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Color image watermarking algorithm based on improved SVD

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成果類型:
期刊論文
作者:
Hui, Ge;Li, Tu
通訊作者:
Li, T.(tulip1903@163.com)
作者機構:
[Hui, Ge] Department of Fine Arts, Heze University, China
[Li, Tu] School of Information Science and Engineering, Hunan City University, China
語種:
英文
期刊:
International Journal of Advancements in Computing Technology
ISSN:
2005-8039
年:
2012
卷:
4
期:
15
頁碼:
31-37
機構署名:
本校為其他機構
院系歸屬:
信息與電子工程學院
摘要:
In order to obtain unification between the robustness and invisibility of watermarking images, under the condition of the same quality of watermark, the more robustness of for anti-interference and noises in image processing can be obtained. Improved watermarking algorithm for color image based on quick block singular value decomposition is proposed. SVD transformation preserves both one-way and non-symmetric properties. This watermarking algorithm is purposed to embed the watermark by both of the U and D components of improved SVD. Experiments and attacks test show that the algorithm has good robustness. Furthermore, the extracted watermark can still be easily identified after tampering.

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