发明名称 Embedding and detecting digital watermark in image
摘要 An apparatus for embedding digital watermark information in an image, includes an image divider dividing the image into a plurality of partial images; and an embedder embedding in each of the partial images a digital watermark which indicates the digital watermark information. The digital watermark includes a plurality of watermark elements arranged in a sequence which is different for each of the partial images.
申请公布号 US2005180594(A1) 申请公布日期 2005.08.18
申请号 US20040948564 申请日期 2004.09.24
申请人 ISOGAI TAICHI 发明人 ISOGAI TAICHI
分类号 G06T1/00;G06K9/00;H04N1/387;H04N7/08;H04N7/081;(IPC1-7):G06K9/00 主分类号 G06T1/00
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