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Paper Abstract and Keywords
Presentation 2016-07-01 09:15
Improvement of intra prediction by direction-dependent intra sub-TU scan order
Shunsuke Iwamura, Atsuro Ichigaya (NHK), Yoshiaki Shishikui (Meiji Univ.) IE2016-35
Abstract (in Japanese) (See Japanese page) 
(in English) In HEVC, a total of 35 intra prediction modes are defined such as planar, DC, and 33 angular modes. Substitution process applied to unavailable reference samples causes degradation of prediction accuracy. To improve the accuracy, we propose a modification of processing order of divided transform blocks according to intra prediction mode. Our proposal reduces the substitution process and enable to refer immediately below/right neighboring samples as reference samples where HEVC cannot refer. Simulation results show improvement of coding efficiency with slight encoder and decoder run time.
Keyword (in Japanese) (See Japanese page) 
(in English) High Efficiency Video Coding / Intra Prediction / Direction Dependent Scan Order / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 119, IE2016-35, pp. 1-4, July 2016.
Paper # IE2016-35 
Date of Issue 2016-06-24 (IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee IE  
Conference Date 2016-07-01 - 2016-07-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To IE 
Conference Code 2016-06-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of intra prediction by direction-dependent intra sub-TU scan order 
Sub Title (in English)  
Keyword(1) High Efficiency Video Coding  
Keyword(2) Intra Prediction  
Keyword(3) Direction Dependent Scan Order  
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1st Author's Name Shunsuke Iwamura  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Atsuro Ichigaya  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Yoshiaki Shishikui  
3rd Author's Affiliation Meiji University (Meiji Univ.)
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Speaker Author-1 
Date Time 2016-07-01 09:15:00 
Presentation Time 30 minutes 
Registration for IE 
Paper # IE2016-35 
Volume (vol) vol.116 
Number (no) no.119 
Page pp.1-4 
#Pages
Date of Issue 2016-06-24 (IE) 


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