Robust 3D Watermarking Technique for Authentication of 3D Polygonal Medel

Abstract

Up to now, 3D watermarking has mainly focused on triangle meshes which are the most used digital representations of the shape of a 3D model. In this paper, we present a watermarking technique for authentication of 3D polygonal meshes. We propose a robust 3D watermarking method for high rate embedding of a watermark into 3D polygonal meshes. The proposed technique is based on spectral mesh compression, The core idea behind our technique is to apply laplacial spectral compression to each sub-mesh, the watermark embedding and extraction algorithms are applied to each sub-mesh. The proposed scheme improves the performance of the data embedding system, perceptual invisibility and it is resistant to a variety of the most common attacks.