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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| BioX, SIP, IE, ITE-IST, ITE-ME [detail] | 2023-05-18 14:45 |
Mie | Sansui Hall, Mie University (Primary: On-site, Secondary: Online) |
Kohei Hayashi (NITech), Yoshihiro Maeda (TUS), Norishige Fukushima (NITech)  SIP2023-4 BioX2023-4 IE2023-4 |
A wavelet transform is a widely used type of frequency conversion that analyzes changes in frequency and space-time info... [more] | SIP2023-4 BioX2023-4 IE2023-4 pp.10-15 |
| IN, NS, CS, NV (Joint) |
2021-09-09 13:30 |
Online | Online | {Architecture for Configurable Real-time Device Identification in Campus Core Networks Kohei Hayashi (Osaka City Univ.), Kota Tuchie, Nobuyuki Nakamura, Taketsugu Yao (OKI), Shingo Ata (Osaka City Univ.) IN2021-14 |
In recent years, data traffic of IoT devices is increasing rapidly. In order to achieve a secure management of large-sca... [more] | IN2021-14 pp.13-18 |
| HPB (2nd) |
2019-02-15 15:55 |
Tokyo | Surface EMG analysis of forearm for context estimation of car drivers Kohei Hayashi, Hiroki Saito (Meiji Univ.) |
[more] | ||
| IBISML | 2016-11-17 14:00 |
Kyoto | Kyoto Univ. | Tensor Decomposition with Smoothness Masaaki Imaizumi (UT), Kohei Hayashi (AIST) IBISML2016-94 |
(To be available after the conference date) [more] | IBISML2016-94 pp.345-352 |
| CCS | 2016-11-05 11:15 |
Kyoto | Kyoto Sangyo Univ. (Musubiwaza Bldg.) | Optimization of Device-to-Device Communication by Coherent Ising Machine Kohei Hayashi (TUS), Hiroyuki Yasuda (UTokyo), Thong Huynh, Kaori Kuroda (TUS), Kazuyuki Aihara (UTokyo), Mikio Hasegawa (TUS) CCS2016-44 |
The Coherent Ising Machine is the Ising model using a network of lasers with binary oscillation conditions. By mapping t... [more] | CCS2016-44 pp.67-70 |
| IBISML | 2015-11-27 14:00 |
Ibaraki | Epochal Tsukuba | [Poster Presentation]
Bayesian Masking for Sparse Feature Selection Yohei Kondo (Kyoto Univ.), Kohei Hayashi (NII), Shin-ichi Maeda (Kyoto Univ.) IBISML2015-88 |
In linear regression, we can reduce the weights of irrelevant features by L2 or L1 regularization. However, such a regul... [more] | IBISML2015-88 pp.265-272 |
| NLP | 2015-05-18 14:30 |
Aomori | Yu-sa Asamushi | Virtualization of LTE Core Networks and Optimization of its Performance Kohei Hayashi, Hiroyuki Yasuda (Tokyo Univ. of Science), Yozo Shoji (NICT), Mikio Hasegawa (Tokyo Univ. of Science) NLP2015-29 |
Growing popularity of smartphones and tablet computers is making increase of signaling and processing load on mobile cor... [more] | NLP2015-29 pp.13-16 |
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
Multi-stage danger sound detection based on power envelope and spectal ratio Asako Okamoto, Kohei Hayashida, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2014-122 SIP2014-163 SP2014-185 |
Danger sound detection methods with environmental sounds have been proposed for monitoring the safety of the elder peopl... [more] | EA2014-122 SIP2014-163 SP2014-185 pp.279-284 |
|
| SP | 2014-02-28 10:00 |
Tokushima | The University of Tokushima | A proposal of close/distant talker discrimination based on kurtosis of linear prediction residual signals Kohei Hayashida, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.), Toshiharu Horiuchi, Tsuneo Kato (KDDI R&D Labs.) SP2013-107 |
Desired/undesired speech discrimination is as important as speech/non-speech discrimination to achieve useful applicatio... [more] | SP2013-107 pp.1-6 |
| SIP, RCS | 2013-02-01 09:50 |
Hiroshima | Viewport-Kure-Hotel (Kure) | Study of optimum spatial resolution at each frequency band based on variances of phase differences for real-time sound source localization Kohei Hayashida, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) SIP2012-100 RCS2012-257 |
Conventional near-field sound source localization methods with microphone-array calculate spatial spectrum in each scann... [more] | SIP2012-100 RCS2012-257 pp.115-120 |
| HCS | 2013-01-24 12:25 |
Kochi | Kochi City Culture-Plaza CUL-PORT | A study of essential factors of organizational management in a state of emergency
-- From the experience of Plus Corporation in the Great East Japan Earthquake -- Takeshi Sato, Shutaro Takeuchi, Kyoko Hayashi, Kohei Hayashi, Yuko Hamaya (Globis University) HCS2012-54 |
(To be available after the conference date) [more] | HCS2012-54 pp.1-6 |
| IBISML | 2012-11-07 15:30 |
Tokyo | Bunkyo School Building, Tokyo Campus, Tsukuba Univ. | Weighted Likelihood Policy Search Tsuyoshi Ueno (JST), Kohei Hayashi (UT), Takashi Washio, Yoshinobu Kawahara (OU) IBISML2012-57 |
[more] | IBISML2012-57 pp.165-170 |
| IBISML | 2012-11-08 15:00 |
Tokyo | Bunkyo School Building, Tokyo Campus, Tsukuba Univ. | Optimization of Feature Allocation on Parallel Stochastic Gradient Descent for Sparse Data Kohei Hayashi (Univ. of Tokyo), Ryohei Fujimaki (NEC Labs America) IBISML2012-77 |
(To be available after the conference date) [more] | IBISML2012-77 pp.303-310 |
| EA, SP, SIP | 2012-05-24 16:00 |
Osaka | Osaka Univ. Nakanoshima Center | An evaluation of the real-time sound source localization based on the multi-resolution scanning in spatial and frequency domains Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-16 SIP2012-16 SP2012-16 |
For realizing useful speech interface, pre-processing such as speech enhancement and sound source localization must be f... [more] | EA2012-16 SIP2012-16 SP2012-16 pp.91-96 |
| EA, SP, SIP | 2012-05-25 15:00 |
Osaka | Osaka Univ. Nakanoshima Center | A study of unusual sound detection based on multi stage environmental sound discrimination with multi-reverbrent-condition model Junpei Ogawa, Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-29 SIP2012-29 SP2012-29 |
In recent years, the method for utilizing environmental sounds has been increasingly used for family to monitor the life... [more] | EA2012-29 SIP2012-29 SP2012-29 pp.167-172 |
| EA, SP, SIP | 2012-05-25 16:25 |
Osaka | Osaka Univ. Nakanoshima Center | A study of sound source localization in reverberant environments with blind impulse response estimation Yasuhiro Kuratani, Kohei Hayashida, Masato Nakayama, Masanori Morise, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2012-32 SIP2012-32 SP2012-32 |
The multiple channel 2D-CSP method estimates sound source positions with a microphone-array. In this method, the estimat... [more] | EA2012-32 SIP2012-32 SP2012-32 pp.185-190 |
| IBISML | 2011-11-09 15:45 |
Nara | Nara Womens Univ. | An Extension of Probabilistic PCA for Correlated Samples Kohei Hayashi (NAIST), Masanori Kawakita (Kyushu Univ), Kazushi Ikeda (NAIST) IBISML2011-50 |
Principal component analysis (PCA) is one of dimensional reduction methods and has widely been used for feature extracti... [more] | IBISML2011-50 pp.57-60 |
| IBISML | 2011-11-09 15:45 |
Nara | Nara Womens Univ. | A kernel-based approach for matrix and tensor completion Kohei Hayashi, Takashi Takenouchi (NAIST), Ryota Tomioka, Hisashi Kashima (Univ. Tokyo) IBISML2011-53 |
We study a new kernel-based framework for matrix and tensor completion problems. Our model provides a consistent way to ... [more] | IBISML2011-53 pp.71-77 |
| AP, WPT (Joint) |
2011-10-12 15:25 |
Kanagawa | Kanagawa Womens Center | Microwave Power Transmission Using Open-Ring Resonator Coupling and GaN SBD Kenji Harauchi, Yuichi Iwasaki, Kohei Hayashino, Jin-Ping Ao (Univ.Tokushima), Naoki Shinohara (Kyoto Univ.), Hiroshi Tonomura (UD Trucks), Yasuo Ohno (Univ.Tokushima) |
Experiments on wireless power transmission by microwave are carried out to develop the battery charging of mobile equip... [more] | |
| IBISML | 2011-06-20 10:35 |
Tokyo | Takeda Hall | On the Convergence of Convex Tensor Estimation Ryota Tomioka, Taiji Suzuki (Univ. Tokyo), Kohei Hayashi (NAIST), Hisashi Kashima (Univ. Tokyo) IBISML2011-14 |
凸最適化に基づくテンソル分解アルゴリズムの統計的な性能について解析し，報 告する．従来テンソル分解は非凸の最適化問題として定式化され，そのため性 能の解析は困難であった．本論文では，ある条件のもとで，推定されたテンソ ルを$\h... [more] |
IBISML2011-14 pp.97-102 |
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