发明公开
EP2410727A1 MARKER GENERATION PROGRAM, RESTORATION PROGRAM, MARKER GENERATION DEVICE, RESTORATION DEVICE, AND MARKER GENERATION METHOD
有权
MARK生产方案恢复程序打标发电装置，回收装置及标记的制造工艺
- 专利标题： MARKER GENERATION PROGRAM, RESTORATION PROGRAM, MARKER GENERATION DEVICE, RESTORATION DEVICE, AND MARKER GENERATION METHOD
- 专利标题（中）： MARK生产方案恢复程序打标发电装置，回收装置及标记的制造工艺
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申请号： EP09841883.3申请日： 2009-03-19
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公开(公告)号： EP2410727A1公开(公告)日： 2012-01-25
- 发明人: TAKAHASHI, Jun , NAKAGATA, Shohei , KURAKI, Kensuke , ANAN, Taizo
- 申请人： Fujitsu Limited
- 申请人地址： 1-1, Kamikodanaka 4-chome Nakahara-ku Kawasaki-shi, Kanagawa 211-8588 JP
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： 1-1, Kamikodanaka 4-chome Nakahara-ku Kawasaki-shi, Kanagawa 211-8588 JP
- 代理机构： HOFFMANN EITLE
- 国际公布： WO2010106678 20100923
- 主分类号： H04N1/387
- IPC分类号： H04N1/387 ; G06T1/00
摘要：
When creating a marker, an encryption apparatus extracts each pixel value in a region and allows a storing unit to save, as restoration information, the high-order bits of each extracted pixel value. Then, the encryption apparatus creates a marker by changing the high-order bits of the pixel value in a region in which the marker is created and embeds encrypted information in an encrypted region specified by the marker. When decoding the encrypted information, a decoding apparatus detects the marker from a digital image, decodes the encrypted information in the encrypted region specified by the maker, and overwrites bits contained in the restoration information with the high-order bits of the pixel value of the marker.
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