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IEEE/ICACT20220108 Slide.09
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In watermark detection, we first compute the mid-frequency domain of DCT coefficients E¡¯a+w from the watermark embedded network, using the same processes used for watermark embedding. Then, calculate the correlation value between E¡¯a+w and P¡¯mark while changing x, the seed value of P¡¯mark. If x equals Key, the random value used in the embedding process, the two values show a strong correlation. | |
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