发明名称 |
Apparatus for embedding and reproducing watermark into and from contents data |
摘要 |
An apparatus for embedding a watermark into contents data includes a parameter converting device for converting a parameter of first contents data to generate second contents data. A mixing device operates for embedding parameter information into the second contents data as watermark information. The parameter information represents a condition of the conversion of the parameter by the parameter converting device. The watermark information may include copyright information.
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申请公布号 |
US7961904(B2) |
申请公布日期 |
2011.06.14 |
申请号 |
US20060442222 |
申请日期 |
2006.05.30 |
申请人 |
VICTOR COMPANY OF JAPAN, LTD. |
发明人 |
SUGAHARA TAKAYUKI;NISHITANI MASAYOSHI |
分类号 |
G06K9/00;G06T1/00;H04N7/167 |
主分类号 |
G06K9/00 |
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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