Detecting shot changes in a video
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United States of America Patent
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Jun 16, 2020
Grant Date -
Jan 11, 2018
app pub date -
Dec 14, 2016
filing date -
Jul 8, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
One embodiment of the present invention sets forth a technique for detecting a shot change in a video. The technique includes calculating a first plurality of difference values for pixel blocks included in a first video frame and a second video frame and calculating a first cumulative distribution function (CDF) based on the first plurality of difference values. The technique further includes calculating a second plurality of difference values for pixel blocks included in a first plurality of video frames that is contiguous with the first video frame and calculating a second CDF based on the second plurality of difference values. The technique further includes comparing the first CDF to the second CDF to detect a shot change.
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