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Paper Abstract and Keywords
Presentation 2021-03-01 09:35
A Method for Reconstructing Hidden Background Image in Tele-conference with Virtual Background
Satoki Tsuji, Ryusei Ishikawa (Ritsumeikan Univ.), Masashi Eto (NICT), Yuichi Hattori (Secure Cycle Inc.), Hiroyuki Inoue (Hiroshima City Univ.) ICSS2020-35
Abstract (in Japanese) (See Japanese page) 
(in English) Interpersonal communications through video chat software has become essential since a remote work is now encouraged. When someone uses video chats software in his personal spaces such as the home, a virtual background functionality is indispensable for the privacy protection.
In this study, we incorporate a new method of reconstructing indoor background information that should remain secret by leveraging the instability in virtual backgrounds. Also, we evaluate the effectiveness of current privacy protection for video chat software widely used by the public to demonstrate the requirements for advanced privacy protection techniques.
Keyword (in Japanese) (See Japanese page) 
(in English) Virtual background / Image reconstruction / Remote work / Teleconference / Privacy / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 384, ICSS2020-35, pp. 55-60, March 2021.
Paper # ICSS2020-35 
Date of Issue 2021-02-22 (ICSS) 
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)
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Conference Information
Committee ICSS IPSJ-SPT  
Conference Date 2021-03-01 - 2021-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, Trust, etc. 
Paper Information
Registration To ICSS 
Conference Code 2021-03-ICSS-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Method for Reconstructing Hidden Background Image in Tele-conference with Virtual Background 
Sub Title (in English)  
Keyword(1) Virtual background  
Keyword(2) Image reconstruction  
Keyword(3) Remote work  
Keyword(4) Teleconference  
Keyword(5) Privacy  
1st Author's Name Satoki Tsuji  
1st Author's Affiliation * (*)
2nd Author's Name Ryusei Ishikawa  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Masashi Eto  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Yuichi Hattori  
4th Author's Affiliation Secure Cycle Inc. (Secure Cycle Inc.)
5th Author's Name Hiroyuki Inoue  
5th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Date Time 2021-03-01 09:35:00 
Presentation Time 25 
Registration for ICSS 
Paper # IEICE-ICSS2020-35 
Volume (vol) IEICE-120 
Number (no) no.384 
Page pp.55-60 
#Pages IEICE-6 
Date of Issue IEICE-ICSS-2021-02-22 

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