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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMM, EA, ASJ-H | 2023-11-23 13:00 |
Toyama | [Poster Presentation]
Full-spherical stereo recording and reproduction Takumi Oami, Wataru Sato, Shun Ito (Tokyo City Univ.), Kaoru Ashihara (Doshisha Univ.), Ryosuke O. Tachibana (AIST), Shogo Kiryu (Tokyo City Univ.)  EA2023-38 EMM2023-69 |
In principle, obtaining information to reproduce a three-dimensional acoustic space requires a four-point measurement. H... [more] | EA2023-38 EMM2023-69 pp.57-62 |
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| WIT, IPSJ-AAC | 2023-03-22 14:55 |
Online | Online | Improvement of chair recognition system for visually impaired people by use of Multi Channelization and CNN. Kazuki Akiyama, Hotaka Takizawa, Akihisa Ohya (Univ. of Tsukuba), Makoto Kobayashi (Tsukuba Univ. of Technology), Mayumi Aoyagi (Aichi Univ. of Education) WIT2022-22 |
There have been several support systems for the visually impaired. Many of them use hard-to-find and expensive devices. ... [more] | WIT2022-22 pp.19-20 |
| PRMU | 2022-10-21 16:10 |
Tokyo | Miraikan - The National Museum of Emerging Science and Innovation (Primary: On-site, Secondary: Online) |
Preliminary Study on Extraction of Cervical Intervertebral Disks from VF using HFE-HE Filter, GC Filter, Multi-channelization and M-Net Luo Shijie, Hotaka Takizawa (Univ. of Tsukuba), Kojiro Mekata (Shijonawate Gakuen Univ.), Hiroyuki Kudo (Univ. of Tsukuba) PRMU2022-30 |
Our previous studies revealed that the extraction accuracy of cervical intervertebral disks from videofluorography can b... [more] | PRMU2022-30 pp.47-49 |
| MI, MICT [detail] | 2021-11-05 15:10 |
Online | Online | Preliminary study on extraction of cervical intervertebral discs from videofluorography during swallowing using 2 layer multi-channelization and M-Net Erika Gunji (Tsukuba Univ.), Kojiro Mekata (Shijonawate Gakuen Univ.), Hotaka Takizawa, Hiroyuki Kudo (Tsukuba Univ.) MICT2021-40 MI2021-38 |
In this study, we propose an extraction method of cervical intervertebral discs in videofluorography (VF) during swallow... [more] | MICT2021-40 MI2021-38 pp.60-61 |
| PRMU | 2019-10-19 10:30 |
Tokyo | Segmentation of Intervertebral Disks from Videofluorography by Optimization of Multi Channelization and CNN Ayano Fujinaka (Univ. of Tsukuba), Kojiro Mekata (Kobe Red Cross Hospi.), Hotaka Takizawa, Hiroyuki Kudo (Univ. of Tsukuba) PRMU2019-43 |
In this report, we propose a segmentation method of cervical intervertebral disks (IDs) in Videofluorography (VF) based ... [more] | PRMU2019-43 pp.65-66 |
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| SIP, EA, SP, MI (Joint) [detail] |
2018-03-19 09:25 |
Okinawa | Stable Estimation Method of Spatial Correlation Matrices for Multi-channel NMF Yuuki Tachioka (Denso IT Lab) EA2017-103 SIP2017-112 SP2017-86 |
Multi-channel non-negative matrix factorization (MNMF) achieves a high sound source separation performance but its initi... [more] | EA2017-103 SIP2017-112 SP2017-86 pp.7-12 |
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| MVE, IE, CQ, IMQ (Joint) [detail] |
2017-03-07 14:55 |
Fukuoka | Kyusyu Univ. Ohashi Campus | Examination of the basic and the complex impression scale of auditory presence (5)
-- Comparison of impressions on 22.2ch auditory contents varied about dynamic range -- Takashi Taniguchi (Osaka Gakuin Univ.), Satoshi Oode, Tomomi Hasegawa, Yasushige Nakayama (NHK) CQ2016-130 |
When broadcasting or network distributing sound contents, the dynamic range of the sound at the signal level is compress... [more] | CQ2016-130 pp.119-124 |
| SP, SIP, EA | 2017-03-02 14:15 |
Okinawa | Okinawa Industry Support Center | Reproduction method of 22.2 multichannel sound in noisy environment considering inter-channel correlation Shu Kitajima, Takehiro Sugimoto, Kazuho Ono (NHK) EA2016-142 SIP2016-197 SP2016-137 |
To improve the reproduction quality of 22.2 multichannel sound in noisy environment, we propose a method to compensate t... [more] | EA2016-142 SIP2016-197 SP2016-137 pp.333-338 |
| SCE | 2016-08-09 14:55 |
Saitama | Saitama Univ. (Omiya sonic city) | Three-dimensional Imaging of Magnetic Nanoparticle Distribution Using Multi-channel Pickup Coils Yuya Tsujita, Masahiro Muta, Teruyoshi Sasayama, Keiji Enpuku (Kyushu Univ.) SCE2016-24 |
Magnetic particle imaging (MPI) has been extensively studied for in-vivo biomedical diagnosis of cancers. In this study,... [more] | SCE2016-24 pp.63-68 |
| IE, IMQ, MVE, CQ (Joint) [detail] |
2016-03-08 13:00 |
Okinawa | [Special Talk]
Hierarchical Estimation of Sense of Auditory Presence in Ultra-Realistic Communication Takashi Taniguchi (Osaka Gakuin UniversityOsaka Gakuin Univ.) IMQ2015-60 CQ2015-145 IE2015-159 MVE2015-87 |
As qualities of visual and audio media have become higher and higher, it is necessary to have new measurement scales to ... [more] | IMQ2015-60 CQ2015-145 IE2015-159 MVE2015-87 pp.181-186(IMQ), pp.211-216(CQ), pp.181-186(IE), pp.181-186(MVE) |
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| EA | 2014-03-28 16:25 |
Tokyo | NHK Science & Technology Research Labs. | Study on the directivity of microphone for multichannel audio recording Kazuho Ono (NHK-ES), Kentaro Matsui, Toshiyuki Nishiguchi (NHK) EA2013-125 |
NHK has been developing a portable single-unit microphone for the simultaneous recording of 22.2 multichannel audio. Sin... [more] | EA2013-125 pp.31-36 |
| MoNA, AN, USN (Joint) |
2013-01-25 09:20 |
Miyagi | ICHINOBO (Sendai-city) | A Token Scheduled High Throughput Multi-channel Data Collection Protocol for Wireless Sensor Network Jinzhi Liu, Makoto Suzuki, Doohwan Lee, Hiroyuki Morikawa (Univ. of Tokyo) USN2012-63 |
We present a token based multi-channel TDMA data collection protocol called TKN-TWN to achieve high throughput, scalabil... [more] | USN2012-63 pp.39-44 |
| EA | 2012-07-19 14:00 |
Hokkaido | Health Sci. Univ. of Hokkaido | Three-Dimensional Loudspeaker Arrangement for Creating Sound Envelopment Satoshi Oode, Ikuko Sawaya, Kazuho Ono (NHK STRL), Kenji Ozawa (Univ. of Yamanashi) EA2012-46 |
The multichannel audio formats whose loudspeaker arrangements are vertically expanded to improve the spatial impression ... [more] | EA2012-46 pp.7-12 |
| EA, SP, SIP | 2012-05-25 10:50 |
Osaka | Osaka Univ. Nakanoshima Center | Evaluation of Denoising and Dereverberation Based on Spectral Subtraction in Real Environment Kyohei Odani, Longbiao Wang, Atsuhiko Kai (Shizuoka Univ.) EA2012-24 SIP2012-24 SP2012-24 |
In a distant-talking environment, reverberation drastically degrades speech recognition performance. In previous work, w... [more] | EA2012-24 SIP2012-24 SP2012-24 pp.137-142 |
| EA | 2011-08-10 15:45 |
Miyagi | RIEC, Tohoku Univ. | Relation between Number of Loudspeakers and Listening Area Keeping Spatial Impression Ikuko Sawaya, Satoshi Oode, Akio Ando, Kimio Hamasaki (NHK) EA2011-67 |
The reproduction systems of 22.2 multichannel sound system for Super Hi-Vision with the reduced number of loudspeakers h... [more] | EA2011-67 pp.105-110 |
| EA, SIP, SP | 2011-05-12 11:15 |
Osaka | Ritsumeikan Univ. | Improvement of Dereverberation by Multi-channel LMS Algorithm for Distant-talking Speech Recognition Kyohei Odani, Longbiao Wang, Atsuhiko Kai (Shizuoka Univ.) EA2011-3 SIP2011-3 SP2011-3 |
In a distant-talking environment, reverberation drastically degrades speech recognition performance. In previous work, w... [more] | EA2011-3 SIP2011-3 SP2011-3 pp.13-18 |
| SP, EA, SIP | 2010-05-26 17:15 |
Hyogo | Konan Univ. (Hirao Seminar House) | An Evaluation of Sound Source Localization in Near Field Based on Two-Dimensional Cross-power Spectrum Phase Analysis Kohei Hayashida, Masanori Morise, Takanobu Nishiura (Ritsumeikan Univ.) EA2010-9 SIP2010-9 SP2010-9 |
We study sound source localization in near field. In the research into sound source localization, 2D-MUSIC has already b... [more] | EA2010-9 SIP2010-9 SP2010-9 pp.49-54 |
| SIP, CAS, CS | 2010-03-01 13:50 |
Okinawa | Hotel Breeze Bay Marina, Miyakojima | Control of Multi-Channel with Subband Adaptive Filtering and Its Analysis Kenji Togashi, Kunio Oishi (Tokyo Univ. of Tech.) CAS2009-98 SIP2009-143 CS2009-93 |
This paper presents a method with subband adaptive filter. The multiple-channel system is necessary to cancel the effect... [more] | CAS2009-98 SIP2009-143 CS2009-93 pp.119-124 |
| EA | 2009-07-17 13:15 |
Tokyo | Acoustic design by wave acoustic simulation for small listening environment
-- Control of room acoustics by layered random diffuser -- Yasushi Satake, Hideo Tsuru (Nittobo Acoustic Engineering Co.,Ltd.) EA2009-37 |
In order to carry out an accurate prediction for the acoustic design of small rooms such as recording studios and audio ... [more] | EA2009-37 pp.1-6 |
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| EA | 2008-12-05 13:15 |
Fukushima | Evaluation of 3D sound field reproduction system using multi-channel loudspeakers and the boundary surface control principle Yusuke Ikeda, Seigo Enomoto (Advanced Telecommunications Research Institute International), Shiro Ise (Kyoto Univ.), Satoshi Nakamura (Advanced Telecommunications Research Institute International) EA2008-114 |
Sound field recording and reproduction system based on the boundary surface control (BSC) principle is developed to rea... [more] |
EA2008-114 pp.77-82 |
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