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Paper Abstract and Keywords
Presentation 2026-01-22 16:40
A Study on Data Embedding and Demodulation Methods in Display-Camera Visible Light Communication Using Adversarial Examples
Sotaro Akai (Nagoya Univ), Hiraku Okada (Meijo Univ), Tadahiro Wada (Shizuoka Univ), Shan Lu, Takaya Yamazato (Nagoya Univ) SeMI2025-49
Abstract (in Japanese) (See Japanese page) 
(in English) This study investigates a display-camera visible light communication method using adversarial examples against a monocular depth estimation model. In this system, a target image representing data is embedded into a depth map of a background image and displayed on a screen. A camera captures the displayed image, and the embedded data are extracted from the estimated depth map. This study proposes an embedding method using target images with suppressed depth variation and a demodulation method that adjusts the detection region within depth estimation images, and their performances are compared in a simulation environment that simulates real-world conditions. As a result, suppressing depth variations in the target image yields no performance improvement, whereas reducing the decision region reduces the error rate and improves performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Display-Camera Visible Light Communication / Depth Estimation / Adversarial Examples / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 325, SeMI2025-49, pp. 19-24, Jan. 2026.
Paper # SeMI2025-49 
Date of Issue 2026-01-15 (SeMI) 
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 SeMI2025-49

Conference Information
Committee SeMI  
Conference Date 2026-01-22 - 2026-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SeMI 
Conference Code 2026-01-SeMI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Data Embedding and Demodulation Methods in Display-Camera Visible Light Communication Using Adversarial Examples 
Sub Title (in English)  
Keyword(1) Display-Camera Visible Light Communication  
Keyword(2) Depth Estimation  
Keyword(3) Adversarial Examples  
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1st Author's Name Sotaro Akai  
1st Author's Affiliation Nagoya University (Nagoya Univ)
2nd Author's Name Hiraku Okada  
2nd Author's Affiliation Meijo University (Meijo Univ)
3rd Author's Name Tadahiro Wada  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ)
4th Author's Name Shan Lu  
4th Author's Affiliation Nagoya University (Nagoya Univ)
5th Author's Name Takaya Yamazato  
5th Author's Affiliation Nagoya University (Nagoya Univ)
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Speaker Author-1 
Date Time 2026-01-22 16:40:00 
Presentation Time 20 minutes 
Registration for SeMI 
Paper # SeMI2025-49 
Volume (vol) vol.125 
Number (no) no.325 
Page pp.19-24 
#Pages 6 
Date of Issue 2026-01-15 (SeMI) 

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