Method of and apparatus for extracting watermark from repeatedly watermarked data

A method of extracting a watermark from watermarked data includes extracting a plurality of watermarks from the watermarked original data, calculating reliability of each of the extracted watermarks, and determining a final watermark based on the calculated reliability of each of the extracted water...

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1. Verfasser:	OH SANG-HEUN
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HANDLING RECORD CARRIERS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A method of extracting a watermark from watermarked data includes extracting a plurality of watermarks from the watermarked original data, calculating reliability of each of the extracted watermarks, and determining a final watermark based on the calculated reliability of each of the extracted watermarks.