Visual watermark free 702 block12/29/2023 ![]() ![]() In this respect, watermarking technology is considered to be a potentially efficient solution to prevent illegal copies of 3D models from being made. It has also increased the importance of protecting the copyright of these models. The availability of numerous new technologies for representation, storage, and distribution of digital media information has resulted in a rapid increase in the number of applications of 3D models. The simulation results show that, compared to existing state-of-the-art methods, the proposed method is robust against attacks such as noise, smoothing, simplification, cropping, rotation, translation, and scaling while ensuring high visual quality of the watermarked model. The choice of the embedding position and the embedding strength can provide a suitable trade-off between good transparency and maximum robustness of the proposed method. The vertices of the high-resolution group are reserved for resisting simplification and smoothing attacks. The selection of vertices that contain information about the watermark is based on the area of the local set of the vertex, the curvature of which determines the embedding strength of the watermark. In the medium-resolution group, appropriate vertices in which to embed the watermarking information are selected. ![]() The vertices of the low-resolution group are used to establish an invariant space in which to resist geometric attacks. The vertices of the model are classified into three groups. IET Generation, Transmission & DistributionĪ 3D model watermarking method robust to geometric attacks is proposed.IET Electrical Systems in Transportation.IET Cyber-Physical Systems: Theory & Applications.IET Collaborative Intelligent Manufacturing.CAAI Transactions on Intelligence Technology.
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