发明名称 Method and computer program for extracting an embedded message from a digital image
摘要 A method for improving the signal quality of a digital watermark utilizing measurements of signal and noise values of multiple digital watermark estimates is provided. In particular, each digital watermark estimate is weighted by a function of its signal to noise ratio and then summed to form an improved digital watermark.
申请公布号 US6567532(B1) 申请公布日期 2003.05.20
申请号 US19990453247 申请日期 1999.12.02
申请人 EASTMAN KODAK COMPANY 发明人 HONSINGER CHRIS W.
分类号 G06T1/00;(IPC1-7):G06K9/00 主分类号 G06T1/00
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