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The extraction of the watermark is achieved using extraction software, which is independent of the ID and camouflage pattern, and anyone can read and see the embedded information without a key.
In this research, we used discriminator based on neural network machine learning. The structure of the NN is illustrated in Figure. The number of neurons in the input layer was 256, the hidden layer (middle layer) was 50, and the output layer was five. The sigmoid function is used as the activation function, and the confidence information is obtained by softmax in the final stage.
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IEEE/ICACT20220093 Slide.16
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