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| Paper Abstract and Keywords | ||
| Presentation | 2007-07-13 15:25 A Proposal of Multimedia Quality Integration Function for Videophone Services Takanori Hayashi, Kazuhisa Yamagishi, Toshiko Tominaga (NTT)  CQ2007-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | With the advances in IP and multimedia technologies, various multimedia services such as videophone and video-streaming are being developed and provided. To provide these services with sufficient quality, we must properly evaluate, design, and manage users’ perceptual quality of service, i.e., Quality of Experience (QoE). In this paper, we present a multimedia quality integration function that can estimate the overall quality of a videophone service considering multimodality and interactivity. That is, it takes into account individual audiovisual qualities and their delays. Subjective quality assessment tests were conducted using a point-to-point interactive videophone application to clarify how overall multimedia quality characteristics depend on the individual audiovisual qualities, absolute audiovisual delay, and media synchronization. From the test results, we formulated a multimedia quality integration function that can accurately evaluate overall multimedia quality. In addition, verification test results showed that this function achieved good performance in terms of correlation coefficient and evaluation error between subjective and estimated qualities. This function was adopted by ITU-T as a part of Recommendation G.1070 in April 2007. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | QoE / videophone / multimedia quality / multimodality / interactivity / G.1070 / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 134, CQ2007-36, pp. 127-131, July 2007. | |
| Paper # | CQ2007-36 | |
| Date of Issue | 2007-07-05 (CQ) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | CQ2007-36 |
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| Conference Information | |
| Committee | CQ |
| Conference Date | 2007-07-12 - 2007-07-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shiretoko Prince Hotel Kazenamiki |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Multimodal Media, Video/voice service quality, wireless network quality next generation network architecture, etc |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2007-07-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Proposal of Multimedia Quality Integration Function for Videophone Services |
| Sub Title (in English) | |
| Keyword(1) | QoE |
| Keyword(2) | videophone |
| Keyword(3) | multimedia quality |
| Keyword(4) | multimodality |
| Keyword(5) | interactivity |
| Keyword(6) | G.1070 |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takanori Hayashi |
| 1st Author's Affiliation | NTT (NTT) |
| 2nd Author's Name | Kazuhisa Yamagishi |
| 2nd Author's Affiliation | NTT (NTT) |
| 3rd Author's Name | Toshiko Tominaga |
| 3rd Author's Affiliation | NTT (NTT) |
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| Speaker | Author-1 |
| Date Time | 2007-07-13 15:25:00 |
| Presentation Time | 25 minutes |
| Registration for | CQ |
| Paper # | CQ2007-36 |
| Volume (vol) | vol.107 |
| Number (no) | no.134 |
| Page | pp.127-131 |
| #Pages | 5 |
| Date of Issue | 2007-07-05 (CQ) |
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