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Paper Abstract and Keywords
Presentation 2026-06-18 16:05
Deep Analysis of QR Codes: Error Correction Visualization and Fake Code Detection
Atsushi Maruoka, Senling Wang, Hiroshi Kai, Hiroshi Takahashi (Ehime Univ.), Masakatu Morii (Kobe Univ.) IA2026-25 ICSS2026-25
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a comprehensive QR code analysis system that extends beyond conventional decoding by providing in-depth structural and security evaluation. The system visualizes the error correction process based on Reed–Solomon codes, including pre- and post-correction data comparison and padding code analysis. It extracts detailed metadata such as QR version, error correction level, and decoding reliability. Furthermore, it incorporates mechanisms for detecting fake QR codes and assessing the authenticity of embedded URLs, including phishing risk analysis. By integrating structural decoding with security evaluation, the proposed approach enables a deeper understanding of QR code behavior and potential threats. This framework is expected to contribute to both academic research and practical applications in cybersecurity, particularly in mitigating risks associated with malicious QR codes and enhancing trust in QR-based systems.
Keyword (in Japanese) (See Japanese page) 
(in English) QR code / Fake QR code / Reed-Solomon code / Phishing / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 74, ICSS2026-25, pp. 162-169, June 2026.
Paper # ICSS2026-25 
Date of Issue 2026-06-10 (IA, ICSS) 
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)
Download PDF IA2026-25 ICSS2026-25

Conference Information
Committee IA ICSS  
Conference Date 2026-06-17 - 2026-06-18 
Place (in Japanese) (See Japanese page) 
Place (in English) e-Topia, Kagawa BB Square 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Security, etc. 
Paper Information
Registration To ICSS 
Conference Code 2026-06-IA-ICSS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Deep Analysis of QR Codes: Error Correction Visualization and Fake Code Detection 
Sub Title (in English)  
Keyword(1) QR code  
Keyword(2) Fake QR code  
Keyword(3) Reed-Solomon code  
Keyword(4) Phishing  
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1st Author's Name Atsushi Maruoka  
1st Author's Affiliation Ehime University (Ehime Univ.)
2nd Author's Name Senling Wang  
2nd Author's Affiliation Ehime University (Ehime Univ.)
3rd Author's Name Hiroshi Kai  
3rd Author's Affiliation Ehime University (Ehime Univ.)
4th Author's Name Hiroshi Takahashi  
4th Author's Affiliation Ehime University (Ehime Univ.)
5th Author's Name Masakatu Morii  
5th Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2026-06-18 16:05:00 
Presentation Time 25 minutes 
Registration for ICSS 
Paper # IA2026-25, ICSS2026-25 
Volume (vol) vol.126 
Number (no) no.73(IA), no.74(ICSS) 
Page pp.162-169 
#Pages 8 
Date of Issue 2026-06-10 (IA, ICSS) 

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