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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WBS (2nd) |
2019-12-17 - 2019-12-18 |
Aichi | Hotel Kinsenkaku | Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications Akio Tsuneda (Kumamoto Univ.) |
The SIK (sequence inversion keyed) CDMA (code division multiple access) system was proposed as one of optical CDMA commu... [more] | |
| CQ | 2019-07-18 13:00 |
Niigata | Niigata Univ. | [Poster Presentation]
A study of source separation method for non-negative matrix factorization using machine learning Satoru Jomae, Kenko Ota, Hideaki Yoshino (NIT)  CQ2019-48 |
We proposed a sound source separation method which consists of Non-negative matrix factorization and deep neural network... [more] | CQ2019-48 pp.63-64 |
| SDM | 2019-01-29 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Multidomain Dynamics of Ferroelectric Polarization in Negative Capacitance State and its Impacts on Performances of Field-Effect Transistors Hiroyuki Ota, Tsutomu Ikegami, Koichi Fukuda, Junichi HattoriI, Hidehiro Asai, Kazuhiko Endo, Shinji Migita (AIST), Akira Toriumi (The Univ. of Tokyo) SDM2018-81 |
In this paper, we clarified the multidomain dynamics of ferroelectric polarization in the Negative Capacitance Field-Eff... [more] | SDM2018-81 pp.1-4 |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-19 13:00 |
Okinawa | [Poster Presentation]
Performance Evaluation of Initial Value Setting Method for Spatial Correlation Matrices in Multi-channel NMF Yu Tajima, Akira Tanaka (Hokkaido Univ.) EA2017-130 SIP2017-139 SP2017-113 |
The multi-channel nonnegative matrix factorization (MNMF) is an extension of the single-channel nonnegative matrix facto... [more] | EA2017-130 SIP2017-139 SP2017-113 pp.161-162 |
|
| EA | 2018-02-16 13:10 |
Hiroshima | Pref. Univ. Hiroshima | The effect of increasing the number of channels with multi-channel non-negative matrix factorization for noisy speech recognition Takanobu Uramoto (Oita Univ.), Youhei Okato, Toshiyuki Hanazawa (Mitsubishi Electric), Iori Miura, Shingo Uenohara, Ken'ich Furuya (Oita Univ.) EA2017-99 |
Nonnegative Matrix Factorization (NMF) factorizes a non-negative matrix into two non-negative matrices. In the field of ... [more] | EA2017-99 pp.33-38 |
| EMM, EA | 2014-11-21 10:40 |
Fukuoka | Multichannel non-negative matrix factorization with orthogonality constraints for sound source separation Fuminori Yoshiyama, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya (Oita Univ.) EA2014-32 EMM2014-60 |
This paper proposes a blind source separation method based on multichannel non-negative factorization (NMF) with orthogo... [more] | EA2014-32 EMM2014-60 pp.25-30 |
|
| ISEC | 2014-05-09 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | New Negative Biases in Long-Term Glimpse of RC4 Ryoma Ito, Atsuko Miyaji (JAIST) ISEC2014-3 |
RC4 stream cipher was designed by Ron Rivest in 1987 and is widely used for protocol, such as SSL/TLS, WEP, WPA and more... [more] | ISEC2014-3 pp.13-19 |
| CAS | 2013-01-28 09:25 |
Oita | Beppu International Convention Center | Performance Evaluation of Spreading Codes with Negative Auto-Correlation Based on M-sequences and Chaos Theory Shohei Tokunaga, Akio Tsuneda (Kumamoto Univ.) CAS2012-66 |
Spreading codes with appropriate negative auto-correlation can reduce average multiple access interference (MAI) in asyn... [more] | CAS2012-66 pp.5-10 |
| CAS | 2013-01-29 14:55 |
Oita | Beppu International Convention Center | Performance Evaluation of Spreading Codes with Negative Auto-Correlation Based on Gold Sequences and Chaos Theory
-- BER in Asynchronous DS/CDMA Communications under AWGN Environment -- Satoshi Abe, Akio Tsuneda (Kumamoto Univ.) CAS2012-87 |
In asynchronous DS/CDMA communications, spreading codes with appropriate negative auto-correlation can reduce bit error ... [more] | CAS2012-87 pp.121-124 |
| CAS | 2013-01-29 15:15 |
Oita | Beppu International Convention Center | BER Evaluation of Asynchronous SIK Optical CDMA Communications Using Spreading Codes with Negative Auto-Correlation Seiji Araki, Akio Tsuneda (Kumamoto Univ.) CAS2012-88 |
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] | CAS2012-88 pp.125-128 |
| AP, MW (Joint) |
2012-09-27 13:00 |
Saitama | KDDI R&D LABS | The overseas propagation characteristic of the 5-GHz space diversity which has arranged the antenna to negative correlation Kanemi Sasaki, Hiroyuki Murakami, Shinya Kobayashi, Kenya Tomaru (Hitachi Kokusai Electric) AP2012-85 |
In this report, as a method being suitable for long-range oversea propagation, we propose a configuration method of spac... [more] | AP2012-85 pp.19-24 |
| CAS | 2012-01-19 14:45 |
Fukuoka | Kyushu Univ. | Evaluation of Spreading Codes with Negative Auto-Correlation Based on M-Sequences and Chaos Theory Shohei Tokunaga, Akio Tsuneda (Kumamoto Univ.) CAS2011-95 |
Spreading sequences with appropriate negative auto-correlation can reduce average multiple access interference (MAI) in ... [more] | CAS2011-95 pp.59-62 |
| 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 |
| CAS | 2011-01-25 16:05 |
Kumamoto | Kumamoto University | Design of Circuits for Generating Binary Sequences with Negative Correlation Based on Feedback-Limited NFSRs and Their Application to CDMA Communications Yoshiro Kawabe, Akio Tsuneda (Kumamoto Univ.) CAS2010-92 |
Nonlinear feedback shift registers (NFSRs) can produce a lot of maximal-period sequences called {\it Bruijn sequences}.... [more] |
CAS2010-92 pp.45-49 |
| CAS, NLP | 2009-01-23 10:00 |
Miyazaki | BER Performance of Spreading Sequences with Negative Auto-correlations Based on Chaos Theory and LFSR Sequences Akio Tsuneda, Yasunori Miyazaki (Kumamoto Univ.) CAS2008-87 NLP2008-117 |
In asynchronous DS/CDMA systems, spreading sequences with appropriate negative auto-correlation properties can outperfo... [more] |
CAS2008-87 NLP2008-117 pp.131-136 |
|
| SP, NLC | 2008-12-09 14:35 |
Tokyo | Waseda Univ. | Speech Feature Extraction Using Constrained Nonnegative Matrix Factorization Hyunsin Park, Tetsuya Takiguchi, Yasuo Ariki (Kobe Univ.) NLC2008-31 SP2008-86 |
n this paper, we propose a speech feature extraction approach using nonnegative matrix factorization (NMF), and a new in... [more] | NLC2008-31 SP2008-86 pp.43-48 |
| ED | 2007-06-15 13:50 |
Toyama | Toyama Univ. | Study of localized spins in Be delta-doped GaAs structure J.p. Noh, D.w. Jung, A. z. m. Touhidul Islam, Nobuo Otauka (JAIST) ED2007-33 |
The correlation of between the negative magnetoresistance and concentration of localized holes in Be/Si pair delta-doped... [more] | ED2007-33 pp.13-16 |
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