Description: Information that has a specific identity is hidden in digital image, video, audio and other multimedia. Is a kind of based on DCT transform and ARNOLD scrambling technology of digital image watermarking algorithm, first by ARNOLD scrambling binary watermark image of watermark image is encrypted, then will choose suitable strength, the encrypted image in the image embedded in select the location of the low frequency signal. Suitable for simple image copyright protection.
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watermark.m
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