Function digital watermark encrypting system based on wavelet transformation and hyperchaos algorithm
A wavelet transform and digital watermarking technology, which is applied in electrical digital data processing, computing, image data processing, etc., can solve problems such as poor watermarking effect, and achieve the effect of low cost, good security performance and good robustness.
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[0022] Hereinafter, the present invention will be further described in conjunction with the embodiments.
[0023] This embodiment includes
[0024] (1) Initial module, namely the initial interface;
[0025] (2) Encryption point selection module, used to select the point where the watermark is embedded. The user selects the initial value of the hyperchaotic system as the personal private key, encrypts the watermark embedding point according to the hyperchaotic encryption algorithm, forms an encrypted point sequence, and saves the encrypted point sequence;
[0026] (3) The watermark embedding module is used to embed the personal watermark selected by the user into the image to be encrypted selected by the user;
[0027] (4) The watermark verification module is used to verify the copyright ownership according to the encryption point sequence and personal private key submitted by the user when a dispute occurs.
[0028] In the process of embedding the personal watermark selected by the user ...
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