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- W2362243375 abstract "There are many research developments on improving the robustness of digital watermarking.On the contrary,security has received little attention.In this paper,the leakage of security in the watermarking algorithm based on quantization of DC coefficients in discrete cosine transform is analyzed,and the security of the algorithm is enhanced by randomly blocking the carrier image and maintaining the mean intensity of the watermarked image.The experiment results indicate that the improved algorithm can enhance the security of the watermark and it affects the robustness of the watermark little." @default.
- W2362243375 created "2016-06-24" @default.
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- W2362243375 date "2008-01-01" @default.
- W2362243375 modified "2023-09-22" @default.
- W2362243375 title "Improving Security of Digital Watermarking Algorithm Based on Quantization" @default.
- W2362243375 hasPublicationYear "2008" @default.
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