Publication
[Peer-reviewed Journal articles]
- L. Pierre and K. Yamagishi, “Long-term adaptive bitrate control mechanism,” IEICE Transactions on Communications, vol.E107-B, No.11, pp.xxx-xxx, Nov. 2024. [pdf (Open access)]
- S. Takahashi, K. Takeshita, A. Shiozu, and K. Yamagishi, “Change Point Detection Based on Cluster Transition Distributions, vol.xxx, No.xx, pp.xxx-xxx, Sept. 2024. DOI: 10.1109/ACCESS.2024.3455318[pdf (Open access)]
- M. Yokota and K. Yamagishi, “Quality and Transferred Data based Video Bitrate Control Method for Web-Conferencing,” IEICE Transactions on Communications, vol.E107-B, No.1, pp.272-285, Jan. 2024. [pdf (Open access)]
- P. Lebreton and K. Yamagishi, “Quitting ratio-based bitrate ladder selection mechanism for adaptive bitrate video streaming,” IEEE Transactions on Multimedia, vol. 25, pp. 8418-8431, 2023. DOI: 10.1109/TMM.2023.3237168. [pdf (Open access)]
- Y. Urata, M. Koike, K. Yamagishi, and N. Egi, “Metadata-based Quality-Estimation Model for Tile-based Omnidirectional Video Streaming,” IEICE Transactions on Communications, vol.E106-B, No.5, pp.478-488, May 2023. [pdf (Open access)]
- M. Koike, Y. Urata, and K. Yamagishi, "Bitstream-quality-estimation Model for Tile-based VR Video Streaming Services," IEICE Transactions on Communications, vol.E105-B, No.8, pp. 1002-1013, Aug.
[pdf (Open access)]
- T. Kimura, T. Kimura, A. Matsumoto, and K. Yamagishi, "Balancing Quality of Experience and Traffic Volume in Adaptive Bitrate Streaming," IEEE Access, vol. 9, pp. 15530-15547, 2021.
DOI: 10.1109/ACCESS.2021.3052552. [pdf (Open access)]
- K. Yamagishi, N. Egi, N. Yoshimura, and P. Lebreton, "Derivation Procedure of Coefficients of Metadata-based Model for Adaptive Bitrate Streaming Services," IEICE Transactions on Communications, vol. E104-B, no. 7, pp. 725-737, 2021.
DOI:10.1587/transcom.2020CQP0002. [pdf (Open access)]
- P. Lebreton and K. Yamagishi, "Predicting user quitting ratio in adaptive bitrate video streaming," IEEE Transactions on Multimedia, vol. 23, pp. 4526-4540, 2021. DOI: 10.1109/TMM.2020.3044452. [pdf (Open access)]
DOI: 10.1109/TMM.2020.3044452. [pdf (Open access)]
- P. Lebreton and K. Yamagishi, "Transferring adaptive bit rate streaming quality models from H.264/HD to H.265/4K-UHD," IEICE Transactions on Communications, vol. E102-B, no. 12, pp. 2226-2242, Dec. 2019, 10.1587/transcom.2019EBP3045. [pdf (Open access)]
- K. Kawashima, K. Yamagishi, and T. Hayashi, "Performance Comparison of Subjective Quality Assessment Methods for 4K Video," IEICE Transactions on Communications, vol. E101-B, no. 3, pp. 933-945, Mar. 2018, DOI:10.1587/transcom.2017EBP3123. [pdf]
- K. Yamagishi and T. Hayashi, "Parametric Quality-Estimation Model for Adaptive-Bitrate Streaming Services," IEEE Transactions on Multimedia, vol. 19, no. 7, pp. 1545-1557, 2017. DOI: 10.1109/TMM.2017.2669859. [pdf (Accepted article)] [pdf (Final published article)]
- T. Kawano, K. Yamagishi, and T. Hayashi, "Performance Comparison of Subjective Assessment Methods for Stereoscopic 3D Video Quality," IEICE Transactions on Communications, vol. E97-B, no. 4, pp. 738-745, Apr. 2014. [pdf]
- K. Yamagishi, T. Kawano, T. Hayashi, and J. Katto, "Subjective Quality Metric for 3D Video Services," IEICE Transactions on Communications, vol. E96-B, no. 2, pp. 410-418, Feb. 2013. [pdf]
- K. Yamagishi, J. Okamoto, T. Hayashi, and A. Takahashi, "No Reference Video-Quality-Assessment Model for Monitoring Video Quality of IPTV Services," IEICE Transactions on Communications, vol. E95-B, no. 2, pp. 435-448, Feb. 2012. [pdf]
- T. Tominaga, K. Yamagishi, T. Hayashi, A. Takahashi, "Multimedia Quality Estimation Model for Video Streaming Services," IEICE Transactions on Communications, vol. J94-B, no.1, pp. 49-60, Jan. 2011. [pdf] (in Japanese)
- K. Yamagishi and T. Hayashi, "Non-intrusive packet-layer model for monitoring video quality of IPTV services," IEICE Transactions on Fundamentals, vol. E92-A, no. 12, pp. 3297-3306, Dec. 2009. [pdf]
- K. Yamagishi and T. Hayashi, "Video-Quality Planning Model for Videophone Services," ITE, vol. 62, no. 7, pp. 1050 - 1058, July 2008.
- K. Yamagishi and T. Hayashi, "Opinion Model using Psychological Factors for Interactive Multimodal Services," IEICE Transactions on Communications, vol. E89-B, no. 2, pp. 281-288, Feb 2006. [pdf]
[Peer-reviewed Conference Papers]
- R. Tagyo, H. Kinsho, A. Shiozu, and K. Yamagishi, “Throughput-Constrained Antenna Sleep Management for Saving Power,” in Proc. of CNSM 2024, Oct. 2024.
- M. Yokota and K. Yamagishi, “Bitrate Control Method based on Quality and Data Volume for WebRTC Simulcast,” in Proc. of QoMEX 2024, June 2024.
- H. Kinsho, K. Takeshita, and K. Yamagishi, “Block Kriging Based Mobile User Distribution Estimation for Antenna Tilt Optimization,” in Proc. of IEEE CQR, pp.13-18, Oct. 2023.
- S. Takahashi, K. Takeshita, K. Yamagishi, and M. Masuda, “Change detection method using cluster transition probability,” in Proc. of IEEE CQR 2022, pp.25-30, Sept. 2022.
- S. Akimoto, P. Lebreton, S. Takahashi, and K. Yamagishi, “Quantitative causality analysis of viewing abandonment reasons using Shapley value,” in Proc. of IEEE MMSP 2022, Sept. 2022.
- P. Lebreton and K. Yamagishi, “Adaptive bitrate control mechanism based on long-term evaluation,” in Proc. of IEEE ICME 2022, July 2022.
- M. Yokota and K. Yamagishi, "Quality-based video bitrate control for WebRTC-based tele-conference services," Electronic imaging 2022, IQSP-333, Jan. 2022.
- Y. Matsuo and K. Yamagishi, "Shapley-value-based Quality Degradation Analysis Method for Adaptive Bitrate Streaming Services," in Proc. of IEEE MMSP 2021, Oct. 2021.
- T. Kimura, T. Kimura, K. Yamagishi, "Context-aware Adaptive Bitrate Streaming System," in Proc. of IEEE ICC 2021, June 2021.
- P. Lebreton and K. Yamagishi, "Study on user quitting in the Puffer live TV video streaming service," in Proc. of QoMEX 2021, June 2021.
- P. Lebreton and K. Yamagishi, "Network and Content-Dependent Bitrate Ladder Estimation for Adaptive Bitrate Video Streaming," in Proc. of IEEE ICASSP 2021, June 2021.
- M. Koike, Y. Urata, N. Egi, and K. Yamagishi, "Extension of ITU-T P.1204.3 Model to Tile-Based VR Streaming Services," in Proc. of IEEE CQR 2021, May 2021.
- Y. Urata, M. Koike, K. Yamagishi, N. Egi, and J. Okamoto, "Extension of ITU-T P.1203 model to tile-based omnidirectional video streaming," in Proc. of Electronic Imaging 2021, pp. 161-1-161-6, Jan. 2021.
- P. Lebreton and K. Yamagishi, "Study on viewing completion ratio of video streaming," in Proc. of IEEE MMSP 2020, Sept. 2020.[pdf (Accepted article) ]
- Shoko Takahashi, Kazuhisa Yamagishi, and Jun Okamoto, "Classification of Viewing Abandonment Reasons for Adaptive Bitrate Streaming," in Proc. of QoMEX 2020, May 2020.
- P. Lebreton and K. Yamagishi, "Study on User Quitting Rate for Adaptive Bitrate Video Streaming," in Proc. of IEEE MMSP 2019, Sept. 2019.[pdf (Accepted article)]
- S. Takahashi, K. Yamagishi, P. Lebreton, and J. Okamoto, "Impact of Quality Factors on Users' Viewing Behaviors in Adaptive Bitrate Streaming Services," in Proc. of QoMEX 2019, June 2019.
- P. Lebreton, K. Kawashima, K. Yamagishi, and J. Okamoto, "Study on viewing time with regards to quality factors in adaptive bitrate video streaming," in Proc. of IEEE MMSP 2018, Sept. 2018.[pdf (Accepted article)]
- W. Robitza, S. Göring, A. Raake, D. Lindegren, G. Heikkilä, J. Gustafsson, P. List, B. Feiten, U. Wüstenhagen, M-N. Garcia, K. Yamagishi, S. Broom. "HTTP Adaptive Streaming QoE Estimation with ITU-T Rec. P.1203 - Open Databases and Software," in Proc. of 9th ACM Multimedia Systems Conference, pp.466-471, June 2018.
- K. Yamagishi, "QoE-estimation models for video streaming services," in Proc of APSIPA 2017, pp. 357-363, Dec. 2017.
- M. Takagi, H. Fujii, A. Shimizu, Y. Urata, K. Yamagishi, "Subjective video quality estimation to determine optimal spatio-temporal resolution," in Proc. of IEEE PCS2013, pp.422-425, Dec. 2013.
- K. Yamagishi and G. Shan, " Light-weight audiovisual quality assessment of mobile video: ITU-T Rec. P.1201.1," in Proc. of IEEE MMSP 2013, pp.464-469, Sept. 2013.
- K. Yamagishi and G. Shan, "Packet-header-based-quality-estimation Model for Mobile Audiovisual Media Streaming - Recommendation ITU-T P.1201.1 -," in Proc. of VPQM2013, pp. 52-57, Jan. 2013. [pdf (Accepted article)]
- K. Yamagishi, T. Kawano, and T. Hayashi, "Effect of Difference in 2D Video Quality for Left and Right Views on Overall 3D Video Quality," in Proc. of IEEE ICIP2012, pp.605-608, Sept. 2012. [pdf (Accepted article)]
- T. Kawano, K. Yamagishi, and T. Hayashi, "Performance Comparison of Subjective Assessment Methods for 3D Video Quality," in Proc. of fourth International Workshop on Quality of Multimedia Experience (QoMEX), pp.218-223, July 2012.
- K. Yamagishi, L. Karam, J. Okamoto, and T. Hayashi, "Subjective Characteristics for Stereoscopic High Definition Video," in Proc. of third International Workshop on Quality of Multimedia Experience (QoMEX), pp.37-42, Sept. 2011.
- T. Kawano, K. Yamagishi, K. Watanabe, and J. Okamoto, "No Reference Video-Quality-Assessment Model for Video Streaming Services," in Proc. of 18th International Packet Video Workshop (PV2010) , pp. 158-164, Dec. 2010.
- K. Yamagishi, T. Kawano, and T. Hayashi, "Hybrid video-quality-estimation model for IPTV services," in Proc. of IEEE GLOBECOM 2009, CQPRM13-1, pp.1-5, Nov. 2009. [pdf (Accepted article)]
- K. Watanabe, K. Yamagishi, J. Okamoto, and A. Takahashi, "Proposal of new QOE assessment approach for quality management of IPTV services," in Proc. of IEEE ICIP2008, pp.2060-2063, Oct. 2008.
- Toshiko Tominaga, Kazuhisa Yamagishi, and Takanori Hayashi, "Multimedia Quality Assessment Method for IPTV Services," in Proc. of Third International Workshop on Image Media Quality and its Applications 2008 (IMQA '08), C-1, pp.51-54, Sept. 2008.
- K. Yamagishi and T. Hayashi, "Parametric Packet-Layer Model for Monitoring Video Quality of IPTV Services," in Proc. of IEEE ICC 2008, CQ04-3, pp.110-114, May 2008. [pdf (Accepted article)]
- T. Hayashi, K. Yamagishi, T. Tominaga and A. Takahashi, "Multimedia Quality Integration Function for Videophone Services," in Proc. of IEEE GLOBECOM 2007, PMQRS09-2, pp.2735-2739, Nov. 2007.
- K. Yamagishi and T. Hayashi, "Opinion Model for Estimating Video Quality of Videophone Services," in Proc. of IEEE GLOBECOM 2006, QRP08-1, pp.1-5, Nov. 2006. [pdf (Accepted article)]
- K. Yamagishi and T. Hayashi, "Verification of Video Quality Opinion Model for Videophone Services," in Proc. of 2nd ISCA Tutorial & Research Workshop on Perceptual Quality of Systems, pp.143-148, Sep. 2006.
- K. Yamagishi and T. Hayashi, "Analysis of psychological factors for quality assessment of interactive multimodal service," in Proc. of Electronic Imaging 2005, vol.5666, pp.130-138, Jan. 2005.
- K. Yamagishi, J. Katto, and Y. Yasuda, "A Study on Motion Compensated Prediction in DCT Domain with Multiple Mode Selection," in Proc. of Picture Coding Symposium (PCS), pp.87-91, Apr. 2003.
[NTT Technical Review]
- Y. Matsuo, K. Kazuhisa and M. Koike, “Recent Activities of QoE-related Standardization in ITU-T SG12,” NTT Technical Review, Vol.21 No.6, pp.66-69, June 2023.
- Kazuhisa Yamagishi, Masahiro Kobayashi, Shingo Horiuchi, and Kenichi Tayama, “Intent AI Mediator (Mintent) for High-satisfaction-level Services,” NTT Technical Review, Vol.20 No.9, pp.47-52, Sept. 2022.
- K. Yamagishi, Y. Goto, K. Takaya, and N. Araki, “Report on WTSA-20 (World Telecommunication Standardization Assembly),” NTT Technical Review, Vol.20 No.8, pp.72-77, Aug. 2022.
- K. Yamagishi and Y. Matsuo, "Recent Activities of QoE-related Standardization in ITU-T SG12," NTT Technical Review, Vol.18 No.10, Oct. 2020.
- K. Yamagishi and A. Takahashi, "Quality estimation technique for video streaming services", NTT Technical Review, Vol.15 No.2, Feb. 2017.
- K. Yamagishi, N. Egi, and T. Tominaga, "Monitoring the Quality of IPTV Services," NTT Technical Review, Vol.11 No.5, May 2013.
- K. Yamagishi, T. Kawano, and K. Kawashima, "QoE Assessment Methodologies for 3D Video Services," NTT Technical Review, Vol.11 No.5, May 2013.
- K. Yamagishi, K. Ushiki, T. Hayashi, and A. Takahashi, "Packet-layer Model for End-user QoE Management," NTT Technical Review, Vol. 7 No. 4, Apr. 2009.
- K. Yamagishi, T. Hayashi, and A. Takahashi, "Planning Model for Audiovisual Communication Services," NTT Technical Review, Vol. 7 No. 4, Apr. 2009.
- A. Takahashi, K. Yamagishi, and G. Kawaguti, "Recent activities of QoS/QoE standardization in ITU-T SG12," NTT Technical Review, Vol. 6, No. 9, Sep. 2008.
- K. Yamagishi, T. Tominaga, T. Hayashi, and A. Takahashi, "Objective Quality Evaluation Model for Videophone Services," NTT Technical Review, Vol. 5 No. 6, June 2007.
- T. Hayashi, M. Masuda, T. Tominaga, and K. Yamagishi, "Non-intrusive QoS Monitoring Method for Realtime Telecommunication Services," NTT Technical Review, Vol. 4, No. 4, Apr. 2006.
[Contribution]
- M. Koike, N. Egi, and K. Yamagishi, “P.obj-recog experimental result,” ITU-T Contribution COM 12 C205, Apr. 2024.
- M. Koike, N. Egi, and K. Yamagishi, “Draft Test plan of P.obj-recog,” ITU-T Contribution COM 12 C204, Apr. 2024.
- M. Koike, N. Egi, and K. Yamagishi, “Draft Terms of Reference (ToR) P.obj-recog,” ITU-T Contribution COM 12 C203, Apr. 2024.
- M. Koike, N. Egi, and K. Yamagishi, “Draft Test plan of P.obj-recog,” ITU-T Contribution COM 12 C130, Sept. 2023.
- M. Koike, N. Egi, and K. Yamagishi, “Draft Terms of Reference (ToR) P.obj-recog,” ITU-T Contribution COM 12 C129, Sept. 2023.
- Y. Matsuo and K. Yamagishi, “New Recommendation ITU-T P.DiAQoSE,” ITU-T Contribution COM 12 C128, Sept. 2023.
- M. Koike, N. Egi, and K. Yamagishi, “The estimation techniques of object-recognition rate in surveillance video of autonomous driving,” ITU-T Contribution COM 12 C81, Jan. 2023.
- Y. Matsuo and K. Yamagishi, “Confirmation of P.DiAQoSE model using P.1203 mode 3 and P.1204.4,” ITU-T Contribution COM 12 C80, Jan. 2023.
- S. Borer, P. Lebreton, and K. Yamagishi, “Performance of P.1204.4 on AV1 Encoded Video,” ITU-T Contribution COM 12 C8, June 2022.
- Y. Matsuo and K. Yamagishi, “Confirmation of P.DiAQoSE model,” ITU-T Contribution COM 12 C9, June 2022.
- P. Lebreton and K. Yamagishi, “Effect of quality factors on quitting behaviour in adaptive bitrate video streaming,” ITU-T Contribution COM 12 C12, June 2022.
- Y. Matsuo and K. Yamagishi, "P.DiAQoSE model and experiment results," ITU-T Contribution COM 12 C567, Oct. 2021.
- Y. Matsuo and K. Yamagishi, "P.DiAQoSE Terms of Reference (ToR)," ITU-T Contribution COM 12 C517, Apr. 2021.
- Y. Matsuo and K. Yamagishi, "P.DiAQoSE Terms of Reference (ToR)," ITU-T Contribution COM 12 C499, Sept. 2020.
- A. Raake, R. R. R. Rao, S. Göring, W. Robitza, J. Gustafsson, G. Heikkilä, D. Lindero, S. Broom, K. Yamagishi, S. Borer "P.1203.3 Pq quick-fix," ITU-T Contribution COM 12 C469, Apr. 2020.
- Y. Matsuo and K. Yamagishi, "Identifying the main factor of deterioration for estimated quality of experience in adaptive audiovisual streaming services," ITU-T Contribution COM 12 C465R1, Apr. 2020.
- M. Koike, Y. Urata, and K. Yamagishi, " Subjective Quality Assessment for Tile-based VR Video Streaming," ITU-T Contribution COM 12 C 346, Apr. 2019.
- G. Mittag, S. Möller, H. Aoki, K. Yamagishi, and V. Barriac, "Draft Recommendation G.113 Amendment 2," ITU-T Contribution COM 12 C 307, Nov. 2018.
- S. Möller, G. Mittag, H. Aoki, K. Yamagishi, and V. Barriac, " Draft Recommendation G.107.2 "Fullband E-model"," ITU-T Contribution COM 12 C 297, Nov. 2018.
- H. Aoki and K. Yamagishi, "Fullband extension of R-value," ITU-T Contribution COM 12 C 260, Nov. 2018.
- H. Aoki and K. Yamagishi, "Corrigendum for T17-SG12-C-0158," ITU-T Contribution COM 12 C 259, Nov. 2018.
- H. Aoki and K. Yamagishi, "Equipment impairment factors for EVS codec," ITU-T Contribution COM 12 C 158, May 2018.
- H. Aoki, A. Takahashi, and K. Yamagishi, "Examples of Ie and Bpl values for EVS codecs," ITU-T Contribution COM 12 C 80, Sept. 2017.
- H. Aoki, A. Takahashi, and K. Yamagishi, "Super-wideband extension of R-value," ITU-T Contribution COM 12 C 79, Sept. 2017.
- K. Kawashima and K. Yamagishi, " Comparison of quality assessment of UHD and HD videos at two different viewing distances," ITU-T Contribution COM 12 C 5, Jan. 2017.
- K. Kawashima and K. Yamagishi, " Comparison of subjective assessment tests using DSCQS and ACR methods," ITU-T Contribution COM 12 C 6, Jan. 2017.
- K. Yamagishi and S. Gao, "Performance figures for P.1201.1 model," ITU-T Contribution COM 12 C 9, Mar. 2013.
- K. Yamagishi and S. Gao, "Performance figures for P.1201.1 model," ITU-T SG12 Q.14 Rapporteur's meeting in Berlin, Sept. 2012.
- K. Watanabe and K. Yamagishi, "Proposal of modification of P.NBAMS Terms of Reference (ToR)," ITU-T SG12 Q.14 Rapporteur's meeting in Berlin, Sept. 2010.
- K. Yamagishi, "Reference codec and packetization software and hardware in P.NAMS test," ITU-T SG12 Q.14 Rapporteur's meeting in Berlin, Sept. 2010.
- K. Yamagishi and N. Egi, "Proposal for side information in P.NAMS," ITU-T SG12 Q.14 Rapporteur's meeting in Berlin, Sept. 2010.
- K. Yamagishi, "Investigation of IPTV services," ITU-T Contribution COM 12 - C 101, May 2010.
- K. Yamagishi, "Procedures of training and qualification phases," ITU-T SG12 Q.14 Rapporteur's meeting in Lulea, Mar. 2010.
- K. Yamagishi, "Investigation of IPTV services," ITU-T SG12 Q.14 Rapporteur's meeting in Lulea, Mar. 2010.
- K. Yamagishi, "Subjective quality database," ITU-T Contribution COM 12 - C 63, Nov. 2009.
- T. Kawano, K. Yamagishi, and J. Okamoto, "Input information for hybrid perceptual model," VQEG meeting in Berlin, June 2009.
- K. Yamagishi, "Draft of Recommendation G.OMVAS," ITU-T SG12 Q.13, Q.14, and Q.17 Rapporteur's meeting in Stockholm, June 2009.
- K. Yamagishi and A. Takahashi, "Draft Section 7 of Recommendation G.RQAM," ITU-T Contribution COM 12 - C 17, Mar 2009.
- K. Yamagishi and T. Hahashi, "ToR of G.OMVAS," ITU-T Contribution COM 12 - C 16, Mar 2009.
- T. Hahashi and K. Yamagishi, "Video quality dependence on codec implementation," ITU-T Contribution COM 12 - C 15, Mar 2009.
- K. Yamagishi, "IP protocol stacks as input of P.NAMS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Tokyo, Nov. 2008.
- K. Yamagishi, "Additional parameter to a-priori information," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Tokyo, Nov. 2008.
- K. Yamagishi, "Collaborative way for developing P.NAMS model," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Tokyo, Nov. 2008.
- K. Yamagishi, "Collaborative way for developing G.OMVAS model," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Tokyo, Nov. 2008.
- K. Yamagishi and T. Hahashi, "Lists of inputs and outputs of P.NAMS," ITU-T Contribution COM 12 - C 145, May 2008.
- K. Watanabe, K. Yamagishi and J. Okamoto, "Performance of bitstream layer model using ES layer information," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- K. Yamagishi and K. Ushiki, "Example of video quality estimation model using video-frame information," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- K. Yamagishi and T. Hahashi, "Proposal of framework for P.NAMS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- T. Hahashi and K. Yamagishi, "Proposal of multimedia quality-estimation model for G.OMVS and P.NAMS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- N. Egi and K. Yamagishi, "Proposal of audio quality estimation model for P.NAMS and G.OMVS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- K. Yamagishi and T. Hahashi, "Proposal of video quality estimation model for G.OMVS and P.NAMS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- K. Yamagishi and T. Hahashi, "Proposal of model for G.OMVS," ITU T SG12 Q.13 and Q.14 Rapporteur's meeting in Shenzhen, Mar. 2008.
- K. Yamagishi and T. Hahashi, "Performance of video quality parametric planning model for IPTV," ITU-T Contribution COM 12 - C 82, Oct. 2007.
- K. Yamagishi and T. Hahashi, "Differences in national characteristics for subjective quality," ITU-T Contribution COM 12 - C 81, Oct. 2007.
- K. Yamagishi and T. Hahashi, "Input parameters for P.NAMS," ITU-T Contribution COM 12 - C 80, Oct. 2007.
- K. Yamagishi and T. Hahashi, "Stable draft of new Recommendation G.OMV," ITU-T Contribution COM 12 - C 36, Jan. 2007.
- T. Tominaga and K. Yamagishi, "Subjective quality assessment method for evaluating several aspects of quality," ITU-T Contribution COM 12 - C 35, Jan. 2007.
- K. Yamagishi and T. Hahashi, "Verification of video quality estimation model for videophone services," ITU-T Contribution COM 12 - C 34, Jan. 2007.
- K. Yamagishi and T. Hahashi, "Proposed framework for new Recommendation G.OMVS," ITU-T Contribution COM 12 - C 33, Jan. 2007.
- T. Hahashi and K. Yamagishi, "A proposal of multimedia quality integration function for videophone," ITU-T SG12, COM 12 - D 128 - E, June. 2006.
- K. Yamagishi and T. Hahashi, "Video quality estimation function for videophone services," ITU-T SG12, COM 12 - D 127 - E, June. 2006.
- K. Yamagishi and T. Hahashi, "Proposed framework for new Recommendation: Multimedia communication quality assessment model, a computational model for use in transmission planning," ITU-T SG12, COM 12 - D 68 - E, Oct. 2005.
- K. Yamagishi and T. Hahashi, "Example of multimedia quality assessment model for videophones," ITU-T SG12, COM12-D15-E, Jan. 2005.
- T. Hayashi and K. Yamagishi, "Example of multimedia quality integration function for videophone," ITU-T SG12, COM12-D14-E, Jan. 2005.
- T. Hayashi, K. Yamagishi, H. Aoki, and A. Takahashi, "Proposal on basic concepts of a multimedia quality assessment model," ITU-T SG12, COM12-D13-E, Jan. 2005.
[Recommendation]
- ITU-T Recommendation P.1203
Press release: New ITU-T Recommendation P.1203 supports quality estimation of adaptive bitrate video streaming services (Mar 6, 2017)
Patent:
- "AUDIO-VISUIAL QUALITY ESTIMATION DEVICE, METHOD FOR ESTIMATING AUDIO-VISUAL QULAITY, AND PROGRAM," PCT/JP2016/085553, 11/30/2016.
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," JP4594389
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," JP4913893
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," ZL200680009898.2
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," KR10-0933509
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," US7965203
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," CA2604053
- "VIDEO QUALITY ESTIMATION APPARATUS, METHOD, AND PROGRAM," EP2018068
- ITU-T Recommendation P.1201.1
Patent:
- "IMAGE QUALITY ESTIMATION DEVICE, METHOD, AND PROGRAM," EP02229001, 08/29/2012.
- "IMAGE QUALITY ESTIMATION DEVICE, METHOD, AND PROGRAM," CN: ZL200880123599.0, 08/29/2012.
- "IMAGE QUALITY ESTIMATION DEVICE, METHOD, AND PROGRAM," KR 01064220, 09/05/2011.
- ITU-T Recommendation G.1070
Press release: ITU-T adopted NTT quality estimation model for video-telephony services as Recommendation G.1070 (May 24, 2007)
Patent:
- "VIDEO QUALITY ESTIMATING DEVICE, METHOD, AND PROGRAM," CA2604053, 07/10/2012.
- "VIDEO QUALITY ESTIMATING DEVICE, METHOD, AND PROGRAM," US 08154602, 04/10/2012.
- "VIDEO QUALITY ESTIMATING DEVICE, METHOD, AND PROGRAM," US 07965203, 06/21/2011.
- "VIDEO COMMUNICATION QUALITY ESTIMATION DEVICE, METHOD, AND PROGRAM," CA 2617893, 05/03/2011.
- "VIDEO QUALITY ESTIMATING DEVICE, METHOD, AND PROGRAM," CN ZL200680009898.2, 06/16/2010.
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