Patent AT-E401645-T1: [Translated] METHOD FOR EMBEDING A DIGITAL WATERMARK INTO A USEFUL SIGNAL
Method of embedding a digital watermark in a useful signal, wherein a watermark bit sequence is embedded into the frequency domain of the useful signal using adaptive frequency modulation of two given frequencies by tracking amplitudes of the chosen frequencies of the original signal and modifying them according to the current bit of watermark bit sequence.
Complete Metadata
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| description | Method of embedding a digital watermark in a useful signal, wherein a watermark bit sequence is embedded into the frequency domain of the useful signal using adaptive frequency modulation of two given frequencies by tracking amplitudes of the chosen frequencies of the original signal and modifying them according to the current bit of watermark bit sequence. |
| distribution |
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| identifier | https://healthdata.gov/api/views/ui8x-5f7k |
| issued | 2025-09-05 |
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| modified | 2025-09-06 |
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| theme |
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| title | Patent AT-E401645-T1: [Translated] METHOD FOR EMBEDING A DIGITAL WATERMARK INTO A USEFUL SIGNAL |
