Share Email Print
cover

Proceedings Paper

3D printing optical watermark algorithms based on the combination of DWT and Fresnel transformation
Author(s): Qi Hu; Jin Duan; Di Zhai; LiNing Wang
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

With the continuous development of industrialization, 3D printing technology steps into individuals’ lives gradually, however, the consequential security issue has become the urgent problem which is imminent. This paper proposes the 3D printing optical watermark algorithms based on the combination of DWT and Fresnel transformation and utilizes authorized key to restrict 3D model printing’s permissions. Firstly, algorithms put 3D model into affine transform, and take the distance from the center of gravity to the vertex of 3D object in order to generate a one-dimensional discrete signal; then make this signal into wavelet transform and put the transformed coefficient into Fresnel transformation. Use math model to embed watermark information into it and finally generate 3D digital model with watermarking. This paper adopts VC++.NET and DIRECTX 9.0 SDK for combined developing and testing, and the results show that in fixed affine space, achieve the robustness in translation, revolving and proportion transforms of 3D model and better watermark-invisibility. The security and authorization of 3D model have been protected effectively.

Paper Details

Date Published: 28 October 2016
PDF: 6 pages
Proc. SPIE 9683, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 968312 (28 October 2016); doi: 10.1117/12.2242558
Show Author Affiliations
Qi Hu, Changchun Univ. of Science and Technology (China)
Jilin Business and Technology College (China)
Jin Duan, Changchun Univ. of Science and Technology (China)
Di Zhai, Public Security of Jilin Province (China)
LiNing Wang, Jilin Univ. (China)


Published in SPIE Proceedings Vol. 9683:
8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Wenhan Jiang; Li Yang; Oltmann Riemer; Shengyi Li; Yongjian Wan, Editor(s)

© SPIE. Terms of Use
Back to Top