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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RISING (2nd) |
2019-11-27 13:55 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo (Tokyo) | [Poster Presentation]
Video Rate Control to Maximize Engagement with Bayesian Optimization Takuto Kimura (NTT), Tatsuaki Kimura (Osaka Univ.), Jun Okamoto (NTT) |
[more] | |
| CQ | 2019-05-31 13:50 |
Hiroshima | Hiroshima City University (Hiroshima) | Impact assessments of quality map on smartphone user behaviors by field experiments Kenko Ota, Hideaki Yoshino, Takefumi Hiraguri, Takuya Shindo (Nippon Inst. of Tech.), Noritsugu Egi, Takashi Terauchi, Jun Okamoto (NTT)  CQ2019-29 |
[more] | CQ2019-29 pp.89-94 |
| CS, CQ (Joint) |
2019-04-18 14:35 |
Osaka | Osaka Univ. Library (Osaka) | Revealing Benefits of Quality-based Routing Aomi Jokoji (UVic), Takuto Kimura, Arifumi Matsumoto, Jun Okamoto (NTT) CQ2019-4 |
Current Internet backbone routing is topology-based, which selects routes with the shortest AS-path length. Therefore, c... [more] | CQ2019-4 pp.19-24 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2019-03-14 14:20 |
Kagoshima | Kagoshima University (Kagoshima) | Video Engagement Control by Bayesian Optimization Takuto Kimura (NTT), Tatsuaki Kimura (Osaka Univ.), Arifumi Matsumoto, Jun Okamoto (NTT) CQ2018-100 |
Video streaming providers aim to increase engagement represented by viewing time and decrease streaming cost. To control... [more] | CQ2018-100 pp.43-48 |
| MI | 2018-09-28 12:45 |
Tokyo | Tokyo Women's Medical University (Tokyo) | [more] | ||
| CQ | 2018-08-24 15:15 |
Shiga | Ritsumeikan Univ. Biwako-Kusatsu Campus (BKC) (Shiga) | A study on QoE geographic visualizing model for mobile network services Noritsugu Egi, Daisuke Ikegami, Jun Okamoto (NTT), Takahiro Shobudani (Keio Univ) CQ2018-62 |
This paper discusses a concept of QoE geographic visualizing model for understanding service quality in the viewpoint of... [more] | CQ2018-62 pp.95-99 |
| CQ, MVE, IE, IMQ (Joint) [detail] |
2018-03-09 11:15 |
Okinawa | Okinawa Industry Support Center (Okinawa) | Graph Construction for Mobile Delay Tomography based on Graph Fourier Transform Hideaki Kinsho (Osaka Univ.), Rie Tagyo, Daisuke Ikegami (NTT), Takahiro Matsuda (Osaka Univ.), Jun Okamoto (NTT), Tetsuya Takine (Osaka Univ.) CQ2017-121 |
In wide area mobile networks, {em Mobile Delay Tomography} has been proposed in order to estimate delays at network comp... [more] | CQ2017-121 pp.105-110 |
| CQ, MVE, IE, IMQ (Joint) [detail] |
2018-03-09 15:40 |
Okinawa | Okinawa Industry Support Center (Okinawa) | A Proposal of CDN Selection Algorithm Considering Unpredictable Communication Quality Deterioration Takuto Kimura, Arifumi Matsumoto, Jun Okamoto (NTT) CQ2017-129 |
Multi-CDN is being deployed rapidly, which enables switching of the content delivery network. To utilize the multi-CDN e... [more] | CQ2017-129 pp.147-152 |
| CQ (2nd) |
2018-01-20 13:35 |
Tokyo | Nishiwaseda Campus, Waseda Univ. (Tokyo) | [Poster Presentation]
An Analysis of Communication Quality Improvement provided by Multi-CDN Takuto Kimura, Arifumi Matsumoto, Jun Okamoto (NTT) |
[more] | |
| CQ (2nd) |
2018-01-20 13:35 |
Tokyo | Nishiwaseda Campus, Waseda Univ. (Tokyo) | [Poster Presentation]
Proposal of QoE geographic visualizing model for mobile network services Noritsugu Egi, Daisuke Ikegami, Jun Okamoto (NTT) |
For network or service provider, it is important to monitor the QoE-level state of services and detect QoE degradation o... [more] | |
| CQ | 2018-01-18 11:10 |
Tokyo | NII (Tokyo) | A study on estimation of mobile communication quality considering user communication behavior by multi agent simulation Akihiro Shiozu, Daisuke Ikegami, Jun Okamoto (NTT) CQ2017-89 |
In an event where many people gather in a specific location, a huge mobile traffic exceeding the processing capability o... [more] | CQ2017-89 pp.23-28 |
| CQ | 2017-07-27 10:20 |
Hyogo | Kobe University (Hyogo) | Mobile Delay Tomography Considering Differences in the Amount of Measurement Data among Paths Hideaki Kinsho (Osaka Univ.), Rie Tagyo, Daisuke Ikegami (NTT), Takahiro Matsuda (Osaka Univ.), Jun Okamoto (NTT), Tetsuya Takine (Osaka Univ.) CQ2017-31 |
In mobile networks, in order to estimate delays at network components such as base stations and servers, a delay tomogra... [more] | CQ2017-31 pp.13-18 |
| CQ | 2017-07-28 16:15 |
Hyogo | Kobe University (Hyogo) | A Video Bitrate Selection Method to Reduce the Traffic Volume While Maintaining QoE Takuto Kimura, Arifumi Matsumoto, Takafumi Okuyama, Jun Okamoto (NTT) CQ2017-49 |
It is reported that users who use the video streaming service emphasize less traffic volume than quality. However, since... [more] | CQ2017-49 pp.111-116 |
| NS, CQ, ICM, NV (Joint) |
2016-11-25 14:25 |
Yamaguchi | Shimonoseki Chember of Commerce and Industry (Yamaguchi) | Field validation of Web quality degradation section determination method Noriko Yoshimura, Shigemi Kikuchi, Hideki Nojiri, Jun Okamoto (NTT) CQ2016-89 |
When quality degradation occurs in the web service, identifying the suspected section is required for network operators.... [more] | CQ2016-89 pp.89-93 |
| CQ, MVE, IE, IMQ, CEA (Joint) [detail] |
2014-03-06 11:40 |
Oita | Beppu International Convention Center (Oita) | Effect of conversational speech patterns on quality for mobile VoIP applications Noritsugu Egi, Atsuko Kurashima, Jun Okamoto (NTT) CQ2013-89 |
For over the top (OTT) voice communication services in mobile networks, there are several quality degradation factors (... [more] | CQ2013-89 pp.13-17 |
| CQ, MVE, IE, IMQ, CEA (Joint) [detail] |
2014-03-06 13:30 |
Oita | Beppu International Convention Center (Oita) | Effects of quality range of assessment videos in subjective quality assessment test for 4K ultra HD Kimiko Kawashima, Jun Okamoto (NTT) CQ2013-91 |
[more] | CQ2013-91 pp.25-30 |
| TL | 2013-10-19 15:00 |
Tokyo | WASEDA Univ. (Tokyo) | Word sense disambiguation using Dynamic contextual semantic network model and its improvement Jun Okamoto (Kaetsu Univ.), Shun Ishizaki (Keio Univ.) TL2013-44 |
We proposed a method of word sense disambiguation using an Associative Concept Dictionary which includes semantic relati... [more] | TL2013-44 pp.19-24 |
| CQ | 2013-07-12 09:50 |
Hokkaido | Hokkaido University (Hokkaido) | Study of visual fatigue evaluation for stereoscopic video services using eye blinking rate Kimiko Kawashima, Jun Okamoto (NTT), Kazuo Ishikawa (Tokyo Polytechnic Univ.), Kazuno Negishi (Keio Univ.) CQ2013-22 |
[more] | CQ2013-22 pp.49-54 |
| MVE, IE, WIT, IMQ, CQ (Joint) [detail] |
2013-03-12 11:35 |
Fukuoka | Fukuoka Institute of Technology (Fukuoka) | Study on delay measurement method for OTT voice communication services in mobile networks Noritsugu Egi, Jun Okamoto, Takanori Hayashi (NTT) CQ2012-93 |
[more] | CQ2012-93 pp.53-57 |
| MoNA, CQ (Joint) |
2012-09-27 11:40 |
Kagawa | Kagawa pref. Takamatsu-city (Kagawa) | A pilot study on objective assessment method of visual fatigue for stereoscopic video services Kimiko Kawashima, Jun Okamoto (NTT), Kazuo Ishikawa (Tokyo Polytechnic Univ.), Kazuno Negishi (Keio Univ.) CQ2012-43 |
Three-dimensional (3D) service design and management based on evaluation of image safety (e.g. visual fatigue, and visua... [more] | CQ2012-43 pp.13-18 |
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