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| Presentation | 2010-01-21 14:10 Video Quality Estimation Model for Encrypted IPTV Streams Kazunari Ushiki, Masataka Masuda, Takanori Hayashi (NTT Corp.)  CQ2009-77 PRMU2009-176 SP2009-117 MVE2009-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We proposed a packet-layer model that can estimate video quality of IPTV services from packet header information. This model takes into account the degraded frames (defined as "invalid frames") whose duration depends on the video frame-type (i.e., I, P, or B frames) with the lost packet and on the structure of a group of pictures (GOP). The frame-type necessary for the calculation of the number of invalid frames is estimated by extracting the starting point of each frame from TS header information and using the difference of the amount of information of each frame. To do this, it is necessary to prepare non-encrypted IPTV streams for optimizing the coefficients of the frame-type estimation model beforehand. However, non-encrypted IPTV streams cannot often be prepared because the payloads (bit-stream information) are often encrypted. In this paper, we propose a method of optimizing the coefficients of the frame-type estimation method by using encrypted IPTV streams. Concretely, the number of invalid frames is first calculated for various provisional coefficients, and a regression curve of the QoE versus invalid frame is then calculated. The coefficients with higher correlation coefficient between QoE and the invalid frame are defined as the appropriate coefficients of the frame-type estimation method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IPTV / QoE / Video Quality / Invalid Frame / Frame Type Estimation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 373, CQ2009-77, pp. 143-148, Jan. 2010. | |
| Paper # | CQ2009-77 | |
| Date of Issue | 2010-01-14 (CQ, PRMU, SP, MVE) | |
| 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 | CQ2009-77 PRMU2009-176 SP2009-117 MVE2009-99 |
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| Conference Information | |
| Committee | PRMU SP MVE CQ |
| Conference Date | 2010-01-21 - 2010-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2010-01-PRMU-SP-MVE-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Video Quality Estimation Model for Encrypted IPTV Streams |
| Sub Title (in English) | |
| Keyword(1) | IPTV |
| Keyword(2) | QoE |
| Keyword(3) | Video Quality |
| Keyword(4) | Invalid Frame |
| Keyword(5) | Frame Type Estimation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazunari Ushiki |
| 1st Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.) |
| 2nd Author's Name | Masataka Masuda |
| 2nd Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.) |
| 3rd Author's Name | Takanori Hayashi |
| 3rd Author's Affiliation | NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.) |
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| Speaker | Author-1 |
| Date Time | 2010-01-21 14:10:00 |
| Presentation Time | 30 minutes |
| Registration for | CQ |
| Paper # | CQ2009-77, PRMU2009-176, SP2009-117, MVE2009-99 |
| Volume (vol) | vol.109 |
| Number (no) | no.373(CQ), no.374(PRMU), no.375(SP), no.376(MVE) |
| Page | pp.143-148 |
| #Pages | 6 |
| Date of Issue | 2010-01-14 (CQ, PRMU, SP, MVE) |
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