发明名称 |
Associating metadata with media signals, and searching for media signals using metadata |
摘要 |
A method of associating metadata with a media signal receives an identifier for the media signal, uses the identifier to look up metadata in a metadata database, validates the metadata by checking attributes of the media signal relative to at least a portion of the metadata to provide validated metadata; and provides the validated metadata to a requesting application. Related methods enable searching of metadata across metadata databases, routing metadata requests to the metadata databases, controlling access to and validating metadata for media content, and re-associating valid metadata with media content. |
申请公布号 |
US8121342(B2) |
申请公布日期 |
2012.02.21 |
申请号 |
US20070739614 |
申请日期 |
2007.04.24 |
申请人 |
DAVIS BRUCE L.;RHOADS GEOFFREY B.;CONWELL WILLIAM Y.;DIGIMARC CORPORATION |
发明人 |
DAVIS BRUCE L.;RHOADS GEOFFREY B.;CONWELL WILLIAM Y. |
分类号 |
G06K9/00;G06T1/00;G10L19/00;H04N1/387;H04N5/91;H04N7/08;H04N7/081 |
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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