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| Presentation | 2017-11-06 15:35 Technique of Embedding Information inside 3-D Printed Objects With Near-Infrared Fluorescent Resin Tomohisa Matumoto, Kousuke Nakamura, Hideyuki Torii (Kanagawa Inst. Tech.), Masahiro Suzuki (Tokiwa Univ.), Youichi Takashima (NTT), Kazutake Uehira (Kanagawa Inst. Tech.)  EMM2017-57 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have been studying a method of embedding information inside an object fabricated with a resin material using a 3D printer by forming pattern inside the object that expresses information. In this report, we report the new method of forming an internal pattern with a near infrared fluorescent resin material in order to improve the accuracy of reading embedded information. In this method, when an object is irradiated with near-infrared light of a specific wavelength that excites the fluorescent resin material, the fluorescent resin emits light at a wavelength different from that of the excitation light. Therefore, if only the light emitted by the fluorescent material is used for capturing near infrared image by using the optical filter, only the image of the pattern embedded in the object can be captured, and information reading with high accuracy can be expected. Using a fused deposition-modeling 3D printer with two nozzles, the main body of an abject was formed with one nozzle using ABS resin, and the other nozzle formed an internal pattern with ABS resin containing fluorescent dye. We confirmed that clear images of internal patterns could be captured and the effectiveness of this method was demonstrated. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 3-D Printer / Information Hiding / Near-Infrared Ray / Fluorescent Material / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 282, EMM2017-57, pp. 13-16, Nov. 2017. | |
| Paper # | EMM2017-57 | |
| Date of Issue | 2017-10-30 (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 | EMM2017-57 |
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| Conference Information | |
| Committee | EMM |
| Conference Date | 2017-11-06 - 2017-11-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima Univ. (Inamori Academy) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Multimedia Fusion, Content Processing, Multimedia Retrieval, Digital Watermarking, and Related Topics |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2017-11-EMM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Technique of Embedding Information inside 3-D Printed Objects With Near-Infrared Fluorescent Resin |
| Sub Title (in English) | |
| Keyword(1) | 3-D Printer |
| Keyword(2) | Information Hiding |
| Keyword(3) | Near-Infrared Ray |
| Keyword(4) | Fluorescent Material |
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| 1st Author's Name | Tomohisa Matumoto |
| 1st Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
| 2nd Author's Name | Kousuke Nakamura |
| 2nd Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
| 3rd Author's Name | Hideyuki Torii |
| 3rd Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
| 4th Author's Name | Masahiro Suzuki |
| 4th Author's Affiliation | Tokiwa University (Tokiwa Univ.) |
| 5th Author's Name | Youichi Takashima |
| 5th Author's Affiliation | NTT Service Evolution Laboratories (NTT) |
| 6th Author's Name | Kazutake Uehira |
| 6th Author's Affiliation | Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
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| Speaker | Author-6 |
| Date Time | 2017-11-06 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | EMM |
| Paper # | EMM2017-57 |
| Volume (vol) | vol.117 |
| Number (no) | no.282 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2017-10-30 (EMM) |
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