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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 23件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CQ 2019-07-18
10:45
Niigata Niigata Univ. Viewing-abandonment-factor Estimation for Adaptive Bitrate Video Streaming
Shoko Takahashi, Kazuhisa Yamagishi (NTT)
Recently, adaptive bitrate video streaming services have spread widely. However, in spite of realizing smoother playbac... [more] CQ2019-36
pp.19-24
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)
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)
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 2018-07-19
15:30
Miyagi Tohoku Univ. [Tutorial Invited Lecture] Standardization Trends in ITU-T SG12
Kazuhisa Yamagishi (NTT)
Study on performance, quality of service (QoS) and quality of experience (QoE) became increasingly
important due to adv... [more]
CQ2018-34
pp.19-23
CQ, CS
(Joint)
2018-04-20
09:45
Hiroshima Hiroshima Institute of Technology Relationship among quality factors and viewing time for adaptive-bitrate-video-streaming services
Kimiko Kawashima, Kazuhisa Yamagishi (NTT)
 [more] CQ2018-8
pp.41-45
CQ, MVE, IE, IMQ
(Joint) [detail]
2018-03-09
09:30
Okinawa Okinawa Industry Support Center Analysis of Factors Affecting Viewing Time of Adaptive Bitrate Video Streaming Services
Shoko Takahashi, Kimiko Kawashima, Kazuhisa Yamagishi (NTT)
In the adaptive bitrate video streaming services for mobile terminals, application quality degradation leads not only to... [more] CQ2017-117
pp.81-86
ICM, CQ, NS, NV
(Joint)
2017-11-17
09:15
Kagawa   Analysis of User Manipulation for Adaptive Bitrate Video Streaming Services
Shoko Takahashi, Kimiko Kawashima, Kazuhisa Yamagishi (NTT)
In the adaptive bitrate video streaming services for mobile terminals, quality degradation leads not only to the deterio... [more] CQ2017-77
pp.39-44
MVE, IE, CQ, IMQ
(Joint) [detail]
2017-03-07
10:35
Fukuoka Kyusyu Univ. Ohashi Campus Subjective Assessment Characteristics of Watching 4K and Full HD videos
Kimiko Kawashima, Kazuhisa Yamagishi, Takanori Hayashi (NTT)
 [more] CQ2016-123
pp.83-88
CQ 2016-07-26
14:30
Osaka The Osaka Umeda Campus, Kwansei Gakuin Univesity Analysis on Stability of Subjective Assessment Method for Video Quality
Kimiko Kawashima, Kazuhisa Yamagishi, Takanori Hayashi (NTT)
 [more] CQ2016-36
pp.19-23
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)
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
MoNA, CQ
(Joint)
2012-09-28
10:40
Kagawa Kagawa pref. Takamatsu-city Performance comparison of subjective quality assessment method for 3D video
Taichi Kawano, Kazuhisa Yamagishi (NTT)
Recently, 3D video services have become popular. It is important for service providers to design an application and netw... [more] CQ2012-51
pp.53-58
CQ 2011-07-14
15:15
Hokkaido Otaru civic hall Quality-estimation model for stereoscopic video services
Kazuhisa Yamagishi (NTT), Lina Karam (Arizona State Univ.), Jun Okamoto (NTT)
 [more] CQ2011-23
pp.29-32
PRMU, SP, MVE, CQ 2010-01-21
13:40
Kyoto Kyoto Univ. No reference media layer video quality assessment model for IPTV services
Taichi Kawano, Kazuhisa Yamagishi, Jun Okamoto (NTT)
 [more] CQ2009-76 PRMU2009-175 SP2009-116 MVE2009-98
pp.137-142
CS, CQ
(Joint)
2008-04-25
09:30
Aomori Hirosaki University In-service video quality estimation model for mobile video streaming
Kazuhisa Yamagishi, Takanori Hayashi (NTT Service Integration Laboratories)
Non-intrusive parametric packet-layer model is required to monitor the quality of experience (QoE) during service. In Vo... [more] CQ2008-6
pp.29-34
USN, CQ, MoNA
(Joint)
2008-01-25
16:00
Shizuoka Kenshu Kouryu Center, Actcity Hamamatsu (Shizuoka) Non-intrusive video quality estimation model for IPTV services
Kazuhisa Yamagishi, Takanori Hayashi (NTT)
 [more] CQ2007-94
pp.77-80
CQ 2007-07-13
15:00
Hokkaido Shiretoko Prince Hotel Kazenamiki Video Quality Estimation Model for IPTV Services
Kazuhisa Yamagishi, Takanori Hayashi (NTT)
Advances in broadband IP networks and codecs have enabled video streaming services over IP network (IPTV). In order to p... [more] CQ2007-35
pp.123-126
CQ 2007-07-13
15:25
Hokkaido Shiretoko Prince Hotel Kazenamiki A Proposal of Multimedia Quality Integration Function for Videophone Services
Takanori Hayashi, Kazuhisa Yamagishi, Toshiko Tominaga (NTT)
With the advances in IP and multimedia technologies, various multimedia services such as videophone and video-streaming ... [more] CQ2007-36
pp.127-131
CQ 2006-07-14
09:35
Hokkaido Future University-Hakodate A Proposal of Video Quality Opinion Model for Audiovisual Communication Services
Kazuhisa Yamagishi, Takanori Hayashi (NTT)
Advances in broadband IP networks and codecs have enabled audiovisual communication services such as videophones, instan... [more] CQ2006-28
pp.61-65
CS, CQ
(Joint)
2006-04-17
13:50
Akita Akita Univ. Effects of Network QoS Guarantee in Video Communications
Takanori Hayashi, Kazuhisa Yamagishi, Masataka Masuda, Toshiko Tominaga, Hitoshi Aoki, Hirofumi Yokoi (NTT)
With the bandwidth of access lines to the Internet becoming broader, various video communication services are being deve... [more] CQ2006-3
pp.9-12
CQ, IE, LOIS, IEE-CMN, ITE-ME 2005-09-16
14:00
Kochi Kochi Univ. of Technoloty Video Quality Estimation Model based on Displaysize and Resolution for Audiovisual Communication Services
Kazuhisa Yamagishi, Takanori Hayashi (NTT)
With the advances in broadband IP technology, audiovisual communication services have become popular as promising rich m... [more] CQ2005-60 OIS2005-45 IE2005-53
pp.61-64
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