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.
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
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