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Paper Abstract and Keywords
Presentation 2019-02-20 10:40
On the fusion of activity recognition and indoor localization using a smartphone
Ryohei Nakajima, Takaki Hasegawa (Saitama Univ.) ITS2018-77 IE2018-98
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a system that improves both estimation accuracy by combining activity recognition and indoor localization, and evaluate by experiment. The likelihood is the probability independently obtained from the position determination subsystem and the activity recognition subsystem, and the posterior probability is calculated from the prior probability distribution which is a certain location acting. In addition, in order to reduce the cost of site survey, we used the AP data acquired while walking, and examined the effects of radio map creation and walking direction. Experimental results showed that when fusion of activity recognition and indoor localization improves the performance of both. In addition, the localization performance of the radio map created by walking is influenced by the walking direction, and the activity recognition performance is not affected by the walking direction.
Keyword (in Japanese) (See Japanese page) 
(in English) activity recognition / indoor localization / smartphone sensor / neural network / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 449, ITS2018-77, pp. 165-170, Feb. 2019.
Paper # ITS2018-77 
Date of Issue 2019-02-12 (ITS, 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)
Download PDF ITS2018-77 IE2018-98

Conference Information
Committee ITS IE ITE-MMS ITE-HI ITE-ME ITE-AIT  
Conference Date 2019-02-19 - 2019-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processing, etc. 
Paper Information
Registration To ITS 
Conference Code 2019-02-ITS-IE-MMS-HI-ME-AIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the fusion of activity recognition and indoor localization using a smartphone 
Sub Title (in English)  
Keyword(1) activity recognition  
Keyword(2) indoor localization  
Keyword(3) smartphone sensor  
Keyword(4) neural network  
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1st Author's Name Ryohei Nakajima  
1st Author's Affiliation Saitama University (Saitama Univ.)
2nd Author's Name Takaki Hasegawa  
2nd Author's Affiliation Saitama University (Saitama Univ.)
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Speaker Author-1 
Date Time 2019-02-20 10:40:00 
Presentation Time 15 minutes 
Registration for ITS 
Paper # ITS2018-77, IE2018-98 
Volume (vol) vol.118 
Number (no) no.449(ITS), no.450(IE) 
Page pp.165-170 
#Pages
Date of Issue 2019-02-12 (ITS, IE) 


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