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Paper Abstract and Keywords
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
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
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

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)  
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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Date Time 2019-03-14 14:45:00 
Presentation Time 25 
Registration for IE 
Paper # IEICE-IMQ2018-40,IEICE-IE2018-124,IEICE-MVE2018-71 
Volume (vol) IEICE-118 
Number (no) no.500(IMQ), no.501(IE), no.502(MVE) 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-IMQ-2019-03-07,IEICE-IE-2019-03-07,IEICE-MVE-2019-03-07 

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