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Paper Abstract and Keywords
Presentation 2026-03-06 14:40
Digital Twin Update Based on Multi-hypothesis Mapping in 3D Mobile Crowdsensing
Kenta Hasegawa, Takumi Miyoshi, Taku Yamazaki (SIT) NS2025-331
Abstract (in Japanese) (See Japanese page) 
(in English) To realize smart cities, the utilization of digital twins that virtually recreate urban spaces is anticipated. However, maintaining their steady updates requires collecting vast amounts of spatial data from the city. Therefore, a 3D mobile crowdsensing framework has been proposed, where city residents collect 3D point clouds of the city to update the digital twin. However, there is an issue where pose estimation errors during point cloud registration affect subsequent estimations. This paper proposes a multi-hypothesis mapping method that manages multiple digital twin mapping results according to the order of point cloud merging in mobile crowdsensing, where multiple participants collect partial urban point clouds at different times.
Keyword (in Japanese) (See Japanese page) 
(in English) Smart city / Digital twin / Mobile crowdsensing / LiDAR / Point cloud / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 385, NS2025-331, pp. 645-648, March 2026.
Paper # NS2025-331 
Date of Issue 2026-02-25 (NS) 
ISSN 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 NS2025-331

Conference Information
Committee IN NS  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Ken Shichoson Jichi Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2026-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Digital Twin Update Based on Multi-hypothesis Mapping in 3D Mobile Crowdsensing 
Sub Title (in English)  
Keyword(1) Smart city  
Keyword(2) Digital twin  
Keyword(3) Mobile crowdsensing  
Keyword(4) LiDAR  
Keyword(5) Point cloud  
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1st Author's Name Kenta Hasegawa  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Takumi Miyoshi  
2nd Author's Affiliation Shibaura Institute of Technology (SIT)
3rd Author's Name Taku Yamazaki  
3rd Author's Affiliation Shibaura Institute of Technology (SIT)
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Speaker Author-1 
Date Time 2026-03-06 14:40:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2025-331 
Volume (vol) vol.125 
Number (no) no.385 
Page pp.645-648 
#Pages 4 
Date of Issue 2026-02-25 (NS) 

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