发明名称 Image processing apparatus and method, and storage medium
摘要 An image processing apparatus and method for deriving a digital watermark embedded in an image is provided which has a recognizing unit for recognizing a predetermined characteristic area in the image and a deriving unit for extracting the digital watermark from the image data in the recognized characteristic area.
申请公布号 US2001017709(A1) 申请公布日期 2001.08.30
申请号 US20010770668 申请日期 2001.01.29
申请人 MURAKAMI TOMOCHIKA;IWAMURA KEIICHI;ISHIDA YOSHIHIRO;NISHIKAWA HIROMITSU 发明人 MURAKAMI TOMOCHIKA;IWAMURA KEIICHI;ISHIDA YOSHIHIRO;NISHIKAWA HIROMITSU
分类号 G06T1/00;H04N1/00;H04N1/32;(IPC1-7):G06K1/00;G06F15/00 主分类号 G06T1/00
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