Watermarking 3D Polygonal Meshes in the Mesh Spectral Domain. - Ryutarou Ohbuchi; Shigeo Takahashi; Takahiko Miyazawa; Akio Mukaiyama (Graphics Interface, 2001)

A Frequency-Domain Approach to Watermarking 3D Shapes. - Ryutarou Ohbuchi; Akio Mukaiyama; Shigeo Takahashi (Comput. Graph. Forum, 2002)

Watermarking a 3D Shape Model Defined as a Point Set. - Ryutarou Ohbuchi; Akio Mukaiyama; Shigeo Takahashi (CW, 2004)