The following publications are possibly variants of this publication:
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- A New Multi-Layer Copyright Protection by Using Digital WatermarkingJong-Weon Kim, Jung-Soo Lee, Jong-Uk Choi. csreaSAM 2003: 626-632
- 3D Watermarking Shape Recognition System Using Normal Vector Distribution ModellingKi-Ryong Kwon, Seong Geun Kwon, Suk Hwan Lee. ais 2005: 481-489 [doi]
- Watermarking for 3D polygonal meshes using normal vector distributions of each patchKi-Ryong Kwon, Seong Geun Kwon, Suk Hwan Lee, Tae-Su Kim, Kuhn-Il Lee. icip 2003: 499-502