期刊名称:International Journal of Innovative Research in Computer and Communication Engineering
印刷版ISSN:2320-9798
电子版ISSN:2320-9801
出版年度:2013
卷号:1
期号:2
出版社:S&S Publications
摘要:In this paper, we propose a new semi-fragile watermarking algorithm for the authentication of 3Dmodels based on integral invariants. To do so, we embed a watermark image by modifying the integral invariants ofsome of the vertices. Basically, we shift a vertex and its neighbors in order to change the integral invariants. To extractthe watermark, test all the vertices for the embedded information, and combine them to recover the watermark image.How many parts can the watermark image be recovered would help us to make the authentication decision.Experimental test shows that this method is robust against rigid transform and noise attack, and useful to test purposelyattack besides transferring noise and geometrical transforming noise. An additional contribution of this paper is a newalgorithm for computing two kinds of integral invariants.