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Paper Abstract and Keywords
Presentation 2022-03-11 13:20
Realistic Telecommunication via Local 5G Network Using 360-degree Point Clouds
Yasuhiro Matsumoto, Akihiro Nakao (Tokyo Univ.) NS2021-154
Abstract (in Japanese) (See Japanese page) 
(in English) With the current situation of the spread of the coronavirus infection (COVID-19) around the world and the acceleration of the remoteness of all social activities and tasks, realistic telecommunication technologies are attracting a great deal of attention. A typical application technology is Holoportation [1], which projects photographed objects as 3D holograms in real time in the real space, but there are three major challenges for its practical application: ensuring communication quality, large-scale data processing, and defining the sense of presence. Previously, we have proposed a basic concept of a telecommunication system using local 5G [2], and showed that a large-scale 3D data transmission system in UL/DL bidirectional can be realized [3]. However, in the proposed system, only 1-3 depth cameras are used, and it is difficult to achieve sufficient realism. Therefore, in this study, we realize a complete 360-degree point cloud transfer using seven depth cameras, and investigate the improvement of positioning accuracy and the reduction of processing time when constructing the point cloud. As a result, we can construct a complete 360-degree point cloud in about 10 seconds, with a fitness of about 0.4-0.6 and an RMSE value of about 0.006. This makes it possible to define a sufficient sense of realism, together with the fact that the FPS during data communication is about 24. On the network side, the throughput during communication is about 45 Mbps, and the local 5G UL guarantees 147 Mbps, indicating that the communication quality necessary for data transmission can be secured stably and securely.
Keyword (in Japanese) (See Japanese page) 
(in English) Local5G / Holoportation / Mixed Reality / Remote Communication / Point Clouds / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 433, NS2021-154, pp. 187-192, March 2022.
Paper # NS2021-154 
Date of Issue 2022-03-03 (NS) 
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)
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Conference Information
Committee NS IN  
Conference Date 2022-03-10 - 2022-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2022-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Realistic Telecommunication via Local 5G Network Using 360-degree Point Clouds 
Sub Title (in English)  
Keyword(1) Local5G  
Keyword(2) Holoportation  
Keyword(3) Mixed Reality  
Keyword(4) Remote Communication  
Keyword(5) Point Clouds  
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1st Author's Name Yasuhiro Matsumoto  
1st Author's Affiliation Tokyo University (Tokyo Univ.)
2nd Author's Name Akihiro Nakao  
2nd Author's Affiliation Tokyo University (Tokyo Univ.)
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Speaker Author-1 
Date Time 2022-03-11 13:20:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2021-154 
Volume (vol) vol.121 
Number (no) no.433 
Page pp.187-192 
#Pages
Date of Issue 2022-03-03 (NS) 


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