| Paper Abstract and Keywords |
| Presentation |
2016-08-09 10:00
Technique Using Near-Infrared Imaging for Reading Information Embedded Into Objects Fabricated With 3-D Printers
Masahiro Suzuki, Kousuke Nakamura, Keigo Takazawa (Kanagawa Inst. Tech.), Youichi Takashima (NTT), Hideyuki Torii, Kazutake Uehira (Kanagawa Inst. Tech.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We evaluated our previously proposed technique of protecting copyrights of digital data for 3-D printing. The proposed technique embeds copyright information into not only digital data but also objects fabricated from the data by constructing their inside with fine structure. The proposed technique also nondestructively reads the information embedded inside the objects to confirm illegal acts such as bootleg products. We had evaluated the proposed technique by examining nondestructive reading using near-infrared imaging in our previous studies. However, the experimental results in these studies had only shown that fine structure inside fabricated objects was seen by eyesight. Therefore, we examined an algorithm of automatic reading using near-infrared imaging in this study. The test sample used in this study was an object fabricated with low infill density. Embedded information was expressed by constructing protuberances with inner walls, and arrays of the protuberances were surrounded by the structure similar to walls. Near-infrared images of the test sample were analyzed by using the structure surrounding the arrays as a reference to calculate weighted means for shading compensation. The experimental results indicated that the embedded information was correctly recognized, and we demonstrated the feasibility of automatic reading using near-infrared imaging. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Digital Fabrication / 3-D Printing / 3-D Printer / Copyright / Additive Manufacturing / / / |
| Reference Info. |
ITE Tech. Rep. |
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| Conference Information |
| Committee |
ME CE IPSJ-AVM IEICE-IE |
| Conference Date |
2016-08-08 - 2016-08-09 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
IEICE-IE |
| Conference Code |
2016-08-IE-ME-AVM-CE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Technique Using Near-Infrared Imaging for Reading Information Embedded Into Objects Fabricated With 3-D Printers |
| Sub Title (in English) |
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| Keyword(1) |
Digital Fabrication |
| Keyword(2) |
3-D Printing |
| Keyword(3) |
3-D Printer |
| Keyword(4) |
Copyright |
| Keyword(5) |
Additive Manufacturing |
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| 1st Author's Name |
Masahiro Suzuki |
| 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 |
Keigo Takazawa |
| 3rd Author's Affiliation |
Kanagawa Institute of Technology (Kanagawa Inst. Tech.) |
| 4th Author's Name |
Youichi Takashima |
| 4th Author's Affiliation |
NTT Service Evolution Laboratories (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 |
2016-08-09 10:00:00 |
| Presentation Time |
30 minutes |
| Registration for |
IEICE-IE |
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| Volume (vol) |
vol.40 |
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