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Paper Abstract and Keywords
Presentation 2018-06-02 09:25
Simultaneous recognition of human activities and locations based on sensor array
Shoichi Ichimura, Qiangfu Zhao (Univ. of Aizu) SC2018-11
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, smart homes for senior care have attracted great attention in Japan. But a smart home has a privacy issue. A smart home with a video camera or a microphone potentially can obtain user sensitive information and therefore may violate the resident's privacy. The purpose of this research is to investigate some technology for constructing smart homes that preserve the resident's privacy. In this paper, we use a sensor-array consisting of 15 infrared sensors to recognize the user locations and activities. The model used is a multi-layer perceptron. Experimental results show that the recognition rate is close to 100% if the subject stays in the same place and repeats the same activity for more than 2 or 3 seconds.
Keyword (in Japanese) (See Japanese page) 
(in English) Smart home / sensor array / machine learning / multilayer perceptron / privacy-preserving / PIR sensor / activity recognition / location recognition  
Reference Info. IEICE Tech. Rep., vol. 118, no. 72, SC2018-11, pp. 59-64, June 2018.
Paper # SC2018-11 
Date of Issue 2018-05-25 (SC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SC2018-11

Conference Information
Committee SC  
Conference Date 2018-06-01 - 2018-06-02 
Place (in Japanese) (See Japanese page) 
Place (in English) UBIC 3D Theater, University of Aizu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Service Computing for the 4th Industrial Revolution and Other Issues 
Paper Information
Registration To SC 
Conference Code 2018-06-SC 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simultaneous recognition of human activities and locations based on sensor array 
Sub Title (in English)  
Keyword(1) Smart home  
Keyword(2) sensor array  
Keyword(3) machine learning  
Keyword(4) multilayer perceptron  
Keyword(5) privacy-preserving  
Keyword(6) PIR sensor  
Keyword(7) activity recognition  
Keyword(8) location recognition  
1st Author's Name Shoichi Ichimura  
1st Author's Affiliation University of Aizu (Univ. of Aizu)
2nd Author's Name Qiangfu Zhao  
2nd Author's Affiliation University of Aizu (Univ. of Aizu)
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Date Time 2018-06-02 09:25:00 
Presentation Time 25 
Registration for SC 
Paper # IEICE-SC2018-11 
Volume (vol) IEICE-118 
Number (no) no.72 
Page pp.59-64 
#Pages IEICE-6 
Date of Issue IEICE-SC-2018-05-25 

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