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| Presentation | 2014-09-18 15:40 New technique using thermography for nondestructive readout of information hidden in objects fabricated with 3-D printers Piyarat Silapasuphakornwong, Masahiro Suzuki, Kazutake Uehira (Kanagawa Inst. Tech.), Youichi Takashima (NTT), Hiroshi Unno (Kanagawa Inst. Tech.)  LOIS2014-20 IE2014-33 EMM2014-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This study presents nondestructive readout of information hidden in objects fabricated with 3-D printers. Although conventional techniques can hide information in objects fabricated objects with 3-D printers to protect copyright of digital data for 3-D printing, readout of the hidden information is difficult because of taking X-ray photograph. In a technique presented in this study, fabricated objects that have cavities near the surface are heated, and the spatial pattern of cavities are detected based on the temperature distribution on the surface. This technique requires only a heating device and a thermography; therefore, it is easier than conventional techniques. In the evaluation, an experiment was conducted to examine whether the spatial pattern of cavities could be detected by eyesight, and the results obtained from this experiment demonstrated that the technique was feasible. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Digital Fabrication / 3-D Printing / 3-D Printer / Copyright / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 222, EMM2014-50, pp. 37-40, Sept. 2014. | |
| Paper # | EMM2014-50 | |
| Date of Issue | 2014-09-11 (LOIS, IE, 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 | LOIS2014-20 IE2014-33 EMM2014-50 |
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| Conference Information | |
| Committee | IE EMM LOIS IEE-CMN ITE-ME |
| Conference Date | 2014-09-18 - 2014-09-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2014-09-IE-EMM-LOIS-CMN-ME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | New technique using thermography for nondestructive readout of information hidden in 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 |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Piyarat Silapasuphakornwong |
| 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 | Kazutake Uehira |
| 3rd Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
| 4th Author's Name | Youichi Takashima |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 5th Author's Name | Hiroshi Unno |
| 5th Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
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| Speaker | Author-1 |
| Date Time | 2014-09-18 15:40:00 |
| Presentation Time | 25 minutes |
| Registration for | EMM |
| Paper # | LOIS2014-20, IE2014-33, EMM2014-50 |
| Volume (vol) | vol.114 |
| Number (no) | no.220(LOIS), no.221(IE), no.222(EMM) |
| Page | pp.37-40 |
| #Pages | 4 |
| Date of Issue | 2014-09-11 (LOIS, IE, EMM) |
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