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Authors: Masahiro Suzuki 1 ; Piyarat Silapasuphakornwong 1 ; Kazutake Uehira 1 ; Hiroshi Unno 1 and Youichi Takashima 2

Affiliations: 1 Kanagawa Institute of Technology, Japan ; 2 Nippon Telegraph & Telephone Corp. Service Evolution Laboratories, Japan

Keyword(s): Digital Fabrication, 3D Printer, Copyright Protection.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Computer Vision, Visualization and Computer Graphics ; Media Watermarking and Security

Abstract: This paper proposes a technique that can protect the copyrights of digital content for 3D printers. It embeds the information on copyrights inside real objects fabricated with 3D printers by forming a fine structure inside the objects as a watermark. Information on copyrights is included in the content before data are input into the 3D printer. This paper also presents a technique that can non-destructively read out information from inside real objects by using thermography. We conducted experiments where we structured fine cavities inside the objects by disposition, which expressed binary code depending on whether or not the code was at a designated position. The results obtained from the experiments demonstrated that binary code could be read out successfully when we used micro-cavities with a horizontal size of 2 x 2 mm, and character information using ASCCI code could be embedded and read out correctly. These results demonstrated the feasibility of the technique we propose.

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Paper citation in several formats:
Suzuki, M.; Silapasuphakornwong, P.; Uehira, K.; Unno, H. and Takashima, Y. (2015). Copyright Protection for 3D Printing by Embedding Information Inside Real Fabricated Objects. In Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 1: VISAPP; ISBN 978-989-758-091-8; ISSN 2184-4321, SciTePress, pages 180-185. DOI: 10.5220/0005342401800185

@conference{visapp15,
author={Masahiro Suzuki. and Piyarat Silapasuphakornwong. and Kazutake Uehira. and Hiroshi Unno. and Youichi Takashima.},
title={Copyright Protection for 3D Printing by Embedding Information Inside Real Fabricated Objects},
booktitle={Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 1: VISAPP},
year={2015},
pages={180-185},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005342401800185},
isbn={978-989-758-091-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 1: VISAPP
TI - Copyright Protection for 3D Printing by Embedding Information Inside Real Fabricated Objects
SN - 978-989-758-091-8
IS - 2184-4321
AU - Suzuki, M.
AU - Silapasuphakornwong, P.
AU - Uehira, K.
AU - Unno, H.
AU - Takashima, Y.
PY - 2015
SP - 180
EP - 185
DO - 10.5220/0005342401800185
PB - SciTePress

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