发明名称 |
DATA PROCESSING APPARATUS AND METHOD AND STORAGE MEDIUM |
摘要 |
<p>It is an object of this invention to reliably pad electronic water-mark information even in a moving image constituted by a plurality of frames whose contents hardly change and easily pad electronic water-mark information even in a general moving image obtained by photographing an object at one angle. In order to achieve this object, there is provided an electronic water-mark information padding scheme of padding electronic water-mark information in only intraframe-encoded data without padding any electronic water-mark information in interframe-encoded data.</p> |
申请公布号 |
SG87017(A1) |
申请公布日期 |
2002.03.19 |
申请号 |
SG19990000155 |
申请日期 |
1999.01.25 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
JUN YOSHIDA;KENICHI NAGASAWA;KEICHI IWAMURA |
分类号 |
H04N19/50;G06T1/00;G09C5/00;H04N7/08;H04N7/081;H04N19/423;H04N19/467;H04N19/503;H04N19/51;H04N19/593;H04N19/61;H04N19/625;H04N19/70;H04N19/91;(IPC1-7):H04N7/32;H04N7/50;H04N7/48;H04N5/913 |
主分类号 |
H04N19/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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