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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CPSY, IPSJ-ARC, IPSJ-HPC | 2023-12-05 17:40 |
Okinawa | Okinawa Industry Support Center (Primary: On-site, Secondary: Online) |
Evaluation of conversion overheads for the sparse matrix format appliying indices of the non-zero elements dictionary compression to accelerate SpMV on GPU Shun Murakami (JAIST), Kazunori Yoneda, Iwamura Takashi, Masahiro Watanabe (Fujitsu Japan), Yasushi Inoguchi (JAIST)  CPSY2023-31 |
In recent years, as numerical simulations have become increasingly complex and large-scale. There is a growing demand fo... [more] | CPSY2023-31 pp.25-30 |
| EA, US (Joint) |
2022-12-23 09:00 |
Hiroshima | Satellite Campus Hiroshima | Proposal of Speech Decomposition Algorithm by Cepstral-Basis-Decomposed Nonnegative Matrix Factorization and Application to Speech Source Separation Technique Fuga Oshima, Masashi Nakayama (Hiroshima City) EA2022-69 |
Nonnegative matrix factorization (NMF) is the algorithm that effectively represents acoustical signals by inputting ampl... [more] | EA2022-69 pp.49-54 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 10:10 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
A 5.2GHz-Band Reflection-Type Retrodirective Array Using Butler Matrix with Broadside Couplers Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 |
In backscatter system, increasing the gain of the tag antennas is an important task for extending the communication rang... [more] | EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 pp.62-65 |
| MW | 2021-05-20 13:30 |
Online | Online | Trial Fabrication and Evaluation of PTFE Substrate Integrated Waveguide Butler Matrix for Short Millimeter-Wave Mitsuyoshi Kishihara (Okayama Pref. Univ.), Kaito Fujitani, Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2021-6 |
This paper attempts to fabricate and evaluate a 4×4 Butler matrix for short millimeter-wave, based on the fabrication pr... [more] | MW2021-6 pp.5-10 |
| CS, CQ (Joint) |
2021-05-14 10:25 |
Online | On-line | [Invited Lecture]
Matrix Completion Based Missing RSS Sequence Recovery and Future Value Prediction Norisato Suga (ATR/TUS), Kazuto Yano (ATR), Julian Webber (ATR/Osaka Univ.), Yafei Hou (ATR/Okayama Univ.), Eiji Nii, Toshihide Higashimori, Yoshinori Suzuki (ATR) CQ2021-12 |
This paper proposes rank minimization and matrix factorization (MF) based interpolations of received signal strength (RS... [more] | CQ2021-12 pp.47-52 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-04 10:15 |
Online | Online | A quantitative measure of discriminability between NMF dictionaries Eisuke Konno, Daisuke Saito, Nobuaki Minematsu (UTokyo) EA2020-82 SIP2020-113 SP2020-47 |
Supervised nonnegative matrix factorization (NMF) is a popular approach for monaural audio source separation. It realize... [more] | EA2020-82 SIP2020-113 SP2020-47 pp.134-139 |
| AP, SANE, SAT (Joint) |
2020-07-17 13:50 |
Online | Online | Prototype Development and Basic Experimental Evaluation of Service Link Antenna for Footprint Fixation in HAPS System Shoichi Sudo, Kenji Hoshino, Yoshichika Ohta (SB) AP2020-22 |
High-Altitude Platform Station (HAPS) is attracting attention as a new communication platform for disaster countermeasur... [more] | AP2020-22 pp.75-80 |
| PRMU, MI, IPSJ-CVIM [detail] | 2019-09-05 10:35 |
Okayama | [Short Paper]
Dynamic PET Image Reconstruction using Non-Negative Matrix Decomposition with Deep Image Prior Tomoshige Shimomura, Kazuya Kawai (NIT), Muneyuki Sakata (Tokyo Metro. Inst. Gerontology), Yuichi Kimura (KU), Tatsuya Yokota, Hidekata Hontani (NIT) PRMU2019-24 MI2019-43 |
We present a PET image reconstruction method that can reconstruct dynamic PET images with high SN ratio and can simultan... [more] | PRMU2019-24 MI2019-43 pp.69-70 |
|
| AP, SANE, SAT (Joint) |
2018-07-19 14:25 |
Hokkaido | Hokkaido Univ. | Performance Evaluation of Multi-Beam Massive MIMO Using 64 Multi-Beam Pattern Akinori Kudo, Kentaro Nishimori, Ryotaro Taniguchi, Shota Ogawa, Fumiya Muramatsu (Niigata Univ.), Takefumi Hiraguri (NIT.), Jiro Hirokawa (Tokyo Tech.) AP2018-55 |
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more] | AP2018-55 pp.79-84 |
| EMM | 2018-01-29 15:30 |
Miyagi | Tohoku Univ. (Aobayama Campus) | Note estimation by contaminated normal distribution for audio watermarking method using non-negative matrix factorization Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) EMM2017-69 |
For audio signals, the sound quality of stego signal should not deteriorate. With current methods, high sound quality me... [more] | EMM2017-69 pp.19-24 |
| AP | 2017-10-20 14:00 |
Aomori | Hchinohe-Shoukou-Kaikan | Propagation Analysis by Number of Beams for Horizontal Antenna Pattern
-- Base Station Antenna Characteristics by Single Beam or Multi-Beam -- Mayumi Yoshino, Doppo Sugimura, Makoto Mizumura (Dengyo), Yoshio Ebine (NAZCA) AP2017-104 |
In this paper, we consider number of horizontal antenna pattern beams and perform propagation analysis in urban or subur... [more] | AP2017-104 pp.51-56 |
| MBE, NC (Joint) |
2017-03-14 11:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental evaluation of voluntarily activatable muscle synergies Shunta Togo (UEC/ATR), Hiroshi Imamizu (Tokyo Univ./ATR) NC2016-77 |
This study tested hypothesis that the individual muscle synergies extracted by non-negative matrix factorization (NMF) i... [more] | NC2016-77 pp.79-84 |
| EMM | 2017-03-07 10:15 |
Okinawa | Miyakojima Marin Terminal Building (Okinawa) | Improvement of pitch estimation for audio watermarking method using non-negative matrix factorization Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) EMM2016-100 |
For audio signals, the sound quality of stego signal should not deteriorate. With current methods, high sound quality me... [more] | EMM2016-100 pp.79-84 |
| MW, ICD | 2017-03-02 09:00 |
Okayama | Okayama Prefectural Univ. | Fabrication of Integrated PTFE-Filled Waveguide Butler Matrix for Short Millimeter-Wave by SR Etching
-- Construction Using Cruciform Couplers and Intersection Circuits -- Mitsuyoshi Kishihara (Okayama Pref. Univ.), Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2016-188 ICD2016-118 |
This paper attempts to fabricate an integrated waveguide Butler matrix for short millimeter-wave using SR etching proces... [more] | MW2016-188 ICD2016-118 pp.1-6 |
| AP | 2017-02-17 10:20 |
Tochigi | Tochigiken-sougou-bunnka Center | [Invited Lecture]
Ray Tracing Propagation Analysis by Considering with Multi-Beam Antenna Pattern Mayumi Yoshino, Doppo Sugimura, Makoto Mizumura (Dengyo), Yoshio Ebine (NAZCA) AP2016-169 |
In this paper，we perform ray tracing propagation analysis considering with multi-beam antenna to investigate the effect ... [more] | AP2016-169 pp.71-76 |
| EMM | 2017-01-30 15:15 |
Miyagi | Tohoku University (Miyagi) | A study of multiple audio watermarking method using non-negative matrix factorization Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) EMM2016-77 |
For audio signals, the sound quality of stego signal should not deteriorate. With current methods, high sound quality me... [more] | EMM2016-77 pp.19-24 |
| EE | 2017-01-26 14:45 |
Nagasaki | Nagasaki University | [Poster Presentation]
Simple PWM strategy of Matrix Conveters for Reducing Output Voltage Harmonics Kazuki Nohara, Takaharu Takeshita (Nagoya Institute of Technology) EE2016-75 |
This paper presents simple PWM strategy of a matrix converter(MC) in minimal number of commutations for reducing output ... [more] | EE2016-75 pp.139-144 |
| EA, EMM | 2016-11-17 15:25 |
Oita | Compal Hall (Oita) | A study of audio watermarking method using non-negative matrix factorization for a duet of different instruments Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) EA2016-52 EMM2016-58 |
For audio signals, the sound quality of stego signal should not deteriorate. With current methods, high sound quality me... [more] | EA2016-52 EMM2016-58 pp.25-30 |
| ITE-ME, IE, EMM, LOIS, IEE-CMN [detail] | 2016-09-16 15:00 |
Aichi | Aichi Prefectural University | An audio watermarking method using non-negative matrix factorization separated the bases of host signal and watermark signal Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) LOIS2016-26 IE2016-63 EMM2016-52 |
For audio signals, the sound quality of stego signal should not deteriorated as much as host signal. With current method... [more] | LOIS2016-26 IE2016-63 EMM2016-52 pp.61-66 |
| IT, EMM | 2016-05-20 13:40 |
Hokkaido | Otaru Economic Center | Improvement of the embedding capacity for audio watermarking method using non-negative matrix factorization Harumi Murata (Chukyo Univ.), Akio Ogihara (Kindai Univ.) IT2016-15 EMM2016-15 |
For audio signals, we propose a method focused on a chord of music theory and embed the watermarks in consonance with ho... [more] | IT2016-15 EMM2016-15 pp.87-92 |
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