Digital watermarking has been proposed as an effective solution to the problem of copyright protection of digital products.This paper creates a kind of visual watermark based on the image gray property and realizes the embedding and extracting processes combining the Singular Value Decomposition of the image.Experimental results show that this algorithm can get a watermarked image with perceptual invisibility and certain robust.
| 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
