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Paper Abstract and Keywords
Presentation 2021-01-21 18:10
Two-Layered QR Codes and Their Principles -- Development of Hologram QR Codes --
Hiroya Kawahara, Kohei Yamasaki (Kobe Univ.), Makoto Takita (University of Hyogo), Yoshiaki Shiraishi, Masakatu Morii (Kobe Univ.) ICM2020-48 LOIS2020-36
Abstract (in Japanese) (See Japanese page) 
(in English) The Quick Response (QR) code is used for various purposes, such as accessing web pages, payment, etc. The QR codes which are storing multiple messages will lead to the development of new services. We have already proposed a fake QR code that probabilistically outputs two messages using the feature of the error-correcting code. This paper focuses on image processing on QR code decoders and proposes the hologram QR code that can control the output message depending on the scanning angle. We experimented with the hologram QR code with multiple smartphones and decoders and confirmed that it is possible to get two messages by tilting a smartphone to the left and right and scanning the QR code.
Keyword (in Japanese) (See Japanese page) 
(in English) two-dimensional code / error-correcting code / image processing / perspective transformation / hologram QR code / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 324, LOIS2020-36, pp. 81-86, Jan. 2021.
Paper # LOIS2020-36 
Date of Issue 2021-01-14 (ICM, LOIS) 
ISSN 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee ICM LOIS  
Conference Date 2021-01-21 - 2021-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Practical Use of Lifelog, Office Information System, Business Management, etc. 
Paper Information
Registration To LOIS 
Conference Code 2021-01-ICM-LOIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Two-Layered QR Codes and Their Principles 
Sub Title (in English) Development of Hologram QR Codes 
Keyword(1) two-dimensional code  
Keyword(2) error-correcting code  
Keyword(3) image processing  
Keyword(4) perspective transformation  
Keyword(5) hologram QR code  
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1st Author's Name Hiroya Kawahara  
1st Author's Affiliation Kobe University (Kobe Univ.)
2nd Author's Name Kohei Yamasaki  
2nd Author's Affiliation Kobe University (Kobe Univ.)
3rd Author's Name Makoto Takita  
3rd Author's Affiliation University of Hyogo (University of Hyogo)
4th Author's Name Yoshiaki Shiraishi  
4th Author's Affiliation Kobe University (Kobe Univ.)
5th Author's Name Masakatu Morii  
5th Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2021-01-21 18:10:00 
Presentation Time 20 minutes 
Registration for LOIS 
Paper # ICM2020-48, LOIS2020-36 
Volume (vol) vol.120 
Number (no) no.323(ICM), no.324(LOIS) 
Page pp.81-86 
#Pages
Date of Issue 2021-01-14 (ICM, LOIS) 


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