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2022 Fiscal Year Final Research Report

Technique of embedding information inside 3D-printed objects

Research Project

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Project/Area Number 19H04141
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 61010:Perceptual information processing-related
Research InstitutionKanagawa Institute of Technology

Principal Investigator

Torii Hideyuki  神奈川工科大学, 情報学部, 教授 (20343642)

Co-Investigator(Kenkyū-buntansha) 上平 員丈  神奈川工科大学, 情報学部, 教授 (50339892)
鈴木 雅洋  聖泉大学, 人間学部, 准教授 (30397046)
Project Period (FY) 2019-04-01 – 2023-03-31
Keywords3Dプリンタ / デジタルファブリケーション / 情報ハイディング
Outline of Final Research Achievements

This study aims to achieve the technology of embedding digital information into the interior of physical objects created by a 3D printer, simultaneously with the fabrication process, and the technology to read the embedded information non-destructively. Near-infrared fluorescent dyes were used as embedding materials to make the embedding patterns detectable with high contrast, and the desired results were obtained. Additionally, we achieved a practical reading accuracy by applying a generative adversarial network to the reading images. Furthermore, we investigated the use of magnetic materials in the embedding patterns as a method to enable rewriting of the embedded information and demonstrated its feasibility.

Free Research Field

情報通信

Academic Significance and Societal Importance of the Research Achievements

3Dプリンタが普及すると、消費者はネットを介して商品の設計データを購入すれば、これを3Dプリンタに入力するだけで自宅やオフィスで所望の商品を簡単に製造して入手可能となる。このため、3Dプリンタは製造業や物流の世界を変革するといわれている。本研究が目指す、3Dプリンタで製造されるものの中にデジタル情報を埋め込む技術が実現されれば、IoTなどでの利用も可能になり、3Dプリンタ造形物の活用範囲が飛躍的に拡大して社会に大きなインパクトを与えることが期待される。

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Published: 2024-01-30  

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