Research Article
A Blind Watermarking Model of the 3D Object and the Polygonal Mesh Objects for Securing Copyright
Table 2
Comparison of recent schemes.
| Scheme | Cover media | Watermark sequence | Embedding color space | Domain | Capacity | Is blind? |
| Chow et al. [38] | Grayscale image | QR code | Grayscale | DWT-DCT | 0.0002 | Yes | Amini et al. [40] | Grayscale image | Binary bits | Grayscale | DWT | 0.0156 | Yes | Rosales-Roldan et al. [39] | Color image | QR code | YCbCr | SVD-DWT-DCT | 0.0833 | Yes | Patvardhan et al. [41] | Color image | QR code | YCbCr | SVD-DWT | 0.1667 | No | Ayubi et al. [12] | Video | 2D binary image | RGB | IWT-DWT-CT | 0.0034 | Yes | Hou et al. [42] | 3D printed object | Binary pattern | High masking regions | Visual masking | 1 bit | Yes | Delmotte et al. [43] | 3D printed object | Binary bits | G-code | Layer thickness | >64 bits | Yes | Jiang et al. [44] | 3D object | Binary bits | Vertices | Encrypted domain | 0.3692 | Yes | Cayre et al. [45] | 3D object | Binary bits | Vertices | Spatial | 0.8772 | Yes | Wu et al. [46] | 3D object | 2D binary image | Vertices | Spatial | 0.9969 | No | Khalil et al. [18] | 3D object | Grayscale image | Vertices | Spatial | 2.6667 | Yes | The proposed | 3D object | Grayscale image | Vertices | DCT | 8 | Yes |
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