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Paper Abstract and Keywords
Presentation 2018-03-10 13:55
Estimation of lighting equipment positions for indoor navigation by visible light communications
Keisuke Katsuki, Mamoru Sasaki (Niigata Univ.), Yohei Nakazawa (Gakushuin Univ.), Daisuke Wakatsuki, Makoto Kobayashi (Tsukuba Univ. Tech), Kentaro Nishimori, YOshinobu Maeda, Hideo Makino (Niigata Univ.) WIT2017-85
Abstract (in Japanese) (See Japanese page) 
(in English) When using existing lighting equipment as landmarks for indoor positioning, it is necessary to determine the equipment’s positions, in advance. Where, in previous studies, all equipment transmitted their various positions using VLC in the experimental field (the lobby-floor), in this research, we propose that only three lights with VLC function (VLC light) be used to estimate the positions of any other lighting equipment. We originally developed a 360〫image-capture unit that enables us to capture images of lighting equipment on the ceiling, using two fish-eye lens-equipped cameras. In experiments using the estimated positions of ceiling-lights, the pedestrian positions were calculated, and the degree of error in receiver-positioning fell within 10cm; the same as it was by the previous method. Therefore, we believe that the total number of VLC lights on the ceiling can be reduced, and other lights can be employed as landmarks for indoor positioning.
Keyword (in Japanese) (See Japanese page) 
(in English) Lighting equipment / position estimation / Visible light communication / Indoor positioning / pedestrian navigation / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 502, WIT2017-85, pp. 163-168, March 2018.
Paper # WIT2017-85 
Date of Issue 2018-03-02 (WIT) 
ISSN Print edition: ISSN 0913-5685    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 WIT IPSJ-AAC  
Conference Date 2018-03-09 - 2018-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsukuba University of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WIT 
Conference Code 2018-03-WIT-AAC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of lighting equipment positions for indoor navigation by visible light communications 
Sub Title (in English)  
Keyword(1) Lighting equipment  
Keyword(2) position estimation  
Keyword(3) Visible light communication  
Keyword(4) Indoor positioning  
Keyword(5) pedestrian navigation  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Keisuke Katsuki  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Mamoru Sasaki  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yohei Nakazawa  
3rd Author's Affiliation Gakushuin University (Gakushuin Univ.)
4th Author's Name Daisuke Wakatsuki  
4th Author's Affiliation Tsukuba University of Technology (Tsukuba Univ. Tech)
5th Author's Name Makoto Kobayashi  
5th Author's Affiliation Tsukuba University of Technology (Tsukuba Univ. Tech)
6th Author's Name Kentaro Nishimori  
6th Author's Affiliation Niigata University (Niigata Univ.)
7th Author's Name YOshinobu Maeda  
7th Author's Affiliation Niigata University (Niigata Univ.)
8th Author's Name Hideo Makino  
8th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2018-03-10 13:55:00 
Presentation Time 20 minutes 
Registration for WIT 
Paper # WIT2017-85 
Volume (vol) vol.117 
Number (no) no.502 
Page pp.163-168 
#Pages 6 
Date of Issue 2018-03-02 (WIT) 

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