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- W234642919 abstract "Most of existent blind watermarking methods in frequency domain use coefficient relationship to detect the watermark without original image. But the change in coefficient values occurred when the original image was attacked by lossy JPEG compression or noise addition. So robustness of watermark detection was weaken. In order to solve these problems, this paper presents a robust watermarking method, which enables multiple watermark insertion. Also, in order to reduce errors in the detected value of watermarks according to small changes in the coefficient relationship when detecting watermarks, it set the change guard value for variation of the coefficients. The experimental results show that the proposed method has good image quality and is robust to various attacks such as the JPEG lossy compression, noise addition, etc." @default.
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- W234642919 date "2009-01-01" @default.
- W234642919 modified "2023-09-24" @default.
- W234642919 title "Coefficient Adaptive Multiple Insertion Method With Blind Watermarking" @default.
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