发明名称 |
IDENTIFICATION AND EVALUATION OF AUDIENCE EXPOSURE TO LOGOS IN A BROADCAST EVENT |
摘要 |
Method and system of detecting and analyzing the presence of a logo in one or more datastreams. In the method, at least one video datastream of an event is first received. Next, one or more regions of interest (ROIs) for the logo in one or more images comprising the at least one datastream are identified. The one or more ROIs are analyzed to detect if the logo is present in the ROI.
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申请公布号 |
WO03043311(A1) |
申请公布日期 |
2003.05.22 |
申请号 |
WO2002IB04399 |
申请日期 |
2002.10.22 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
COHEN-SOLAL, ERIC;PHILOMIN, VASANTH |
分类号 |
G06T7/20;G06K9/32;H04N5/222;(IPC1-7):H04N5/222 |
主分类号 |
G06T7/20 |
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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