Geometry-Based Watermarking of 3D Models
IEEE Computer Graphics and Applications
Image-adaptive watermarking using visual models
IEEE Journal on Selected Areas in Communications
Watermarking three-dimensional polygonal models through geometric and topological modifications
IEEE Journal on Selected Areas in Communications
A numerically stable fragile watermarking scheme for authenticating 3D models
Computer-Aided Design
CAD drawing watermarking scheme
Digital Signal Processing
Technical Section: Topology authentication for CAPD models based on Laplacian coordinates
Computers and Graphics
Watermarking 3D CAPD models for topology verification
Computer-Aided Design
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Currently there has been much interested in developing the watermarking for 3D graphic data of mesh model or NURBS. However, the watermarking technique based on 3D CAD drawing leaves something to be desired. This paper proposes a watermarking technique for 3D design drawing using the components of Line, 3DFACE and ARC based on vertex that prevent the infringement of copyright from unlawfulness reproductions and distribution. By experimental result, we confirmed the invisibility of embedded watermarks as well as the robustness in geometrical attacks and file conversion to DWG, DXF, DWT and DWS.