Iterative, maximally probable, batch-mode commercial detection for audiovisual content
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United States of America Patent
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Jan 31, 2006
Grant Date -
N/A
app pub date -
Nov 18, 2000
filing date -
Nov 18, 1999
priority date (Note) -
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Abstract
Identification of starting and ending times of commercial breaks and commercials within those commercial breaks found in audiovisual content is disclosed. A solution to a 'batch optimization' problem is used in which commercial locations within a set of audiovisual content are detected as a group by choosing a set of commercial locations which optimizes a cost function which can include considerations of, for example, 1) one or more cues, 2) relative locations of commercials within the audiovisual content, and/or 3) probability models based on statistics obtained regarding characteristics of typical commercial and commercial breaks. Optimization can be done over the total set of commercial location decisions, rather than on a per-commercial basis. Additionally, the cost function can be iteratively evaluated and many more types of cues and combinations of cues can be used in detection of commercials.
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