標題: Authentication of 3-D polygonal meshes
作者: Lin, HY
Liao, HYM
Lu, CS
Lin, JC
資訊工程學系
Department of Computer Science
公開日期: 2004
摘要: Designing a powerful fragile watermarking technique for authenticating 3-D polygonal meshes is a very difficult task. Yeo and Yeung [17] were first to propose a fragile watermarking method to perform authentication of 3-D polygonal meshes. Although their method can authenticate the integrity of 3-D polygonal meshes, it is unable to distinguish malicious attacks from incidental data processings. In this paper, we propose a new fragile watermarking method which not only is able to detect malicious attacks, but also is immune to incidental data processings. During the process of watermark embedding, mesh parameterization techniques are employed to perturb the coordinates of invalid vertices while cautiously maintaining the appearance of the original model. Since the proposed embedding method is independent of the order of vertices, the hidden watermark is immune to some attacks, such as vertex reordering. In addition, the proposed method can be used to perform region-based tampering detection. The experimental results have shown that the proposed fragile watermarking scheme is indeed powerful.
URI: http://hdl.handle.net/11536/27293
ISBN: 3-540-21061-X
ISSN: 0302-9743
期刊: DIGITAL WATERMARKING
Volume: 2939
起始頁: 168
結束頁: 183
Appears in Collections:Conferences Paper