Research and Implementation Based on Three-Dimensional Model Watermarking Algorithm

摘要

In this paper, a digital watermarking technique is proposed for 3D model. Through the three-dimensional model file model into a two-dimensional image, this paper uses watermark embedding in the transform domain of two - dimensional image to achieve 3D model copyright protection. First, the watermark embedding process is used to analyze the principal components, the normalization and the choice of the projection viewpoint. Then based on the X-axis projection to get three-dimensional model projection RGB color pictures. Wavelet transform, discrete cosine transform and singular value decomposition of the blind watermarking algorithm are used to carry out image transformation of two-dimensional images and embed watermark. Experimental results show that the invisibility of the watermark is higher in the 3D watermarking model and the capabilities of anti-rotation, anti-translation and anti-noise attack are stronger.