21 November 2002 Steganography for Three-Dimensional Polygonal Meshes
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This paper proposes a method to embed information into a 3D model represented by a polygonal mesh. The approach used consists in slightly changing the position of the vertices, influencing the length of approximation of the normals to the surface. This technique exhibits relatively low complexity, and offers robustness to simple geometric tranformations. In addition, it does not introduce any visible distortion to the original model.
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Nicolas Aspert, Nicolas Aspert, E. Drelie, E. Drelie, Y. Maret, Y. Maret, Touradj Ebrahimi, Touradj Ebrahimi, } "Steganography for Three-Dimensional Polygonal Meshes", Proc. SPIE 4790, Applications of Digital Image Processing XXV, (21 November 2002); doi: 10.1117/12.455358; https://doi.org/10.1117/12.455358

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