Interactive video distribution systems – Use surveying or monitoring – By passively monitoring receiver operation
Reexamination Certificate
2002-07-01
2008-12-02
Kelley, Christopher (Department: 2623)
Interactive video distribution systems
Use surveying or monitoring
By passively monitoring receiver operation
C725S018000, C725S020000, C382S100000
Reexamination Certificate
active
07461392
ABSTRACT:
An “object extractor” automatically identifies and segments repeating media objects in a media stream. “Objects” are any section of non-negligible duration, i.e., a song, video, advertisement, jingle, etc., which would be considered to be a logical unit by a human listener or viewer. Identification and segmentation of repeating objects is achieved by directly comparing sections of the media stream to identify matching portions of the stream, then aligning the matching portions to identify object endpoints. Alternately, a suite of object dependent algorithms is employed to target particular aspects of the stream for identifying possible objects within the stream. Confirmation of possible objects as repeating objects is achieved by automatically searching for potentially matching objects in a dynamic object database, followed by a detailed comparison to one or more of the potentially matching objects. Object endpoints are then determined by automatic alignment and comparison to other copies of that object.
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Brown Reuben M
Kelley Christopher
Lyon & Harr LLP
Microsoft Corporation
Watson Mark A.
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