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US 6,473,095 B1Granted
Histogram method for characterizing video content
AssigneeKoninklijke Philips Electronics N.V.
InventorsJacquelyn Annette Martino, Nevenka Dimitrova, Jan Hermanus Elenbaas, Job Rutgers
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Abstract
In order to characterize video content, key frames are identified in that content. The key frames are collapsed into histograms. The histograms are grouped into families. The families are each represented by a family histogram. The family histograms characterize the video content. The family histograms can be used to determine program boundaries or index the video content.
Claims10
A digital data processing method for characterizing video content, the method comprising executing the following operations in a digital processing device:
- a. extracting key frames from the video content, each respective key frame representing a respective scene in the video content;
- b. grouping at least some of the key frames into at least one family of key frames;
- c. establishing a respective family histogram for the family;
- d. embodying at least one such family histogram in a storage medium to yield a characterization of the video content, the storage medium being readable by the digital data processing device.
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