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Paper Abstract and Keywords
Presentation 2017-03-07 13:00
Protecting User's Location History in Photo-Based Information Query System
Kojiro Fujii, Kazuaki Nakamura, Naoko Nitta, Noboru Babaguchi (Osaka Univ.) EMM2016-102
Abstract (in Japanese) (See Japanese page) 
(in English) With the development of image recognition technology and the spread of mobile devices, photo-based information query services, in which users can get some guide information for a sight-seeing spot or a shop by taking its photo and sending it to an image recognition server, will be realized in the near future. However, this kind of client-server-based services can cause a privacy issue; the user's location history is disclosed to the server when the user uses the service many times. This is a kind of privacy leak from the user's viewpoint. To tackle the privacy issue, in this paper, we propose a novel framework of image recognition that can protect user's location history. In our experiments, the proposed framework can decrease the server's recognition accuracy to about 40% while keeping more than 90% of recognition accuracy on the user side.
Keyword (in Japanese) (See Japanese page) 
(in English) image recognition / privacy protection / feature transformation / photo-based information query system / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 501, EMM2016-102, pp. 91-96, March 2017.
Paper # EMM2016-102 
Date of Issue 2017-02-27 (EMM) 
ISSN Print edition: ISSN 0913-5685  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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMM2016-102

Conference Information
Committee EMM  
Conference Date 2017-03-06 - 2017-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima Marin Terminal Building (Okinawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image and Sound Quality, Metrics for Perception and Recognition, Human Auditory and Visual System, etc. 
Paper Information
Registration To EMM 
Conference Code 2017-03-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Protecting User's Location History in Photo-Based Information Query System 
Sub Title (in English)  
Keyword(1) image recognition  
Keyword(2) privacy protection  
Keyword(3) feature transformation  
Keyword(4) photo-based information query system  
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1st Author's Name Kojiro Fujii  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Kazuaki Nakamura  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Naoko Nitta  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Noboru Babaguchi  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker
Date Time 2017-03-07 13:00:00 
Presentation Time 25 
Registration for EMM 
Paper # IEICE-EMM2016-102 
Volume (vol) IEICE-116 
Number (no) no.501 
Page pp.91-96 
#Pages IEICE-6 
Date of Issue IEICE-EMM-2017-02-27 


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