Blind watermark algorithm on 3D motion model based on wavelet transform

Hu Qi; Lang Zhai

doi:10.1117/12.2038027

19 December 2013 Blind watermark algorithm on 3D motion model based on wavelet transform

Hu Qi, Lang Zhai

Proceedings Volume 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 90451N (2013) https://doi.org/10.1117/12.2038027
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

With the continuous development of 3D vision technology, digital watermark technology, as the best choice for copyright protection, has fused with it gradually. This paper proposed a blind watermark plan of 3D motion model based on wavelet transform, and made it loaded into the Vega real-time visual simulation system. Firstly, 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 to change its frequency coefficients and embed watermark, finally generate 3D motion model with watermarking. In fixed affine space, achieve the robustness in translation, revolving and proportion transforms. The results show that this approach has better performances not only in robustness, but also in watermark- invisibility.

Citation Download Citation

Hu Qi and Lang Zhai "Blind watermark algorithm on 3D motion model based on wavelet transform", Proc. SPIE 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 90451N (19 December 2013); https://doi.org/10.1117/12.2038027

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KEYWORDS

3D modeling

Digital watermarking

Motion models

Wavelet transforms

Affine motion model

Visualization

Spherical lenses

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