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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RISING
(2nd)
2019-11-27
13:55
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. 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 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
IMQ, IE, MVE, CQ
(Joint) [detail]
2019-03-14
14:20
Kagoshima Kagoshima University 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  [more]
CQ 2018-08-24
15:15
Shiga Ritsumeikan Univ. Biwako-Kusatsu Campus (BKC) 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 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 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. [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. [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 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 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 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 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
WBS, SAT
(Joint)
2015-05-29
11:35
Tokyo Tokyo City Univ. (Setagaya Campus) UWB ranging and communication system according to condition of moving route for navigating a mobile robot.
Junki Okamoto, Keitaro Inagaki, Ryuji Kohno (YNU) WBS2015-12
The position information of the robot is required in order to perform a remote operation and environment sensing for the... [more] WBS2015-12
pp.61-65
CQ, MVE, IE, IMQ, CEA
(Joint) [detail]
2014-03-06
11:40
Oita Beppu International Convention Center 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 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. 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 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 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 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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