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Paper Abstract and Keywords
Presentation 2017-03-06 14:30
[Poster Presentation] Technique Using Near-Infrared Reflected Imaging for Reading Information Embedded Into Objects Fabricated With 3-D Printers
Kousuke Nakamura, Masahiro Suzuki, Keigo Takazawa (Kanagawa Inst. Tech.), Youichi Takashima (NTT), Hideyuki Torii, Kazutake Uehira (Kanagawa Inst. Tech.) EMM2016-88
Abstract (in Japanese) (See Japanese page) 
(in English) We evaluated our previously proposed technique of invisibly embedding information inside a 3-D printed object and of nondestructively reading the embedding information from the object by using near-infrared reflected imaging. In this technique, information is first embedded in the digital data for 3-D printing. Then, the information is also embedded inside a 3-D printed object when the object is fabricated with the data and a 3-D printer. The information inside the object is expressed by constructing the inside with fine domains different in physical characteristics from the main body. The structure of the fine domains inside the object is detected by utilizing nondestructive inspection, and the information is decoded from the detected structure. In the experiment, the main body was fabricated from blue resin that had high transmittance of the near-infrared rays. The fine domains were fabricated from white resin that had high reflectance of the near-infrared rays. Near-infrared reflected imaging was used to detect the structure of the fine domains inside the object. The results obtained from the experiment indicated that the structure of the fine domains inside the object could be detected by eyesight. We demonstrated the feasibility of the technique.
Keyword (in Japanese) (See Japanese page) 
(in English) 3-D Printers / 3-D Printing / Digital Fabrication / Additive Manufacturing / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 501, EMM2016-88, pp. 13-17, March 2017.
Paper # EMM2016-88 
Date of Issue 2017-02-27 (EMM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 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) Technique Using Near-Infrared Reflected Imaging for Reading Information Embedded Into Objects Fabricated With 3-D Printers 
Sub Title (in English)  
Keyword(1) 3-D Printers  
Keyword(2) 3-D Printing  
Keyword(3) Digital Fabrication  
Keyword(4) Additive Manufacturing  
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1st Author's Name Kousuke Nakamura  
1st Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
2nd Author's Name Masahiro Suzuki  
2nd Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
3rd Author's Name Keigo Takazawa  
3rd Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
4th Author's Name Youichi Takashima  
4th Author's Affiliation NTT Corporation (NTT)
5th Author's Name Hideyuki Torii  
5th Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
6th Author's Name Kazutake Uehira  
6th Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
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Speaker Author-1 
Date Time 2017-03-06 14:30:00 
Presentation Time 60 minutes 
Registration for EMM 
Paper # EMM2016-88 
Volume (vol) vol.116 
Number (no) no.501 
Page pp.13-17 
#Pages
Date of Issue 2017-02-27 (EMM) 


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