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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IE, IMQ, MVE, CQ (Joint) [detail] |
2016-03-07 14:40 |
Okinawa | A Video Traffic Pacing Method using Past Throughput Information Takuto Kimura, Masahiro Yokota, Arifumi Matsumoto, Takanori Hayashi (NTT)  CQ2015-125 |
Recently, streaming video delivery services adopt pacing techniques. Pacing is a dynamic playout buffer control method t... [more] | CQ2015-125 pp.101-106 |
|
| CQ, IMQ, MVE, IE (Joint) [detail] |
2015-03-03 09:20 |
Tokyo | Seikei Univ. | Subjective Quality Assessment Characteristics of Sense of Presence for 4K Coded Video Kimiko Kawashima (NTT), Hiroaki Mori (Kyushu Univ.), Hitoshi Aoki, Takanori Hayashi (NTT) CQ2014-112 |
[more] | CQ2014-112 pp.1-6 |
| CQ | 2015-01-23 13:30 |
Tokyo | Verification of Quality Estimation Model for Transcoded Videos Yuichiro Urata, Masataka Masuda, Takanori Hayashi (NTT) CQ2014-109 |
In order to manage quality of transcoded videos, we have studied a quality estimation model using full reference metrics... [more] | CQ2014-109 pp.131-134 |
|
| IA, IN (Joint) |
2014-12-18 15:55 |
Hiroshima | Hiroshima City University | [Invited Talk]
QoE Assessment Technologies for Telecommunication Services and Their Applications Takanori Hayashi (NTT) IN2014-94 |
The rapid spread in the use of mobile terminals such as smartphones has accelerated the speed of evolution of telecommun... [more] | IN2014-94 pp.17-22 |
| CQ | 2014-07-10 14:30 |
Osaka | [Poster Presentation]
A Study on Quality Estimation Model for Transcoded Videos Yuichiro Urata, Takanori Hayashi (NTT) CQ2014-27 |
In order to manage quality of transcoded videos, we studied a quality estimation model using full reference metrics and ... [more] | CQ2014-27 pp.67-70 |
|
| CQ | 2014-07-10 15:40 |
Osaka | [Special Talk]
Toward QoE-centric Operation of Telecommunication Services Takanori Hayashi (NTT) CQ2014-29 |
[more] | CQ2014-29 pp.77-81 |
|
| CQ, MVE, IE, IMQ, CEA (Joint) [detail] |
2014-03-06 13:55 |
Oita | Beppu International Convention Center | Quality Estimation Model for Transcoded Videos Yuichiro Urata, Takanori Hayashi (NTT) CQ2013-92 |
In this paper, we studied video quality estimation models for transcoded videos. PSNR and SSIM are well-known video qual... [more] | CQ2013-92 pp.31-34 |
| 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 |
| IMQ | 2012-03-02 15:45 |
Kagoshima | Kagoshima University | Individual Differences in Depth Perception Based on Binocular Disparity and Contour Haruto Yamashita, Ken Kihara (Kagoshima Univ.), Takanori Hayashi (NTT), Sakuichi Ohtsuka (Kagoshima Univ.) IMQ2011-27 |
Although stereoscopic displays (S3D) using binocular stereopsis have become popular, individual differences in depth per... [more] | IMQ2011-27 pp.27-32 |
| CQ | 2010-07-08 13:45 |
Hokkaido | Soya Fureai Park | Analysis of effects on wideband speech for elderly people by laddering method Atsuko Kurashima, Toshiko Tominaga, Takanori Hayashi, Akira Takahashi (NTT) CQ2010-25 |
Communication services considering elderly people are needed because of aging society. We studied a subjective quality e... [more] | CQ2010-25 pp.51-54 |
| CQ | 2010-07-09 10:25 |
Hokkaido | Soya Fureai Park | Performance Comparisons of Subjective Video Quality Assessment Methods for Mobile Communications Toshiko Tominaga, Takanori Hayashi, Jun Okamoto, Akira Takahashi (NTT Corp.) CQ2010-34 |
There are many subjective assessment methods, depending on the purpose of the video quality evaluation, provided by ITU-... [more] | CQ2010-34 pp.97-102 |
| CQ | 2010-07-09 11:15 |
Hokkaido | Soya Fureai Park | The proposal for quantization method of speaker identification accuracy for speech communication service Noritsugu Egi, Takanori Hayashi, Akira Takahashi (NTT) CQ2010-36 |
[more] | CQ2010-36 pp.109-112 |
| AI | 2010-02-23 10:50 |
Kyoto | Kyoto Univ. Yoshida Campus | A Kanji conversion system with Online translation Takanori Kobayashi, Junki Matsuura, Hiroshi Yamaguchi, Kou Gi, Satoshi Ichimura (Tokyo Univ. of Tech.) AI2009-36 |
Recently, the opportunity of communications by several languages increases by the spread of the Internet service like E-... [more] | AI2009-36 pp.37-42 |
| PRMU, SP, MVE, CQ | 2010-01-21 14:10 |
Kyoto | Kyoto Univ. | Video Quality Estimation Model for Encrypted IPTV Streams Kazunari Ushiki, Masataka Masuda, Takanori Hayashi (NTT Corp.) CQ2009-77 PRMU2009-176 SP2009-117 MVE2009-99 |
We proposed a packet-layer model that can estimate video quality of IPTV services from packet header information. This m... [more] | CQ2009-77 PRMU2009-176 SP2009-117 MVE2009-99 pp.143-148 |
| PRMU, SP, MVE, CQ | 2010-01-21 14:40 |
Kyoto | Kyoto Univ. | Trend and Issues of End-user's QoE Monitoring for IPTV Services Masataka Masuda, Kazunari Ushiki, Takanori Hayashi (NTT Corp.) CQ2009-78 PRMU2009-177 SP2009-118 MVE2009-100 |
Quality of experience (QoE) management is one of the key technologies for various services in next generation network (N... [more] | CQ2009-78 PRMU2009-177 SP2009-118 MVE2009-100 pp.149-154 |
| CQ, NS, ICM (Joint) |
2009-11-13 08:30 |
Ishikawa | Kanazawa Institute of Technology (Ishikawa) | Performance Comparison of Subjective Quality Assessment Methods for Mobile Video Toshiko Tominaga, Jun Okamoto, Takanori Hayashi (NTT Corp.) CQ2009-48 |
ACR-HR and SAMVIQ methods are new subjective assessment methods of video quality provided by ITU-T and ITU-R recommendat... [more] | CQ2009-48 pp.55-58 |
| CQ, NS, ICM (Joint) |
2009-11-13 08:50 |
Ishikawa | Kanazawa Institute of Technology (Ishikawa) | A study of speaker verification accuracy for wideband speech communication Noritsugu Egi, Takanori Hayashi, Akira Takahashi (NTT Corp.) CQ2009-49 |
The growth of wideband speech telephony enabled to transmit speech that has auditory presence. For quality evaluation of... [more] | CQ2009-49 pp.59-62 |
| IEE-CMN, ITE-ME, CQ, LOIS, IE | 2008-09-25 14:05 |
Kagawa | General Trainning Center at Shikoku Electric Power Co.,inc | Proposal of audio quality estimation model for IPTV Noritsugu Egi, Takanori Hayashi (NTT) CQ2008-31 OIS2008-34 IE2008-56 |
To providing high quality IPTV service for users, in-service quality management based on Quality of Experience (QoE) is ... [more] | CQ2008-31 OIS2008-34 IE2008-56 pp.27-32 |
| IEE-CMN, ITE-ME, CQ, LOIS, IE | 2008-09-25 14:30 |
Kagawa | General Trainning Center at Shikoku Electric Power Co.,inc | Computational Cost Reduction of Picture Type Estimation Method using TS Header Information
-- Toward Establishment of Objective Packet-layer Video Quality Estimation Model -- Kazunari Ushiki, Takanori Hayashi (NTT) CQ2008-32 OIS2008-35 IE2008-57 |
IPTV services are being developed and provided. To provide these services with sufficient quality, we must properly eval... [more] | CQ2008-32 OIS2008-35 IE2008-57 pp.33-38 |
| LOIS, IPSJ-CN | 2008-05-23 09:00 |
Chiba | Keyaki Bldg, Ｃｈｉｂａ Ｕｎｉｖｅｒｓｉｔｙ | A Kanji conversion system that can directly input contents Takanori Kobayashi, Satoshi Ichimura (Tokyo University of Technology) |
It takes a lot of time to open or search web pages.For instance, many procedures are necessary when searching the mater... [more] | OIS2008-1 pp.1-6 |
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