1. Q. Liu, Q.S. Ai, A combination of DCT-based and SVD-based watermarking scheme, in: Proceedings of the Seventh International Conference on Signal Processing, Beijing, China, August 31–September 4 2004, pp. 875–878.
2. A unified digital watermark algorithm based on singular value decomposition and spread spectrum technology;Liu;Chin. J. Electron.,2005
3. Digital watermarking in three-dimensional space with a virtual-optics imaging modality;Peng;Opt. Commun.,2003
4. Z.D Zhou, Q.S. Ai, Q. Liu, A SVD-based digital watermarking algorithm for 3D mesh models, in: Proceedings of the Eighth International Conference on Signal Processing, Guilin, China, 16–20 November 2006, p. 4129655.
5. A robust watermarking scheme for 3D triangular mesh models;Yu;Pattern Recognition,2003