6 SP2010-6 pp.31-36 |
| SP, EA, SIP | 2010-05-26 16:25 |
Hyogo | Konan Univ. (Hirao Seminar House) (Hyogo) | Mathematical metric of musical noise in arbitrary exponent domain SS Takayuki Inoue, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Center for Advanced Sound Techonogies, Yamaha Corp) EA2010-7 SIP2010-7 SP2010-7 |
In this paper, we provide a new theoretical analysis of the amount of musical noise generated via generalized spectral s... [more] | EA2010-7 SIP2010-7 SP2010-7 pp.37-42 |
| EA | 2009-12-11 15:00 |
Tokyo | (Tokyo) | Blind source separation combining closed-form second-order ICA and least-squares ICA Teppei Matsumoto, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST) EA2009-96 |
In recent years, a system that can pick up a specific sound source signal from recorded sounds, e.g., a system makes min... [more] | EA2009-96 pp.19-24 |
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