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Title |
Investigating the efficiency and promotion of watermarking methods based on decomposition of singular values |
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Author |
Moin Sadeghi Askari, Amir Hossein Javanshir |
| Citation |
Vol. 17 No. 6 pp. 229-240 |
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Abstract |
In this paper, a watermarking algorithm based on SVD transformation (decomposition of singular values) is presented which is less complex than other methods in this field. In suggested method, first a discrete cosines transform is gotten from the image of host and after division of image in transformation domain to not spanning blocks, the SVD transform is applied for each of them. Finally, watermark is inserted in singular values. The results of scientific comparing experiments indicates the efficiency of suggested methods in comparison with basic method based on SVD in terms of quality and resistance. |
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Keywords |
watermarking, blind watermarking, resistant watermarking, SVD |
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