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Paper Abstract and Keywords
Presentation 2023-03-17 12:50
A Study on Offset Coding of Patch Data in Video-based Point Cloud Compression (V-PCC)
Emi Myoudou, Yoshitaka Kidani, Kei Kawamura (KDDI Research.) IMQ2022-78 IE2022-155 MVE2022-108
Abstract (in Japanese) (See Japanese page) 
(in English) Video-Based Point Cloud Compression (V-PCC) was standardized by Moving Picture Experts Group (MPEG). In V-PCC, the 3D point cloud is divided into patches, which are projected onto one of several 2D planes surrounding the entire 3D point cloud, and the patches are encoded. However, the number of bits required to encode the offset value of a patch was redundant in case of encoding it correctly without artifacts, and there was a problem of poor coding efficiency. On the other hand, artifacts appear in case of reducing the number of bits. In this paper, in order to enhance coding efficiency while avoiding artifacts, we propose a projection plane reselection method.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D point cloud / video compression / V-PCC / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 439, IE2022-155, pp. 302-305, March 2023.
Paper # IE2022-155 
Date of Issue 2023-03-08 (IMQ, IE, MVE) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 IMQ2022-78 IE2022-155 MVE2022-108

Conference Information
Committee IMQ IE MVE CQ  
Conference Date 2023-03-15 - 2023-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawaken Seinenkaikan (Naha-shi) 
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(AC) 
Paper Information
Registration To IE 
Conference Code 2023-03-IMQ-IE-MVE-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Offset Coding of Patch Data in Video-based Point Cloud Compression (V-PCC) 
Sub Title (in English)  
Keyword(1) 3D point cloud  
Keyword(2) video compression  
Keyword(3) V-PCC  
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1st Author's Name Emi Myoudou  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research.)
2nd Author's Name Yoshitaka Kidani  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research.)
3rd Author's Name Kei Kawamura  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research.)
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Speaker Author-1 
Date Time 2023-03-17 12:50:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IMQ2022-78, IE2022-155, MVE2022-108 
Volume (vol) vol.122 
Number (no) no.437(IMQ), no.439(IE), no.440(MVE) 
Page pp.302-305 
#Pages
Date of Issue 2023-03-08 (IMQ, IE, MVE) 


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