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| Presentation | 2019-03-14 14:45 Optimal GOP size selection of H.265/HEVC coding for 8K UHDTV using spatial and motional analysis Yusuke Sakamoto, Ryota Yokoyama, Masaru Takeuchi (Waseda Univ.), Yasutaka Matsuo (NHK), Jiro Katto (Waseda Univ.)  IMQ2018-40 IE2018-124 MVE2018-71 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | 8K UHDTV needs efficient coding since it has 32 times larger amount of data than current HDTV. However, computational complexity of video coding becomes higher and higher instead of improvement of its compression efficiency. In this paper, we propose a method to improve the 8K UHDTV coding performance of H.265/HEVC. Our proposal method pre-analyses spatial frequency and motional complexity of input video, and estimates an optimal GOP (group of pictures) size or intra/inter prediction mode. Experimental results suggest that our proposal can improve coding efficiency or reduce computational time by selecting optimal GOP size or prediction mode. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | H.265/HEVC / 8K UHDTV / group of pictures (GOP) / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 501, IE2018-124, pp. 103-108, March 2019. | |
| Paper # | IE2018-124 | |
| Date of Issue | 2019-03-07 (IMQ, IE, 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 | IMQ2018-40 IE2018-124 MVE2018-71 |
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| Conference Information | |
| Committee | IMQ IE MVE CQ |
| Conference Date | 2019-03-14 - 2019-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | media of five senses, multimedia, media experience, picture codinge, image media quality, network,quality and reliability, etc |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2019-03-IMQ-IE-MVE-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optimal GOP size selection of H.265/HEVC coding for 8K UHDTV using spatial and motional analysis |
| Sub Title (in English) | |
| Keyword(1) | H.265/HEVC |
| Keyword(2) | 8K UHDTV |
| Keyword(3) | group of pictures (GOP) |
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| 1st Author's Name | Yusuke Sakamoto |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Ryota Yokoyama |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Masaru Takeuchi |
| 3rd Author's Affiliation | Waseda University (Waseda Univ.) |
| 4th Author's Name | Yasutaka Matsuo |
| 4th Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 5th Author's Name | Jiro Katto |
| 5th Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-03-14 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | IMQ2018-40, IE2018-124, MVE2018-71 |
| Volume (vol) | vol.118 |
| Number (no) | no.500(IMQ), no.501(IE), no.502(MVE) |
| Page | pp.103-108 |
| #Pages | 6 |
| Date of Issue | 2019-03-07 (IMQ, IE, MVE) |
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