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Paper Abstract and Keywords
Presentation 2016-05-20 14:05
Technique for Reading Information Embedded Inside Gypsum Objects Fabricated With 3-D Printers
Kosuke Nakamura, Masahiro Suzuki (Kanagawa Inst. Tech.), Youichi Takashima (NTT), Hideyuki Torii, Kazutake Uehira (Kanagawa Inst. Tech.) IT2016-16 EMM2016-16
Abstract (in Japanese) (See Japanese page) 
(in English) We evaluated our previously proposed technique for protecting copyrights of digital data for 3-D printing. The proposed technique embedded copyright information into not only digital data but also fabricated objects and read it out from the objects to confirm illegal acts such as bootleg products. In our previous studies, we demonstrated that we could nondestructively read information embedded into plastic objects by constructing their inside with small cavities. In this study, we examined whether the proposed technique could be applied to gypsum objects. Information was embedded into gypsum objects by constructing their inside with small areas that were not solidified and were filled with gypsum powder. Thermography was used for nondestructive readout. The results obtained from the experiment indicated that the embedded information could be read. We demonstrated that the proposed technique could be applied to gypsum objects.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital Fabrication / 3-D Printing / 3-D Printer / Copyright / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 34, EMM2016-16, pp. 93-97, May 2016.
Paper # EMM2016-16 
Date of Issue 2016-05-12 (IT, EMM) 
ISSN Print edition: ISSN 0913-5685    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 IT2016-16 EMM2016-16

Conference Information
Committee IT EMM  
Conference Date 2016-05-19 - 2016-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Otaru Economic Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Information Security, Information Theory, Information Hiding, etc. 
Paper Information
Registration To EMM 
Conference Code 2016-05-IT-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Technique for Reading Information Embedded Inside Gypsum Objects Fabricated With 3-D Printers 
Sub Title (in English)  
Keyword(1) Digital Fabrication  
Keyword(2) 3-D Printing  
Keyword(3) 3-D Printer  
Keyword(4) Copyright  
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1st Author's Name Kosuke 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 Youichi Takashima  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Hideyuki Torii  
4th Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
5th Author's Name Kazutake Uehira  
5th Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. Tech.)
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Speaker Author-1 
Date Time 2016-05-20 14:05:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # IT2016-16, EMM2016-16 
Volume (vol) vol.116 
Number (no) no.33(IT), no.34(EMM) 
Page pp.93-97 
#Pages 5 
Date of Issue 2016-05-12 (IT, EMM) 

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