| Presentation | 2021-05-14 Analysis on Stability of Subjective Quality Assessment for Video including quality change and stalling Noriko Yoshimura, Yuichiro Urata, Noritsugu Egi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this study, assuming a 4K service, we conducted subjective quality evaluation experiments of videos with various quality degradations such as image quality fluctuation and playback stoppage for two types of viewing devices (TV, smartphone) and three time lengths (1 minute, 3 minutes, 5 minutes), and showed the results of stability analysis. Specifically, some subjective quality evaluation experiments with different devices or time length were executed, and 5-point scale ACR was used in these experiments. By comparing the mean values of the 95% confidence intervals, it was confirmed that the stability was the same regardless of the viewing device or time length. Furthermore, we focused on the influence of each degradation factor on the stability, and show the analysis results for the variance of evaluation scores for each evaluation video. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | subjective quality evaluation / quality degradation / Stability |
| Paper # | CQ2021-20 |
| Date of Issue | 2021-05-06 (CQ) |
| Conference Information | |
| Committee | CS / CQ |
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| Conference Date | 2021/5/13(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | On-line |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Optical/Wireless Access and Their Integration, Communication Behavior, QoE and Psychology, Assessment / Measurement / Control / Optimization of Communication Quality, Network Services, Wireless Networks, MIMO/Diversity/Multiplexing Techniques, etc. |
| Chair | Jun Terada(NTT) / Hideyuki Shimonishi(NEC) |
| Vice Chair | Daisuke Umehara(Kyoto Inst. of Tech.) / Jun Okamoto(NTT) / Takefumi Hiraguri(Nippon Inst. of Tech.) |
| Secretary | Daisuke Umehara(Mitsubishi Electric) / Jun Okamoto(NICT) / Takefumi Hiraguri(Doshisha Univ.) |
| Assistant | Hiroyuki Saito(OKI) / Takahiro Yamaura(Toshiba) / Yoshiaki Nishikawa(NEC) / Takuto Kimura(NTT) / Ryoichi Kataoka(KDDI Research) |
| Paper Information | |
| Registration To | Technical Committee on Communication Systems / Technical Committee on Communication Quality |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis on Stability of Subjective Quality Assessment for Video including quality change and stalling |
| Sub Title (in English) | |
| Keyword(1) | subjective quality evaluation |
| Keyword(2) | quality degradation |
| Keyword(3) | Stability |
| 1st Author's Name | Noriko Yoshimura |
| 1st Author's Affiliation | NTT(NTT) |
| 2nd Author's Name | Yuichiro Urata |
| 2nd Author's Affiliation | NTT(NTT) |
| 3rd Author's Name | Noritsugu Egi |
| 3rd Author's Affiliation | NTT(NTT) |
| Date | 2021-05-14 |
| Paper # | CQ2021-20 |
| Volume (vol) | vol.121 |
| Number (no) | CQ-15 |
| Page | pp.pp.86-91(CQ), |
| #Pages | 6 |
| Date of Issue | 2021-05-06 (CQ) |