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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ, CS (Joint) |
2022-05-12 15:35 |
Fukui | Fukui (Fuku Pref.) (Primary: On-site, Secondary: Online) |
Study on a Subjective Quality Assessment Method for Multi-service Yuichiro Urata, Noritsugu Egi, Masataka Masuda (NTT)  CQ2022-8 |
It is important for telecommunication carriers to monitor and manage quality of communication services they provide, and... [more] | CQ2022-8 pp.38-43 |
| CS, CQ (Joint) |
2021-05-14 16:55 |
Online | On-line | Analysis on Stability of Subjective Quality Assessment for Video including quality change and stalling Noriko Yoshimura, Yuichiro Urata, Noritsugu Egi (NTT) CQ2021-20 |
In this study, assuming a 4K service, we conducted subjective quality evaluation experiments of videos with various qual... [more] | CQ2021-20 pp.86-91 |
| MVE, IMQ, IE, CQ (Joint) [detail] |
2021-03-03 11:35 |
Online | Online | Extension of ITU-T Recommendation P.1203 model to Tile-based VR Video Streaming Yuichiro Urata, Msanori Koike, Kazuhisa Yamagishi, Noritsugu Egi (NTT) CQ2020-115 |
Recently, omnidirectional virtual reality (VR) video streaming has become widespread. Since the data size of omnidirecti... [more] | CQ2020-115 pp.38-43 |
| CQ | 2019-07-19 09:30 |
Niigata | Niigata Univ. | An applicability of ITU-T Recommendation P.1203 model to VR video streaming Yuichiro Urata, Masanori Koike, Kazuhisa Yamagishi (NTT) CQ2019-52 |
Recently, omnidirectional video streaming has spread widely, the quality of experience (QoE) monitoring is desirable. Th... [more] | CQ2019-52 pp.79-83 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2019-03-14 15:10 |
Kagoshima | Kagoshima University | A Study on Objective Quality Estimation Model for Tile-based VR Video Streaming Services Masanori Koike, Yuichiro Urata, Kazuhisa Yamagishi (NTT) CQ2018-102 |
In tile-based VR video distribution service with a head-mounted display, users perceive the quality degradation due to w... [more] | CQ2018-102 pp.55-59 |
| 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 |
|
| 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, 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 12:00 |
Fukuoka | Fukuoka Institute of Technology | Validity verification of ITU-T Recommendation P.1201.1 Model Extended for Video Resolution Yuichiro Urata, Kazuhisa Yamagishi (NTT) CQ2012-94 |
To monitor video quality for progressive download services, we study a video quality estimation model. A video quality e... [more] | CQ2012-94 pp.59-63 |
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