发明授权
- 专利标题： Image processing apparatus and method, and storage medium
- 专利标题（中）： 图像处理装置和方法以及存储介质
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申请号： US09770668申请日： 2001-01-29
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公开(公告)号： US06801636B2公开(公告)日： 2004-10-05
- 发明人: Tomochika Murakami , Keiichi Iwamura , Yoshihiro Ishida , Hiromitsu Nishikawa
- 申请人： Tomochika Murakami , Keiichi Iwamura , Yoshihiro Ishida , Hiromitsu Nishikawa
- 优先权： JP2000-021559 20000131; JP2000-021563 20000131
- 主分类号： G06K900
- IPC分类号： G06K900
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.
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